diff options
Diffstat (limited to 'fs/nfs')
-rw-r--r-- | fs/nfs/callback.h | 10 | ||||
-rw-r--r-- | fs/nfs/callback_proc.c | 6 | ||||
-rw-r--r-- | fs/nfs/callback_xdr.c | 106 | ||||
-rw-r--r-- | fs/nfs/client.c | 29 | ||||
-rw-r--r-- | fs/nfs/dir.c | 47 | ||||
-rw-r--r-- | fs/nfs/direct.c | 45 | ||||
-rw-r--r-- | fs/nfs/file.c | 42 | ||||
-rw-r--r-- | fs/nfs/getroot.c | 2 | ||||
-rw-r--r-- | fs/nfs/idmap.c | 2 | ||||
-rw-r--r-- | fs/nfs/inode.c | 44 | ||||
-rw-r--r-- | fs/nfs/internal.h | 24 | ||||
-rw-r--r-- | fs/nfs/mount_clnt.c | 6 | ||||
-rw-r--r-- | fs/nfs/namespace.c | 8 | ||||
-rw-r--r-- | fs/nfs/nfs2xdr.c | 78 | ||||
-rw-r--r-- | fs/nfs/nfs3proc.c | 56 | ||||
-rw-r--r-- | fs/nfs/nfs3xdr.c | 118 | ||||
-rw-r--r-- | fs/nfs/nfs4_fs.h | 4 | ||||
-rw-r--r-- | fs/nfs/nfs4proc.c | 115 | ||||
-rw-r--r-- | fs/nfs/nfs4renewd.c | 5 | ||||
-rw-r--r-- | fs/nfs/nfs4xdr.c | 360 | ||||
-rw-r--r-- | fs/nfs/nfsroot.c | 13 | ||||
-rw-r--r-- | fs/nfs/pagelist.c | 71 | ||||
-rw-r--r-- | fs/nfs/proc.c | 33 | ||||
-rw-r--r-- | fs/nfs/read.c | 183 | ||||
-rw-r--r-- | fs/nfs/super.c | 2 | ||||
-rw-r--r-- | fs/nfs/symlink.c | 2 | ||||
-rw-r--r-- | fs/nfs/sysctl.c | 5 | ||||
-rw-r--r-- | fs/nfs/write.c | 616 |
28 files changed, 962 insertions, 1070 deletions
diff --git a/fs/nfs/callback.h b/fs/nfs/callback.h index 5676163d26e8..db3d7919c601 100644 --- a/fs/nfs/callback.h +++ b/fs/nfs/callback.h @@ -31,10 +31,10 @@ struct cb_compound_hdr_arg { }; struct cb_compound_hdr_res { - uint32_t *status; + __be32 *status; int taglen; const char *tag; - uint32_t *nops; + __be32 *nops; }; struct cb_getattrargs { @@ -44,7 +44,7 @@ struct cb_getattrargs { }; struct cb_getattrres { - uint32_t status; + __be32 status; uint32_t bitmap[2]; uint64_t size; uint64_t change_attr; @@ -59,8 +59,8 @@ struct cb_recallargs { uint32_t truncate; }; -extern unsigned nfs4_callback_getattr(struct cb_getattrargs *args, struct cb_getattrres *res); -extern unsigned nfs4_callback_recall(struct cb_recallargs *args, void *dummy); +extern __be32 nfs4_callback_getattr(struct cb_getattrargs *args, struct cb_getattrres *res); +extern __be32 nfs4_callback_recall(struct cb_recallargs *args, void *dummy); #ifdef CONFIG_NFS_V4 extern int nfs_callback_up(void); diff --git a/fs/nfs/callback_proc.c b/fs/nfs/callback_proc.c index 97cf8f71451f..72e55d83756d 100644 --- a/fs/nfs/callback_proc.c +++ b/fs/nfs/callback_proc.c @@ -14,7 +14,7 @@ #define NFSDBG_FACILITY NFSDBG_CALLBACK -unsigned nfs4_callback_getattr(struct cb_getattrargs *args, struct cb_getattrres *res) +__be32 nfs4_callback_getattr(struct cb_getattrargs *args, struct cb_getattrres *res) { struct nfs_client *clp; struct nfs_delegation *delegation; @@ -55,11 +55,11 @@ out: return res->status; } -unsigned nfs4_callback_recall(struct cb_recallargs *args, void *dummy) +__be32 nfs4_callback_recall(struct cb_recallargs *args, void *dummy) { struct nfs_client *clp; struct inode *inode; - unsigned res; + __be32 res; res = htonl(NFS4ERR_BADHANDLE); clp = nfs_find_client(args->addr, 4); diff --git a/fs/nfs/callback_xdr.c b/fs/nfs/callback_xdr.c index 29f932192054..f8ea1f51f590 100644 --- a/fs/nfs/callback_xdr.c +++ b/fs/nfs/callback_xdr.c @@ -22,9 +22,9 @@ #define NFSDBG_FACILITY NFSDBG_CALLBACK -typedef unsigned (*callback_process_op_t)(void *, void *); -typedef unsigned (*callback_decode_arg_t)(struct svc_rqst *, struct xdr_stream *, void *); -typedef unsigned (*callback_encode_res_t)(struct svc_rqst *, struct xdr_stream *, void *); +typedef __be32 (*callback_process_op_t)(void *, void *); +typedef __be32 (*callback_decode_arg_t)(struct svc_rqst *, struct xdr_stream *, void *); +typedef __be32 (*callback_encode_res_t)(struct svc_rqst *, struct xdr_stream *, void *); struct callback_op { @@ -36,24 +36,24 @@ struct callback_op { static struct callback_op callback_ops[]; -static int nfs4_callback_null(struct svc_rqst *rqstp, void *argp, void *resp) +static __be32 nfs4_callback_null(struct svc_rqst *rqstp, void *argp, void *resp) { return htonl(NFS4_OK); } -static int nfs4_decode_void(struct svc_rqst *rqstp, uint32_t *p, void *dummy) +static int nfs4_decode_void(struct svc_rqst *rqstp, __be32 *p, void *dummy) { return xdr_argsize_check(rqstp, p); } -static int nfs4_encode_void(struct svc_rqst *rqstp, uint32_t *p, void *dummy) +static int nfs4_encode_void(struct svc_rqst *rqstp, __be32 *p, void *dummy) { return xdr_ressize_check(rqstp, p); } -static uint32_t *read_buf(struct xdr_stream *xdr, int nbytes) +static __be32 *read_buf(struct xdr_stream *xdr, int nbytes) { - uint32_t *p; + __be32 *p; p = xdr_inline_decode(xdr, nbytes); if (unlikely(p == NULL)) @@ -61,9 +61,9 @@ static uint32_t *read_buf(struct xdr_stream *xdr, int nbytes) return p; } -static unsigned decode_string(struct xdr_stream *xdr, unsigned int *len, const char **str) +static __be32 decode_string(struct xdr_stream *xdr, unsigned int *len, const char **str) { - uint32_t *p; + __be32 *p; p = read_buf(xdr, 4); if (unlikely(p == NULL)) @@ -81,9 +81,9 @@ static unsigned decode_string(struct xdr_stream *xdr, unsigned int *len, const c return 0; } -static unsigned decode_fh(struct xdr_stream *xdr, struct nfs_fh *fh) +static __be32 decode_fh(struct xdr_stream *xdr, struct nfs_fh *fh) { - uint32_t *p; + __be32 *p; p = read_buf(xdr, 4); if (unlikely(p == NULL)) @@ -99,9 +99,9 @@ static unsigned decode_fh(struct xdr_stream *xdr, struct nfs_fh *fh) return 0; } -static unsigned decode_bitmap(struct xdr_stream *xdr, uint32_t *bitmap) +static __be32 decode_bitmap(struct xdr_stream *xdr, uint32_t *bitmap) { - uint32_t *p; + __be32 *p; unsigned int attrlen; p = read_buf(xdr, 4); @@ -118,9 +118,9 @@ static unsigned decode_bitmap(struct xdr_stream *xdr, uint32_t *bitmap) return 0; } -static unsigned decode_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) +static __be32 decode_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) { - uint32_t *p; + __be32 *p; p = read_buf(xdr, 16); if (unlikely(p == NULL)) @@ -129,11 +129,11 @@ static unsigned decode_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) return 0; } -static unsigned decode_compound_hdr_arg(struct xdr_stream *xdr, struct cb_compound_hdr_arg *hdr) +static __be32 decode_compound_hdr_arg(struct xdr_stream *xdr, struct cb_compound_hdr_arg *hdr) { - uint32_t *p; + __be32 *p; unsigned int minor_version; - unsigned status; + __be32 status; status = decode_string(xdr, &hdr->taglen, &hdr->tag); if (unlikely(status != 0)) @@ -159,9 +159,9 @@ static unsigned decode_compound_hdr_arg(struct xdr_stream *xdr, struct cb_compou return 0; } -static unsigned decode_op_hdr(struct xdr_stream *xdr, unsigned int *op) +static __be32 decode_op_hdr(struct xdr_stream *xdr, unsigned int *op) { - uint32_t *p; + __be32 *p; p = read_buf(xdr, 4); if (unlikely(p == NULL)) return htonl(NFS4ERR_RESOURCE); @@ -169,9 +169,9 @@ static unsigned decode_op_hdr(struct xdr_stream *xdr, unsigned int *op) return 0; } -static unsigned decode_getattr_args(struct svc_rqst *rqstp, struct xdr_stream *xdr, struct cb_getattrargs *args) +static __be32 decode_getattr_args(struct svc_rqst *rqstp, struct xdr_stream *xdr, struct cb_getattrargs *args) { - unsigned status; + __be32 status; status = decode_fh(xdr, &args->fh); if (unlikely(status != 0)) @@ -183,10 +183,10 @@ out: return status; } -static unsigned decode_recall_args(struct svc_rqst *rqstp, struct xdr_stream *xdr, struct cb_recallargs *args) +static __be32 decode_recall_args(struct svc_rqst *rqstp, struct xdr_stream *xdr, struct cb_recallargs *args) { - uint32_t *p; - unsigned status; + __be32 *p; + __be32 status; args->addr = &rqstp->rq_addr; status = decode_stateid(xdr, &args->stateid); @@ -204,9 +204,9 @@ out: return status; } -static unsigned encode_string(struct xdr_stream *xdr, unsigned int len, const char *str) +static __be32 encode_string(struct xdr_stream *xdr, unsigned int len, const char *str) { - uint32_t *p; + __be32 *p; p = xdr_reserve_space(xdr, 4 + len); if (unlikely(p == NULL)) @@ -217,10 +217,10 @@ static unsigned encode_string(struct xdr_stream *xdr, unsigned int len, const ch #define CB_SUPPORTED_ATTR0 (FATTR4_WORD0_CHANGE|FATTR4_WORD0_SIZE) #define CB_SUPPORTED_ATTR1 (FATTR4_WORD1_TIME_METADATA|FATTR4_WORD1_TIME_MODIFY) -static unsigned encode_attr_bitmap(struct xdr_stream *xdr, const uint32_t *bitmap, uint32_t **savep) +static __be32 encode_attr_bitmap(struct xdr_stream *xdr, const uint32_t *bitmap, __be32 **savep) { - uint32_t bm[2]; - uint32_t *p; + __be32 bm[2]; + __be32 *p; bm[0] = htonl(bitmap[0] & CB_SUPPORTED_ATTR0); bm[1] = htonl(bitmap[1] & CB_SUPPORTED_ATTR1); @@ -247,9 +247,9 @@ static unsigned encode_attr_bitmap(struct xdr_stream *xdr, const uint32_t *bitma return 0; } -static unsigned encode_attr_change(struct xdr_stream *xdr, const uint32_t *bitmap, uint64_t change) +static __be32 encode_attr_change(struct xdr_stream *xdr, const uint32_t *bitmap, uint64_t change) { - uint32_t *p; + __be32 *p; if (!(bitmap[0] & FATTR4_WORD0_CHANGE)) return 0; @@ -260,9 +260,9 @@ static unsigned encode_attr_change(struct xdr_stream *xdr, const uint32_t *bitma return 0; } -static unsigned encode_attr_size(struct xdr_stream *xdr, const uint32_t *bitmap, uint64_t size) +static __be32 encode_attr_size(struct xdr_stream *xdr, const uint32_t *bitmap, uint64_t size) { - uint32_t *p; + __be32 *p; if (!(bitmap[0] & FATTR4_WORD0_SIZE)) return 0; @@ -273,9 +273,9 @@ static unsigned encode_attr_size(struct xdr_stream *xdr, const uint32_t *bitmap, return 0; } -static unsigned encode_attr_time(struct xdr_stream *xdr, const struct timespec *time) +static __be32 encode_attr_time(struct xdr_stream *xdr, const struct timespec *time) { - uint32_t *p; + __be32 *p; p = xdr_reserve_space(xdr, 12); if (unlikely(p == 0)) @@ -285,23 +285,23 @@ static unsigned encode_attr_time(struct xdr_stream *xdr, const struct timespec * return 0; } -static unsigned encode_attr_ctime(struct xdr_stream *xdr, const uint32_t *bitmap, const struct timespec *time) +static __be32 encode_attr_ctime(struct xdr_stream *xdr, const uint32_t *bitmap, const struct timespec *time) { if (!(bitmap[1] & FATTR4_WORD1_TIME_METADATA)) return 0; return encode_attr_time(xdr,time); } -static unsigned encode_attr_mtime(struct xdr_stream *xdr, const uint32_t *bitmap, const struct timespec *time) +static __be32 encode_attr_mtime(struct xdr_stream *xdr, const uint32_t *bitmap, const struct timespec *time) { if (!(bitmap[1] & FATTR4_WORD1_TIME_MODIFY)) return 0; return encode_attr_time(xdr,time); } -static unsigned encode_compound_hdr_res(struct xdr_stream *xdr, struct cb_compound_hdr_res *hdr) +static __be32 encode_compound_hdr_res(struct xdr_stream *xdr, struct cb_compound_hdr_res *hdr) { - unsigned status; + __be32 status; hdr->status = xdr_reserve_space(xdr, 4); if (unlikely(hdr->status == NULL)) @@ -315,9 +315,9 @@ static unsigned encode_compound_hdr_res(struct xdr_stream *xdr, struct cb_compou return 0; } -static unsigned encode_op_hdr(struct xdr_stream *xdr, uint32_t op, uint32_t res) +static __be32 encode_op_hdr(struct xdr_stream *xdr, uint32_t op, __be32 res) { - uint32_t *p; + __be32 *p; p = xdr_reserve_space(xdr, 8); if (unlikely(p == NULL)) @@ -327,10 +327,10 @@ static unsigned encode_op_hdr(struct xdr_stream *xdr, uint32_t op, uint32_t res) return 0; } -static unsigned encode_getattr_res(struct svc_rqst *rqstp, struct xdr_stream *xdr, const struct cb_getattrres *res) +static __be32 encode_getattr_res(struct svc_rqst *rqstp, struct xdr_stream *xdr, const struct cb_getattrres *res) { - uint32_t *savep = NULL; - unsigned status = res->status; + __be32 *savep = NULL; + __be32 status = res->status; if (unlikely(status != 0)) goto out; @@ -353,15 +353,15 @@ out: return status; } -static unsigned process_op(struct svc_rqst *rqstp, +static __be32 process_op(struct svc_rqst *rqstp, struct xdr_stream *xdr_in, void *argp, struct xdr_stream *xdr_out, void *resp) { struct callback_op *op = &callback_ops[0]; unsigned int op_nr = OP_CB_ILLEGAL; - unsigned int status = 0; + __be32 status = 0; long maxlen; - unsigned res; + __be32 res; dprintk("%s: start\n", __FUNCTION__); status = decode_op_hdr(xdr_in, &op_nr); @@ -399,20 +399,20 @@ static unsigned process_op(struct svc_rqst *rqstp, /* * Decode, process and encode a COMPOUND */ -static int nfs4_callback_compound(struct svc_rqst *rqstp, void *argp, void *resp) +static __be32 nfs4_callback_compound(struct svc_rqst *rqstp, void *argp, void *resp) { struct cb_compound_hdr_arg hdr_arg; struct cb_compound_hdr_res hdr_res; struct xdr_stream xdr_in, xdr_out; - uint32_t *p; - unsigned int status; + __be32 *p; + __be32 status; unsigned int nops = 1; dprintk("%s: start\n", __FUNCTION__); xdr_init_decode(&xdr_in, &rqstp->rq_arg, rqstp->rq_arg.head[0].iov_base); - p = (uint32_t*)((char *)rqstp->rq_res.head[0].iov_base + rqstp->rq_res.head[0].iov_len); + p = (__be32*)((char *)rqstp->rq_res.head[0].iov_base + rqstp->rq_res.head[0].iov_len); xdr_init_encode(&xdr_out, &rqstp->rq_res, p); decode_compound_hdr_arg(&xdr_in, &hdr_arg); diff --git a/fs/nfs/client.c b/fs/nfs/client.c index 34c3996bd0f5..23ab145daa2d 100644 --- a/fs/nfs/client.c +++ b/fs/nfs/client.c @@ -143,7 +143,7 @@ static struct nfs_client *nfs_alloc_client(const char *hostname, INIT_LIST_HEAD(&clp->cl_state_owners); INIT_LIST_HEAD(&clp->cl_unused); spin_lock_init(&clp->cl_lock); - INIT_WORK(&clp->cl_renewd, nfs4_renew_state, clp); + INIT_DELAYED_WORK(&clp->cl_renewd, nfs4_renew_state); rpc_init_wait_queue(&clp->cl_rpcwaitq, "NFS client"); clp->cl_boot_time = CURRENT_TIME; clp->cl_state = 1 << NFS4CLNT_LEASE_EXPIRED; @@ -232,11 +232,15 @@ void nfs_put_client(struct nfs_client *clp) * Find a client by address * - caller must hold nfs_client_lock */ -static struct nfs_client *__nfs_find_client(const struct sockaddr_in *addr, int nfsversion) +static struct nfs_client *__nfs_find_client(const struct sockaddr_in *addr, int nfsversion, int match_port) { struct nfs_client *clp; list_for_each_entry(clp, &nfs_client_list, cl_share_link) { + /* Don't match clients that failed to initialise properly */ + if (clp->cl_cons_state < 0) + continue; + /* Different NFS versions cannot share the same nfs_client */ if (clp->cl_nfsversion != nfsversion) continue; @@ -245,7 +249,7 @@ static struct nfs_client *__nfs_find_client(const struct sockaddr_in *addr, int sizeof(clp->cl_addr.sin_addr)) != 0) continue; - if (clp->cl_addr.sin_port == addr->sin_port) + if (!match_port || clp->cl_addr.sin_port == addr->sin_port) goto found; } @@ -265,11 +269,12 @@ struct nfs_client *nfs_find_client(const struct sockaddr_in *addr, int nfsversio struct nfs_client *clp; spin_lock(&nfs_client_lock); - clp = __nfs_find_client(addr, nfsversion); + clp = __nfs_find_client(addr, nfsversion, 0); spin_unlock(&nfs_client_lock); - - BUG_ON(clp && clp->cl_cons_state == 0); - + if (clp != NULL && clp->cl_cons_state != NFS_CS_READY) { + nfs_put_client(clp); + clp = NULL; + } return clp; } @@ -292,7 +297,7 @@ static struct nfs_client *nfs_get_client(const char *hostname, do { spin_lock(&nfs_client_lock); - clp = __nfs_find_client(addr, nfsversion); + clp = __nfs_find_client(addr, nfsversion, 1); if (clp) goto found_client; if (new) @@ -849,6 +854,7 @@ error: */ static int nfs4_init_client(struct nfs_client *clp, int proto, int timeo, int retrans, + const char *ip_addr, rpc_authflavor_t authflavour) { int error; @@ -865,6 +871,7 @@ static int nfs4_init_client(struct nfs_client *clp, error = nfs_create_rpc_client(clp, proto, timeo, retrans, authflavour); if (error < 0) goto error; + memcpy(clp->cl_ipaddr, ip_addr, sizeof(clp->cl_ipaddr)); error = nfs_idmap_new(clp); if (error < 0) { @@ -888,6 +895,7 @@ error: */ static int nfs4_set_client(struct nfs_server *server, const char *hostname, const struct sockaddr_in *addr, + const char *ip_addr, rpc_authflavor_t authflavour, int proto, int timeo, int retrans) { @@ -902,7 +910,7 @@ static int nfs4_set_client(struct nfs_server *server, error = PTR_ERR(clp); goto error; } - error = nfs4_init_client(clp, proto, timeo, retrans, authflavour); + error = nfs4_init_client(clp, proto, timeo, retrans, ip_addr, authflavour); if (error < 0) goto error_put; @@ -971,7 +979,7 @@ struct nfs_server *nfs4_create_server(const struct nfs4_mount_data *data, return ERR_PTR(-ENOMEM); /* Get a client record */ - error = nfs4_set_client(server, hostname, addr, authflavour, + error = nfs4_set_client(server, hostname, addr, ip_addr, authflavour, data->proto, data->timeo, data->retrans); if (error < 0) goto error; @@ -1041,6 +1049,7 @@ struct nfs_server *nfs4_create_referral_server(struct nfs_clone_mount *data, /* Get a client representation. * Note: NFSv4 always uses TCP, */ error = nfs4_set_client(server, data->hostname, data->addr, + parent_client->cl_ipaddr, data->authflavor, parent_server->client->cl_xprt->prot, parent_client->retrans_timeo, diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c index 481f8892a919..dee3d6c0f194 100644 --- a/fs/nfs/dir.c +++ b/fs/nfs/dir.c @@ -142,12 +142,12 @@ nfs_opendir(struct inode *inode, struct file *filp) return res; } -typedef u32 * (*decode_dirent_t)(u32 *, struct nfs_entry *, int); +typedef __be32 * (*decode_dirent_t)(__be32 *, struct nfs_entry *, int); typedef struct { struct file *file; struct page *page; unsigned long page_index; - u32 *ptr; + __be32 *ptr; u64 *dir_cookie; loff_t current_index; struct nfs_entry *entry; @@ -172,7 +172,7 @@ static int nfs_readdir_filler(nfs_readdir_descriptor_t *desc, struct page *page) { struct file *file = desc->file; - struct inode *inode = file->f_dentry->d_inode; + struct inode *inode = file->f_path.dentry->d_inode; struct rpc_cred *cred = nfs_file_cred(file); unsigned long timestamp; int error; @@ -183,7 +183,7 @@ int nfs_readdir_filler(nfs_readdir_descriptor_t *desc, struct page *page) again: timestamp = jiffies; - error = NFS_PROTO(inode)->readdir(file->f_dentry, cred, desc->entry->cookie, page, + error = NFS_PROTO(inode)->readdir(file->f_path.dentry, cred, desc->entry->cookie, page, NFS_SERVER(inode)->dtsize, desc->plus); if (error < 0) { /* We requested READDIRPLUS, but the server doesn't grok it */ @@ -203,8 +203,10 @@ int nfs_readdir_filler(nfs_readdir_descriptor_t *desc, struct page *page) * Note: assumes we have exclusive access to this mapping either * through inode->i_mutex or some other mechanism. */ - if (page->index == 0) - invalidate_inode_pages2_range(inode->i_mapping, PAGE_CACHE_SIZE, -1); + if (page->index == 0 && invalidate_inode_pages2_range(inode->i_mapping, PAGE_CACHE_SIZE, -1) < 0) { + /* Should never happen */ + nfs_zap_mapping(inode, inode->i_mapping); + } unlock_page(page); return 0; error: @@ -218,7 +220,7 @@ int nfs_readdir_filler(nfs_readdir_descriptor_t *desc, struct page *page) static inline int dir_decode(nfs_readdir_descriptor_t *desc) { - u32 *p = desc->ptr; + __be32 *p = desc->ptr; p = desc->decode(p, desc->entry, desc->plus); if (IS_ERR(p)) return PTR_ERR(p); @@ -306,7 +308,7 @@ int find_dirent_index(nfs_readdir_descriptor_t *desc) static inline int find_dirent_page(nfs_readdir_descriptor_t *desc) { - struct inode *inode = desc->file->f_dentry->d_inode; + struct inode *inode = desc->file->f_path.dentry->d_inode; struct page *page; int status; @@ -462,7 +464,7 @@ int uncached_readdir(nfs_readdir_descriptor_t *desc, void *dirent, filldir_t filldir) { struct file *file = desc->file; - struct inode *inode = file->f_dentry->d_inode; + struct inode *inode = file->f_path.dentry->d_inode; struct rpc_cred *cred = nfs_file_cred(file); struct page *page = NULL; int status; @@ -475,7 +477,7 @@ int uncached_readdir(nfs_readdir_descriptor_t *desc, void *dirent, status = -ENOMEM; goto out; } - desc->error = NFS_PROTO(inode)->readdir(file->f_dentry, cred, *desc->dir_cookie, + desc->error = NFS_PROTO(inode)->readdir(file->f_path.dentry, cred, *desc->dir_cookie, page, NFS_SERVER(inode)->dtsize, desc->plus); @@ -514,7 +516,7 @@ int uncached_readdir(nfs_readdir_descriptor_t *desc, void *dirent, */ static int nfs_readdir(struct file *filp, void *dirent, filldir_t filldir) { - struct dentry *dentry = filp->f_dentry; + struct dentry *dentry = filp->f_path.dentry; struct inode *inode = dentry->d_inode; nfs_readdir_descriptor_t my_desc, *desc = &my_desc; @@ -597,7 +599,7 @@ static int nfs_readdir(struct file *filp, void *dirent, filldir_t filldir) loff_t nfs_llseek_dir(struct file *filp, loff_t offset, int origin) { - mutex_lock(&filp->f_dentry->d_inode->i_mutex); + mutex_lock(&filp->f_path.dentry->d_inode->i_mutex); switch (origin) { case 1: offset += filp->f_pos; @@ -613,7 +615,7 @@ loff_t nfs_llseek_dir(struct file *filp, loff_t offset, int origin) ((struct nfs_open_context *)filp->private_data)->dir_cookie = 0; } out: - mutex_unlock(&filp->f_dentry->d_inode->i_mutex); + mutex_unlock(&filp->f_path.dentry->d_inode->i_mutex); return offset; } @@ -933,8 +935,17 @@ static struct dentry *nfs_lookup(struct inode *dir, struct dentry * dentry, stru no_entry: res = d_materialise_unique(dentry, inode); - if (res != NULL) + if (res != NULL) { + struct dentry *parent; + if (IS_ERR(res)) + goto out_unlock; + /* Was a directory renamed! */ + parent = dget_parent(res); + if (!IS_ROOT(parent)) + nfs_mark_for_revalidate(parent->d_inode); + dput(parent); dentry = res; + } nfs_renew_times(dentry); nfs_set_verifier(dentry, nfs_save_change_attribute(dir)); out_unlock: @@ -1091,7 +1102,7 @@ no_open: static struct dentry *nfs_readdir_lookup(nfs_readdir_descriptor_t *desc) { - struct dentry *parent = desc->file->f_dentry; + struct dentry *parent = desc->file->f_path.dentry; struct inode *dir = parent->d_inode; struct nfs_entry *entry = desc->entry; struct dentry *dentry, *alias; @@ -1130,6 +1141,8 @@ static struct dentry *nfs_readdir_lookup(nfs_readdir_descriptor_t *desc) alias = d_materialise_unique(dentry, inode); if (alias != NULL) { dput(dentry); + if (IS_ERR(alias)) + return NULL; dentry = alias; } @@ -1517,8 +1530,8 @@ static int nfs_symlink(struct inode *dir, struct dentry *dentry, const char *sym pagevec_init(&lru_pvec, 0); if (!add_to_page_cache(page, dentry->d_inode->i_mapping, 0, GFP_KERNEL)) { - if (!pagevec_add(&lru_pvec, page)) - __pagevec_lru_add(&lru_pvec); + pagevec_add(&lru_pvec, page); + pagevec_lru_add(&lru_pvec); SetPageUptodate(page); unlock_page(page); } else diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c index 9f7f8b9ea1e2..bd21d7fde650 100644 --- a/fs/nfs/direct.c +++ b/fs/nfs/direct.c @@ -58,7 +58,7 @@ #define NFSDBG_FACILITY NFSDBG_VFS -static kmem_cache_t *nfs_direct_cachep; +static struct kmem_cache *nfs_direct_cachep; /* * This represents a set of asynchronous requests that we're waiting on @@ -116,7 +116,7 @@ static inline int put_dreq(struct nfs_direct_req *dreq) ssize_t nfs_direct_IO(int rw, struct kiocb *iocb, const struct iovec *iov, loff_t pos, unsigned long nr_segs) { dprintk("NFS: nfs_direct_IO (%s) off/no(%Ld/%lu) EINVAL\n", - iocb->ki_filp->f_dentry->d_name.name, + iocb->ki_filp->f_path.dentry->d_name.name, (long long) pos, nr_segs); return -EINVAL; @@ -143,7 +143,7 @@ static inline struct nfs_direct_req *nfs_direct_req_alloc(void) { struct nfs_direct_req *dreq; - dreq = kmem_cache_alloc(nfs_direct_cachep, SLAB_KERNEL); + dreq = kmem_cache_alloc(nfs_direct_cachep, GFP_KERNEL); if (!dreq) return NULL; @@ -307,9 +307,7 @@ static ssize_t nfs_direct_read_schedule(struct nfs_direct_req *dreq, unsigned lo data->task.tk_cookie = (unsigned long) inode; - lock_kernel(); rpc_execute(&data->task); - unlock_kernel(); dfprintk(VFS, "NFS: %5u initiated direct read call (req %s/%Ld, %zu bytes @ offset %Lu)\n", data->task.tk_pid, @@ -475,9 +473,7 @@ static void nfs_direct_commit_schedule(struct nfs_direct_req *dreq) dprintk("NFS: %5u initiated commit call\n", data->task.tk_pid); - lock_kernel(); rpc_execute(&data->task); - unlock_kernel(); } static void nfs_direct_write_complete(struct nfs_direct_req *dreq, struct inode *inode) @@ -497,6 +493,7 @@ static void nfs_direct_write_complete(struct nfs_direct_req *dreq, struct inode if (dreq->commit_data != NULL) nfs_commit_free(dreq->commit_data); nfs_direct_free_writedata(dreq); + nfs_zap_mapping(inode, inode->i_mapping); nfs_direct_complete(dreq); } } @@ -517,6 +514,7 @@ static void nfs_direct_write_complete(struct nfs_direct_req *dreq, struct inode { nfs_end_data_update(inode); nfs_direct_free_writedata(dreq); + nfs_zap_mapping(inode, inode->i_mapping); nfs_direct_complete(dreq); } #endif @@ -532,10 +530,12 @@ static void nfs_direct_write_result(struct rpc_task *task, void *calldata) spin_lock(&dreq->lock); - if (likely(status >= 0)) - dreq->count += data->res.count; - else - dreq->error = task->tk_status; + if (unlikely(status < 0)) { + dreq->error = status; + goto out_unlock; + } + + dreq->count += data->res.count; if (data->res.verf->committed != NFS_FILE_SYNC) { switch (dreq->flags) { @@ -550,7 +550,7 @@ static void nfs_direct_write_result(struct rpc_task *task, void *calldata) } } } - +out_unlock: spin_unlock(&dreq->lock); } @@ -637,9 +637,7 @@ static ssize_t nfs_direct_write_schedule(struct nfs_direct_req *dreq, unsigned l data->task.tk_priority = RPC_PRIORITY_NORMAL; data->task.tk_cookie = (unsigned long) inode; - lock_kernel(); rpc_execute(&data->task); - unlock_kernel(); dfprintk(VFS, "NFS: %5u initiated direct write call (req %s/%Ld, %zu bytes @ offset %Lu)\n", data->task.tk_pid, @@ -736,8 +734,8 @@ ssize_t nfs_file_direct_read(struct kiocb *iocb, const struct iovec *iov, size_t count = iov[0].iov_len; dprintk("nfs: direct read(%s/%s, %lu@%Ld)\n", - file->f_dentry->d_parent->d_name.name, - file->f_dentry->d_name.name, + file->f_path.dentry->d_parent->d_name.name, + file->f_path.dentry->d_name.name, (unsigned long) count, (long long) pos); if (nr_segs != 1) @@ -800,8 +798,8 @@ ssize_t nfs_file_direct_write(struct kiocb *iocb, const struct iovec *iov, size_t count = iov[0].iov_len; dfprintk(VFS, "nfs: direct write(%s/%s, %lu@%Ld)\n", - file->f_dentry->d_parent->d_name.name, - file->f_dentry->d_name.name, + file->f_path.dentry->d_parent->d_name.name, + file->f_path.dentry->d_name.name, (unsigned long) count, (long long) pos); if (nr_segs != 1) @@ -828,17 +826,6 @@ ssize_t nfs_file_direct_write(struct kiocb *iocb, const struct iovec *iov, retval = nfs_direct_write(iocb, (unsigned long) buf, count, pos); - /* - * XXX: nfs_end_data_update() already ensures this file's - * cached data is subsequently invalidated. Do we really - * need to call invalidate_inode_pages2() again here? - * - * For aio writes, this invalidation will almost certainly - * occur before the writes complete. Kind of racey. - */ - if (mapping->nrpages) - invalidate_inode_pages2(mapping); - if (retval > 0) iocb->ki_pos = pos + retval; diff --git a/fs/nfs/file.c b/fs/nfs/file.c index cc93865cea93..0dd6be346aa7 100644 --- a/fs/nfs/file.c +++ b/fs/nfs/file.c @@ -176,7 +176,7 @@ static int nfs_file_flush(struct file *file, fl_owner_t id) { struct nfs_open_context *ctx = (struct nfs_open_context *)file->private_data; - struct inode *inode = file->f_dentry->d_inode; + struct inode *inode = file->f_path.dentry->d_inode; int status; dfprintk(VFS, "nfs: flush(%s/%ld)\n", inode->i_sb->s_id, inode->i_ino); @@ -201,7 +201,7 @@ static ssize_t nfs_file_read(struct kiocb *iocb, const struct iovec *iov, unsigned long nr_segs, loff_t pos) { - struct dentry * dentry = iocb->ki_filp->f_dentry; + struct dentry * dentry = iocb->ki_filp->f_path.dentry; struct inode * inode = dentry->d_inode; ssize_t result; size_t count = iov_length(iov, nr_segs); @@ -226,7 +226,7 @@ static ssize_t nfs_file_sendfile(struct file *filp, loff_t *ppos, size_t count, read_actor_t actor, void *target) { - struct dentry *dentry = filp->f_dentry; + struct dentry *dentry = filp->f_path.dentry; struct inode *inode = dentry->d_inode; ssize_t res; @@ -243,7 +243,7 @@ nfs_file_sendfile(struct file *filp, loff_t *ppos, size_t count, static int nfs_file_mmap(struct file * file, struct vm_area_struct * vma) { - struct dentry *dentry = file->f_dentry; + struct dentry *dentry = file->f_path.dentry; struct inode *inode = dentry->d_inode; int status; @@ -307,28 +307,28 @@ static int nfs_commit_write(struct file *file, struct page *page, unsigned offse static void nfs_invalidate_page(struct page *page, unsigned long offset) { - struct inode *inode = page->mapping->host; - + if (offset != 0) + return; /* Cancel any unstarted writes on this page */ - if (offset == 0) - nfs_sync_inode_wait(inode, page->index, 1, FLUSH_INVALIDATE); + nfs_wb_page_priority(page->mapping->host, page, FLUSH_INVALIDATE); } static int nfs_release_page(struct page *page, gfp_t gfp) { - if (gfp & __GFP_FS) - return !nfs_wb_page(page->mapping->host, page); - else - /* - * Avoid deadlock on nfs_wait_on_request(). - */ + /* + * Avoid deadlock on nfs_wait_on_request(). + */ + if (!(gfp & __GFP_FS)) return 0; + /* Hack... Force nfs_wb_page() to write out the page */ + SetPageDirty(page); + return !nfs_wb_page(page->mapping->host, page); } const struct address_space_operations nfs_file_aops = { .readpage = nfs_readpage, .readpages = nfs_readpages, - .set_page_dirty = __set_page_dirty_nobuffers, + .set_page_dirty = nfs_set_page_dirty, .writepage = nfs_writepage, .writepages = nfs_writepages, .prepare_write = nfs_prepare_write, @@ -343,7 +343,7 @@ const struct address_space_operations nfs_file_aops = { static ssize_t nfs_file_write(struct kiocb *iocb, const struct iovec *iov, unsigned long nr_segs, loff_t pos) { - struct dentry * dentry = iocb->ki_filp->f_dentry; + struct dentry * dentry = iocb->ki_filp->f_path.dentry; struct inode * inode = dentry->d_inode; ssize_t result; size_t count = iov_length(iov, nr_segs); @@ -375,6 +375,12 @@ static ssize_t nfs_file_write(struct kiocb *iocb, const struct iovec *iov, nfs_add_stats(inode, NFSIOS_NORMALWRITTENBYTES, count); result = generic_file_aio_write(iocb, iov, nr_segs, pos); + /* Return error values for O_SYNC and IS_SYNC() */ + if (result >= 0 && (IS_SYNC(inode) || (iocb->ki_filp->f_flags & O_SYNC))) { + int err = nfs_fsync(iocb->ki_filp, dentry, 1); + if (err < 0) + result = err; + } out: return result; @@ -529,8 +535,8 @@ static int nfs_lock(struct file *filp, int cmd, struct file_lock *fl) static int nfs_flock(struct file *filp, int cmd, struct file_lock *fl) { dprintk("NFS: nfs_flock(f=%s/%ld, t=%x, fl=%x)\n", - filp->f_dentry->d_inode->i_sb->s_id, - filp->f_dentry->d_inode->i_ino, + filp->f_path.dentry->d_inode->i_sb->s_id, + filp->f_path.dentry->d_inode->i_ino, fl->fl_type, fl->fl_flags); /* diff --git a/fs/nfs/getroot.c b/fs/nfs/getroot.c index 20c6f39ea38a..8391bd7a83ce 100644 --- a/fs/nfs/getroot.c +++ b/fs/nfs/getroot.c @@ -31,7 +31,7 @@ #include <linux/nfs_idmap.h> #include <linux/vfs.h> #include <linux/namei.h> -#include <linux/namespace.h> +#include <linux/mnt_namespace.h> #include <linux/security.h> #include <asm/system.h> diff --git a/fs/nfs/idmap.c b/fs/nfs/idmap.c index 82ad7110a1c0..9d4a6b2d1996 100644 --- a/fs/nfs/idmap.c +++ b/fs/nfs/idmap.c @@ -377,7 +377,7 @@ idmap_pipe_upcall(struct file *filp, struct rpc_pipe_msg *msg, static ssize_t idmap_pipe_downcall(struct file *filp, const char __user *src, size_t mlen) { - struct rpc_inode *rpci = RPC_I(filp->f_dentry->d_inode); + struct rpc_inode *rpci = RPC_I(filp->f_path.dentry->d_inode); struct idmap *idmap = (struct idmap *)rpci->private; struct idmap_msg im_in, *im = &idmap->idmap_im; struct idmap_hashtable *h; diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c index bc9376ca86cd..63e470279309 100644 --- a/fs/nfs/inode.c +++ b/fs/nfs/inode.c @@ -55,7 +55,7 @@ static int nfs_update_inode(struct inode *, struct nfs_fattr *); static void nfs_zap_acl_cache(struct inode *); -static kmem_cache_t * nfs_inode_cachep; +static struct kmem_cache * nfs_inode_cachep; static inline unsigned long nfs_fattr_to_ino_t(struct nfs_fattr *fattr) @@ -131,6 +131,15 @@ void nfs_zap_caches(struct inode *inode) spin_unlock(&inode->i_lock); } +void nfs_zap_mapping(struct inode *inode, struct address_space *mapping) +{ + if (mapping->nrpages != 0) { + spin_lock(&inode->i_lock); + NFS_I(inode)->cache_validity |= NFS_INO_INVALID_DATA; + spin_unlock(&inode->i_lock); + } +} + static void nfs_zap_acl_cache(struct inode *inode) { void (*clear_acl_cache)(struct inode *); @@ -413,7 +422,7 @@ int nfs_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat) int err; /* Flush out writes to the server in order to update c/mtime */ - nfs_sync_inode_wait(inode, 0, 0, FLUSH_NOCOMMIT); + nfs_sync_mapping_range(inode->i_mapping, 0, 0, FLUSH_NOCOMMIT); /* * We may force a getattr if the user cares about atime. @@ -487,7 +496,7 @@ void put_nfs_open_context(struct nfs_open_context *ctx) */ static void nfs_file_set_open_context(struct file *filp, struct nfs_open_context *ctx) { - struct inode *inode = filp->f_dentry->d_inode; + struct inode *inode = filp->f_path.dentry->d_inode; struct nfs_inode *nfsi = NFS_I(inode); filp->private_data = get_nfs_open_context(ctx); @@ -519,7 +528,7 @@ struct nfs_open_context *nfs_find_open_context(struct inode *inode, struct rpc_c static void nfs_file_clear_open_context(struct file *filp) { - struct inode *inode = filp->f_dentry->d_inode; + struct inode *inode = filp->f_path.dentry->d_inode; struct nfs_open_context *ctx = (struct nfs_open_context *)filp->private_data; if (ctx) { @@ -542,7 +551,7 @@ int nfs_open(struct inode *inode, struct file *filp) cred = rpcauth_lookupcred(NFS_CLIENT(inode)->cl_auth, 0); if (IS_ERR(cred)) return PTR_ERR(cred); - ctx = alloc_nfs_open_context(filp->f_vfsmnt, filp->f_dentry, cred); + ctx = alloc_nfs_open_context(filp->f_path.mnt, filp->f_path.dentry, cred); put_rpccred(cred); if (ctx == NULL) return -ENOMEM; @@ -574,7 +583,7 @@ __nfs_revalidate_inode(struct nfs_server *server, struct inode *inode) nfs_inc_stats(inode, NFSIOS_INODEREVALIDATE); lock_kernel(); - if (!inode || is_bad_inode(inode)) + if (is_bad_inode(inode)) goto out_nowait; if (NFS_STALE(inode)) goto out_nowait; @@ -671,13 +680,20 @@ int nfs_revalidate_mapping(struct inode *inode, struct address_space *mapping) if ((nfsi->cache_validity & NFS_INO_REVAL_PAGECACHE) || nfs_attribute_timeout(inode)) ret = __nfs_revalidate_inode(NFS_SERVER(inode), inode); + if (ret < 0) + goto out; if (nfsi->cache_validity & NFS_INO_INVALID_DATA) { - nfs_inc_stats(inode, NFSIOS_DATAINVALIDATE); - if (S_ISREG(inode->i_mode)) - nfs_sync_mapping(mapping); - invalidate_inode_pages2(mapping); - + if (mapping->nrpages != 0) { + if (S_ISREG(inode->i_mode)) { + ret = nfs_sync_mapping(mapping); + if (ret < 0) + goto out; + } + ret = invalidate_inode_pages2(mapping); + if (ret < 0) + goto out; + } spin_lock(&inode->i_lock); nfsi->cache_validity &= ~NFS_INO_INVALID_DATA; if (S_ISDIR(inode->i_mode)) { @@ -687,10 +703,12 @@ int nfs_revalidate_mapping(struct inode *inode, struct address_space *mapping) } spin_unlock(&inode->i_lock); + nfs_inc_stats(inode, NFSIOS_DATAINVALIDATE); dfprintk(PAGECACHE, "NFS: (%s/%Ld) data cache invalidated\n", inode->i_sb->s_id, (long long)NFS_FILEID(inode)); } +out: return ret; } @@ -1062,7 +1080,7 @@ void nfs4_clear_inode(struct inode *inode) struct inode *nfs_alloc_inode(struct super_block *sb) { struct nfs_inode *nfsi; - nfsi = (struct nfs_inode *)kmem_cache_alloc(nfs_inode_cachep, SLAB_KERNEL); + nfsi = (struct nfs_inode *)kmem_cache_alloc(nfs_inode_cachep, GFP_KERNEL); if (!nfsi) return NULL; nfsi->flags = 0UL; @@ -1093,7 +1111,7 @@ static inline void nfs4_init_once(struct nfs_inode *nfsi) #endif } -static void init_once(void * foo, kmem_cache_t * cachep, unsigned long flags) +static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flags) { struct nfs_inode *nfsi = (struct nfs_inode *) foo; diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h index bea0b016bd70..a28f6ce2e131 100644 --- a/fs/nfs/internal.h +++ b/fs/nfs/internal.h @@ -93,15 +93,15 @@ extern void nfs_destroy_directcache(void); /* nfs2xdr.c */ extern int nfs_stat_to_errno(int); extern struct rpc_procinfo nfs_procedures[]; -extern u32 * nfs_decode_dirent(u32 *, struct nfs_entry *, int); +extern __be32 * nfs_decode_dirent(__be32 *, struct nfs_entry *, int); /* nfs3xdr.c */ extern struct rpc_procinfo nfs3_procedures[]; -extern u32 *nfs3_decode_dirent(u32 *, struct nfs_entry *, int); +extern __be32 *nfs3_decode_dirent(__be32 *, struct nfs_entry *, int); /* nfs4xdr.c */ #ifdef CONFIG_NFS_V4 -extern u32 *nfs4_decode_dirent(u32 *p, struct nfs_entry *entry, int plus); +extern __be32 *nfs4_decode_dirent(__be32 *p, struct nfs_entry *entry, int plus); #endif /* nfs4proc.c */ @@ -217,3 +217,21 @@ void nfs_super_set_maxbytes(struct super_block *sb, __u64 maxfilesize) if (sb->s_maxbytes > MAX_LFS_FILESIZE || sb->s_maxbytes <= 0) sb->s_maxbytes = MAX_LFS_FILESIZE; } + +/* + * Determine the number of bytes of data the page contains + */ +static inline +unsigned int nfs_page_length(struct page *page) +{ + loff_t i_size = i_size_read(page->mapping->host); + + if (i_size > 0) { + pgoff_t end_index = (i_size - 1) >> PAGE_CACHE_SHIFT; + if (page->index < end_index) + return PAGE_CACHE_SIZE; + if (page->index == end_index) + return ((i_size - 1) & ~PAGE_CACHE_MASK) + 1; + } + return 0; +} diff --git a/fs/nfs/mount_clnt.c b/fs/nfs/mount_clnt.c index d507b021207f..f75fe72b4160 100644 --- a/fs/nfs/mount_clnt.c +++ b/fs/nfs/mount_clnt.c @@ -95,7 +95,7 @@ mnt_create(char *hostname, struct sockaddr_in *srvaddr, int version, * XDR encode/decode functions for MOUNT */ static int -xdr_encode_dirpath(struct rpc_rqst *req, u32 *p, const char *path) +xdr_encode_dirpath(struct rpc_rqst *req, __be32 *p, const char *path) { p = xdr_encode_string(p, path); @@ -104,7 +104,7 @@ xdr_encode_dirpath(struct rpc_rqst *req, u32 *p, const char *path) } static int -xdr_decode_fhstatus(struct rpc_rqst *req, u32 *p, struct mnt_fhstatus *res) +xdr_decode_fhstatus(struct rpc_rqst *req, __be32 *p, struct mnt_fhstatus *res) { struct nfs_fh *fh = res->fh; @@ -116,7 +116,7 @@ xdr_decode_fhstatus(struct rpc_rqst *req, u32 *p, struct mnt_fhstatus *res) } static int -xdr_decode_fhstatus3(struct rpc_rqst *req, u32 *p, struct mnt_fhstatus *res) +xdr_decode_fhstatus3(struct rpc_rqst *req, __be32 *p, struct mnt_fhstatus *res) { struct nfs_fh *fh = res->fh; diff --git a/fs/nfs/namespace.c b/fs/nfs/namespace.c index ec1114b33d89..371b804e7cc8 100644 --- a/fs/nfs/namespace.c +++ b/fs/nfs/namespace.c @@ -18,10 +18,10 @@ #define NFSDBG_FACILITY NFSDBG_VFS -static void nfs_expire_automounts(void *list); +static void nfs_expire_automounts(struct work_struct *work); LIST_HEAD(nfs_automount_list); -static DECLARE_WORK(nfs_automount_task, nfs_expire_automounts, &nfs_automount_list); +static DECLARE_DELAYED_WORK(nfs_automount_task, nfs_expire_automounts); int nfs_mountpoint_expiry_timeout = 500 * HZ; static struct vfsmount *nfs_do_submount(const struct vfsmount *mnt_parent, @@ -164,9 +164,9 @@ struct inode_operations nfs_referral_inode_operations = { .follow_link = nfs_follow_mountpoint, }; -static void nfs_expire_automounts(void *data) +static void nfs_expire_automounts(struct work_struct *work) { - struct list_head *list = (struct list_head *)data; + struct list_head *list = &nfs_automount_list; mark_mounts_for_expiry(list); if (!list_empty(list)) diff --git a/fs/nfs/nfs2xdr.c b/fs/nfs/nfs2xdr.c index b49501fc0a79..3be4e72a0227 100644 --- a/fs/nfs/nfs2xdr.c +++ b/fs/nfs/nfs2xdr.c @@ -66,15 +66,15 @@ /* * Common NFS XDR functions as inlines */ -static inline u32 * -xdr_encode_fhandle(u32 *p, struct nfs_fh *fhandle) +static inline __be32 * +xdr_encode_fhandle(__be32 *p, struct nfs_fh *fhandle) { memcpy(p, fhandle->data, NFS2_FHSIZE); return p + XDR_QUADLEN(NFS2_FHSIZE); } -static inline u32 * -xdr_decode_fhandle(u32 *p, struct nfs_fh *fhandle) +static inline __be32 * +xdr_decode_fhandle(__be32 *p, struct nfs_fh *fhandle) { /* NFSv2 handles have a fixed length */ fhandle->size = NFS2_FHSIZE; @@ -82,8 +82,8 @@ xdr_decode_fhandle(u32 *p, struct nfs_fh *fhandle) return p + XDR_QUADLEN(NFS2_FHSIZE); } -static inline u32* -xdr_encode_time(u32 *p, struct timespec *timep) +static inline __be32* +xdr_encode_time(__be32 *p, struct timespec *timep) { *p++ = htonl(timep->tv_sec); /* Convert nanoseconds into microseconds */ @@ -91,8 +91,8 @@ xdr_encode_time(u32 *p, struct timespec *timep) return p; } -static inline u32* -xdr_encode_current_server_time(u32 *p, struct timespec *timep) +static inline __be32* +xdr_encode_current_server_time(__be32 *p, struct timespec *timep) { /* * Passing the invalid value useconds=1000000 is a @@ -108,8 +108,8 @@ xdr_encode_current_server_time(u32 *p, struct timespec *timep) return p; } -static inline u32* -xdr_decode_time(u32 *p, struct timespec *timep) +static inline __be32* +xdr_decode_time(__be32 *p, struct timespec *timep) { timep->tv_sec = ntohl(*p++); /* Convert microseconds into nanoseconds */ @@ -117,8 +117,8 @@ xdr_decode_time(u32 *p, struct timespec *timep) return p; } -static u32 * -xdr_decode_fattr(u32 *p, struct nfs_fattr *fattr) +static __be32 * +xdr_decode_fattr(__be32 *p, struct nfs_fattr *fattr) { u32 rdev; fattr->type = (enum nfs_ftype) ntohl(*p++); @@ -146,10 +146,10 @@ xdr_decode_fattr(u32 *p, struct nfs_fattr *fattr) return p; } -static inline u32 * -xdr_encode_sattr(u32 *p, struct iattr *attr) +static inline __be32 * +xdr_encode_sattr(__be32 *p, struct iattr *attr) { - const u32 not_set = __constant_htonl(0xFFFFFFFF); + const __be32 not_set = __constant_htonl(0xFFFFFFFF); *p++ = (attr->ia_valid & ATTR_MODE) ? htonl(attr->ia_mode) : not_set; *p++ = (attr->ia_valid & ATTR_UID) ? htonl(attr->ia_uid) : not_set; @@ -184,7 +184,7 @@ xdr_encode_sattr(u32 *p, struct iattr *attr) * GETATTR, READLINK, STATFS */ static int -nfs_xdr_fhandle(struct rpc_rqst *req, u32 *p, struct nfs_fh *fh) +nfs_xdr_fhandle(struct rpc_rqst *req, __be32 *p, struct nfs_fh *fh) { p = xdr_encode_fhandle(p, fh); req->rq_slen = xdr_adjust_iovec(req->rq_svec, p); @@ -195,7 +195,7 @@ nfs_xdr_fhandle(struct rpc_rqst *req, u32 *p, struct nfs_fh *fh) * Encode SETATTR arguments */ static int -nfs_xdr_sattrargs(struct rpc_rqst *req, u32 *p, struct nfs_sattrargs *args) +nfs_xdr_sattrargs(struct rpc_rqst *req, __be32 *p, struct nfs_sattrargs *args) { p = xdr_encode_fhandle(p, args->fh); p = xdr_encode_sattr(p, args->sattr); @@ -208,7 +208,7 @@ nfs_xdr_sattrargs(struct rpc_rqst *req, u32 *p, struct nfs_sattrargs *args) * LOOKUP, REMOVE, RMDIR */ static int -nfs_xdr_diropargs(struct rpc_rqst *req, u32 *p, struct nfs_diropargs *args) +nfs_xdr_diropargs(struct rpc_rqst *req, __be32 *p, struct nfs_diropargs *args) { p = xdr_encode_fhandle(p, args->fh); p = xdr_encode_array(p, args->name, args->len); @@ -222,7 +222,7 @@ nfs_xdr_diropargs(struct rpc_rqst *req, u32 *p, struct nfs_diropargs *args) * exactly to the page we want to fetch. */ static int -nfs_xdr_readargs(struct rpc_rqst *req, u32 *p, struct nfs_readargs *args) +nfs_xdr_readargs(struct rpc_rqst *req, __be32 *p, struct nfs_readargs *args) { struct rpc_auth *auth = req->rq_task->tk_auth; unsigned int replen; @@ -246,7 +246,7 @@ nfs_xdr_readargs(struct rpc_rqst *req, u32 *p, struct nfs_readargs *args) * Decode READ reply */ static int -nfs_xdr_readres(struct rpc_rqst *req, u32 *p, struct nfs_readres *res) +nfs_xdr_readres(struct rpc_rqst *req, __be32 *p, struct nfs_readres *res) { struct kvec *iov = req->rq_rcv_buf.head; int status, count, recvd, hdrlen; @@ -286,7 +286,7 @@ nfs_xdr_readres(struct rpc_rqst *req, u32 *p, struct nfs_readres *res) * Write arguments. Splice the buffer to be written into the iovec. */ static int -nfs_xdr_writeargs(struct rpc_rqst *req, u32 *p, struct nfs_writeargs *args) +nfs_xdr_writeargs(struct rpc_rqst *req, __be32 *p, struct nfs_writeargs *args) { struct xdr_buf *sndbuf = &req->rq_snd_buf; u32 offset = (u32)args->offset; @@ -309,7 +309,7 @@ nfs_xdr_writeargs(struct rpc_rqst *req, u32 *p, struct nfs_writeargs *args) * CREATE, MKDIR */ static int -nfs_xdr_createargs(struct rpc_rqst *req, u32 *p, struct nfs_createargs *args) +nfs_xdr_createargs(struct rpc_rqst *req, __be32 *p, struct nfs_createargs *args) { p = xdr_encode_fhandle(p, args->fh); p = xdr_encode_array(p, args->name, args->len); @@ -322,7 +322,7 @@ nfs_xdr_createargs(struct rpc_rqst *req, u32 *p, struct nfs_createargs *args) * Encode RENAME arguments */ static int -nfs_xdr_renameargs(struct rpc_rqst *req, u32 *p, struct nfs_renameargs *args) +nfs_xdr_renameargs(struct rpc_rqst *req, __be32 *p, struct nfs_renameargs *args) { p = xdr_encode_fhandle(p, args->fromfh); p = xdr_encode_array(p, args->fromname, args->fromlen); @@ -336,7 +336,7 @@ nfs_xdr_renameargs(struct rpc_rqst *req, u32 *p, struct nfs_renameargs *args) * Encode LINK arguments */ static int -nfs_xdr_linkargs(struct rpc_rqst *req, u32 *p, struct nfs_linkargs *args) +nfs_xdr_linkargs(struct rpc_rqst *req, __be32 *p, struct nfs_linkargs *args) { p = xdr_encode_fhandle(p, args->fromfh); p = xdr_encode_fhandle(p, args->tofh); @@ -349,7 +349,7 @@ nfs_xdr_linkargs(struct rpc_rqst *req, u32 *p, struct nfs_linkargs *args) * Encode SYMLINK arguments */ static int -nfs_xdr_symlinkargs(struct rpc_rqst *req, u32 *p, struct nfs_symlinkargs *args) +nfs_xdr_symlinkargs(struct rpc_rqst *req, __be32 *p, struct nfs_symlinkargs *args) { struct xdr_buf *sndbuf = &req->rq_snd_buf; size_t pad; @@ -378,7 +378,7 @@ nfs_xdr_symlinkargs(struct rpc_rqst *req, u32 *p, struct nfs_symlinkargs *args) * Encode arguments to readdir call */ static int -nfs_xdr_readdirargs(struct rpc_rqst *req, u32 *p, struct nfs_readdirargs *args) +nfs_xdr_readdirargs(struct rpc_rqst *req, __be32 *p, struct nfs_readdirargs *args) { struct rpc_task *task = req->rq_task; struct rpc_auth *auth = task->tk_auth; @@ -404,7 +404,7 @@ nfs_xdr_readdirargs(struct rpc_rqst *req, u32 *p, struct nfs_readdirargs *args) * from nfs_readdir for each entry. */ static int -nfs_xdr_readdirres(struct rpc_rqst *req, u32 *p, void *dummy) +nfs_xdr_readdirres(struct rpc_rqst *req, __be32 *p, void *dummy) { struct xdr_buf *rcvbuf = &req->rq_rcv_buf; struct kvec *iov = rcvbuf->head; @@ -412,7 +412,7 @@ nfs_xdr_readdirres(struct rpc_rqst *req, u32 *p, void *dummy) int hdrlen, recvd; int status, nr; unsigned int len, pglen; - u32 *end, *entry, *kaddr; + __be32 *end, *entry, *kaddr; if ((status = ntohl(*p++))) return -nfs_stat_to_errno(status); @@ -432,8 +432,8 @@ nfs_xdr_readdirres(struct rpc_rqst *req, u32 *p, void *dummy) if (pglen > recvd) pglen = recvd; page = rcvbuf->pages; - kaddr = p = (u32 *)kmap_atomic(*page, KM_USER0); - end = (u32 *)((char *)p + pglen); + kaddr = p = kmap_atomic(*page, KM_USER0); + end = (__be32 *)((char *)p + pglen); entry = p; for (nr = 0; *p++; nr++) { if (p + 2 > end) @@ -468,8 +468,8 @@ err_unmap: goto out; } -u32 * -nfs_decode_dirent(u32 *p, struct nfs_entry *entry, int plus) +__be32 * +nfs_decode_dirent(__be32 *p, struct nfs_entry *entry, int plus) { if (!*p++) { if (!*p) @@ -496,7 +496,7 @@ nfs_decode_dirent(u32 *p, struct nfs_entry *entry, int plus) * Decode simple status reply */ static int -nfs_xdr_stat(struct rpc_rqst *req, u32 *p, void *dummy) +nfs_xdr_stat(struct rpc_rqst *req, __be32 *p, void *dummy) { int status; @@ -510,7 +510,7 @@ nfs_xdr_stat(struct rpc_rqst *req, u32 *p, void *dummy) * GETATTR, SETATTR, WRITE */ static int -nfs_xdr_attrstat(struct rpc_rqst *req, u32 *p, struct nfs_fattr *fattr) +nfs_xdr_attrstat(struct rpc_rqst *req, __be32 *p, struct nfs_fattr *fattr) { int status; @@ -525,7 +525,7 @@ nfs_xdr_attrstat(struct rpc_rqst *req, u32 *p, struct nfs_fattr *fattr) * LOOKUP, CREATE, MKDIR */ static int -nfs_xdr_diropres(struct rpc_rqst *req, u32 *p, struct nfs_diropok *res) +nfs_xdr_diropres(struct rpc_rqst *req, __be32 *p, struct nfs_diropok *res) { int status; @@ -540,7 +540,7 @@ nfs_xdr_diropres(struct rpc_rqst *req, u32 *p, struct nfs_diropok *res) * Encode READLINK args */ static int -nfs_xdr_readlinkargs(struct rpc_rqst *req, u32 *p, struct nfs_readlinkargs *args) +nfs_xdr_readlinkargs(struct rpc_rqst *req, __be32 *p, struct nfs_readlinkargs *args) { struct rpc_auth *auth = req->rq_task->tk_auth; unsigned int replen; @@ -558,7 +558,7 @@ nfs_xdr_readlinkargs(struct rpc_rqst *req, u32 *p, struct nfs_readlinkargs *args * Decode READLINK reply */ static int -nfs_xdr_readlinkres(struct rpc_rqst *req, u32 *p, void *dummy) +nfs_xdr_readlinkres(struct rpc_rqst *req, __be32 *p, void *dummy) { struct xdr_buf *rcvbuf = &req->rq_rcv_buf; struct kvec *iov = rcvbuf->head; @@ -601,7 +601,7 @@ nfs_xdr_readlinkres(struct rpc_rqst *req, u32 *p, void *dummy) * Decode WRITE reply */ static int -nfs_xdr_writeres(struct rpc_rqst *req, u32 *p, struct nfs_writeres *res) +nfs_xdr_writeres(struct rpc_rqst *req, __be32 *p, struct nfs_writeres *res) { res->verf->committed = NFS_FILE_SYNC; return nfs_xdr_attrstat(req, p, res->fattr); @@ -611,7 +611,7 @@ nfs_xdr_writeres(struct rpc_rqst *req, u32 *p, struct nfs_writeres *res) * Decode STATFS reply */ static int -nfs_xdr_statfsres(struct rpc_rqst *req, u32 *p, struct nfs2_fsstat *res) +nfs_xdr_statfsres(struct rpc_rqst *req, __be32 *p, struct nfs2_fsstat *res) { int status; diff --git a/fs/nfs/nfs3proc.c b/fs/nfs/nfs3proc.c index 3b234d4601e7..acd8fe9762d3 100644 --- a/fs/nfs/nfs3proc.c +++ b/fs/nfs/nfs3proc.c @@ -276,51 +276,6 @@ static int nfs3_proc_read(struct nfs_read_data *rdata) return status; } -static int nfs3_proc_write(struct nfs_write_data *wdata) -{ - int rpcflags = wdata->flags; - struct inode * inode = wdata->inode; - struct nfs_fattr * fattr = wdata->res.fattr; - struct rpc_message msg = { - .rpc_proc = &nfs3_procedures[NFS3PROC_WRITE], - .rpc_argp = &wdata->args, - .rpc_resp = &wdata->res, - .rpc_cred = wdata->cred, - }; - int status; - - dprintk("NFS call write %d @ %Ld\n", wdata->args.count, - (long long) wdata->args.offset); - nfs_fattr_init(fattr); - status = rpc_call_sync(NFS_CLIENT(inode), &msg, rpcflags); - if (status >= 0) - nfs_post_op_update_inode(inode, fattr); - dprintk("NFS reply write: %d\n", status); - return status < 0? status : wdata->res.count; -} - -static int nfs3_proc_commit(struct nfs_write_data *cdata) -{ - struct inode * inode = cdata->inode; - struct nfs_fattr * fattr = cdata->res.fattr; - struct rpc_message msg = { - .rpc_proc = &nfs3_procedures[NFS3PROC_COMMIT], - .rpc_argp = &cdata->args, - .rpc_resp = &cdata->res, - .rpc_cred = cdata->cred, - }; - int status; - - dprintk("NFS call commit %d @ %Ld\n", cdata->args.count, - (long long) cdata->args.offset); - nfs_fattr_init(fattr); - status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); - if (status >= 0) - nfs_post_op_update_inode(inode, fattr); - dprintk("NFS reply commit: %d\n", status); - return status; -} - /* * Create a regular file. * For now, we don't implement O_EXCL. @@ -369,7 +324,7 @@ again: /* If the server doesn't support the exclusive creation semantics, * try again with simple 'guarded' mode. */ - if (status == NFSERR_NOTSUPP) { + if (status == -ENOTSUPP) { switch (arg.createmode) { case NFS3_CREATE_EXCLUSIVE: arg.createmode = NFS3_CREATE_GUARDED; @@ -668,7 +623,7 @@ nfs3_proc_readdir(struct dentry *dentry, struct rpc_cred *cred, { struct inode *dir = dentry->d_inode; struct nfs_fattr dir_attr; - u32 *verf = NFS_COOKIEVERF(dir); + __be32 *verf = NFS_COOKIEVERF(dir); struct nfs3_readdirargs arg = { .fh = NFS_FH(dir), .cookie = cookie, @@ -690,8 +645,6 @@ nfs3_proc_readdir(struct dentry *dentry, struct rpc_cred *cred, }; int status; - lock_kernel(); - if (plus) msg.rpc_proc = &nfs3_procedures[NFS3PROC_READDIRPLUS]; @@ -702,7 +655,6 @@ nfs3_proc_readdir(struct dentry *dentry, struct rpc_cred *cred, status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); nfs_refresh_inode(dir, &dir_attr); dprintk("NFS reply readdir: %d\n", status); - unlock_kernel(); return status; } @@ -889,7 +841,7 @@ static void nfs3_proc_commit_setup(struct nfs_write_data *data, int how) static int nfs3_proc_lock(struct file *filp, int cmd, struct file_lock *fl) { - return nlmclnt_proc(filp->f_dentry->d_inode, cmd, fl); + return nlmclnt_proc(filp->f_path.dentry->d_inode, cmd, fl); } const struct nfs_rpc_ops nfs_v3_clientops = { @@ -904,8 +856,6 @@ const struct nfs_rpc_ops nfs_v3_clientops = { .access = nfs3_proc_access, .readlink = nfs3_proc_readlink, .read = nfs3_proc_read, - .write = nfs3_proc_write, - .commit = nfs3_proc_commit, .create = nfs3_proc_create, .remove = nfs3_proc_remove, .unlink_setup = nfs3_proc_unlink_setup, diff --git a/fs/nfs/nfs3xdr.c b/fs/nfs/nfs3xdr.c index 16556fa4effb..0ace092d126f 100644 --- a/fs/nfs/nfs3xdr.c +++ b/fs/nfs/nfs3xdr.c @@ -105,14 +105,14 @@ static struct { /* * Common NFS XDR functions as inlines */ -static inline u32 * -xdr_encode_fhandle(u32 *p, struct nfs_fh *fh) +static inline __be32 * +xdr_encode_fhandle(__be32 *p, struct nfs_fh *fh) { return xdr_encode_array(p, fh->data, fh->size); } -static inline u32 * -xdr_decode_fhandle(u32 *p, struct nfs_fh *fh) +static inline __be32 * +xdr_decode_fhandle(__be32 *p, struct nfs_fh *fh) { if ((fh->size = ntohl(*p++)) <= NFS3_FHSIZE) { memcpy(fh->data, p, fh->size); @@ -124,24 +124,24 @@ xdr_decode_fhandle(u32 *p, struct nfs_fh *fh) /* * Encode/decode time. */ -static inline u32 * -xdr_encode_time3(u32 *p, struct timespec *timep) +static inline __be32 * +xdr_encode_time3(__be32 *p, struct timespec *timep) { *p++ = htonl(timep->tv_sec); *p++ = htonl(timep->tv_nsec); return p; } -static inline u32 * -xdr_decode_time3(u32 *p, struct timespec *timep) +static inline __be32 * +xdr_decode_time3(__be32 *p, struct timespec *timep) { timep->tv_sec = ntohl(*p++); timep->tv_nsec = ntohl(*p++); return p; } -static u32 * -xdr_decode_fattr(u32 *p, struct nfs_fattr *fattr) +static __be32 * +xdr_decode_fattr(__be32 *p, struct nfs_fattr *fattr) { unsigned int type, major, minor; int fmode; @@ -177,8 +177,8 @@ xdr_decode_fattr(u32 *p, struct nfs_fattr *fattr) return p; } -static inline u32 * -xdr_encode_sattr(u32 *p, struct iattr *attr) +static inline __be32 * +xdr_encode_sattr(__be32 *p, struct iattr *attr) { if (attr->ia_valid & ATTR_MODE) { *p++ = xdr_one; @@ -223,8 +223,8 @@ xdr_encode_sattr(u32 *p, struct iattr *attr) return p; } -static inline u32 * -xdr_decode_wcc_attr(u32 *p, struct nfs_fattr *fattr) +static inline __be32 * +xdr_decode_wcc_attr(__be32 *p, struct nfs_fattr *fattr) { p = xdr_decode_hyper(p, &fattr->pre_size); p = xdr_decode_time3(p, &fattr->pre_mtime); @@ -233,16 +233,16 @@ xdr_decode_wcc_attr(u32 *p, struct nfs_fattr *fattr) return p; } -static inline u32 * -xdr_decode_post_op_attr(u32 *p, struct nfs_fattr *fattr) +static inline __be32 * +xdr_decode_post_op_attr(__be32 *p, struct nfs_fattr *fattr) { if (*p++) p = xdr_decode_fattr(p, fattr); return p; } -static inline u32 * -xdr_decode_pre_op_attr(u32 *p, struct nfs_fattr *fattr) +static inline __be32 * +xdr_decode_pre_op_attr(__be32 *p, struct nfs_fattr *fattr) { if (*p++) return xdr_decode_wcc_attr(p, fattr); @@ -250,8 +250,8 @@ xdr_decode_pre_op_attr(u32 *p, struct nfs_fattr *fattr) } -static inline u32 * -xdr_decode_wcc_data(u32 *p, struct nfs_fattr *fattr) +static inline __be32 * +xdr_decode_wcc_data(__be32 *p, struct nfs_fattr *fattr) { p = xdr_decode_pre_op_attr(p, fattr); return xdr_decode_post_op_attr(p, fattr); @@ -265,7 +265,7 @@ xdr_decode_wcc_data(u32 *p, struct nfs_fattr *fattr) * Encode file handle argument */ static int -nfs3_xdr_fhandle(struct rpc_rqst *req, u32 *p, struct nfs_fh *fh) +nfs3_xdr_fhandle(struct rpc_rqst *req, __be32 *p, struct nfs_fh *fh) { p = xdr_encode_fhandle(p, fh); req->rq_slen = xdr_adjust_iovec(req->rq_svec, p); @@ -276,7 +276,7 @@ nfs3_xdr_fhandle(struct rpc_rqst *req, u32 *p, struct nfs_fh *fh) * Encode SETATTR arguments */ static int -nfs3_xdr_sattrargs(struct rpc_rqst *req, u32 *p, struct nfs3_sattrargs *args) +nfs3_xdr_sattrargs(struct rpc_rqst *req, __be32 *p, struct nfs3_sattrargs *args) { p = xdr_encode_fhandle(p, args->fh); p = xdr_encode_sattr(p, args->sattr); @@ -291,7 +291,7 @@ nfs3_xdr_sattrargs(struct rpc_rqst *req, u32 *p, struct nfs3_sattrargs *args) * Encode directory ops argument */ static int -nfs3_xdr_diropargs(struct rpc_rqst *req, u32 *p, struct nfs3_diropargs *args) +nfs3_xdr_diropargs(struct rpc_rqst *req, __be32 *p, struct nfs3_diropargs *args) { p = xdr_encode_fhandle(p, args->fh); p = xdr_encode_array(p, args->name, args->len); @@ -303,7 +303,7 @@ nfs3_xdr_diropargs(struct rpc_rqst *req, u32 *p, struct nfs3_diropargs *args) * Encode access() argument */ static int -nfs3_xdr_accessargs(struct rpc_rqst *req, u32 *p, struct nfs3_accessargs *args) +nfs3_xdr_accessargs(struct rpc_rqst *req, __be32 *p, struct nfs3_accessargs *args) { p = xdr_encode_fhandle(p, args->fh); *p++ = htonl(args->access); @@ -317,7 +317,7 @@ nfs3_xdr_accessargs(struct rpc_rqst *req, u32 *p, struct nfs3_accessargs *args) * exactly to the page we want to fetch. */ static int -nfs3_xdr_readargs(struct rpc_rqst *req, u32 *p, struct nfs_readargs *args) +nfs3_xdr_readargs(struct rpc_rqst *req, __be32 *p, struct nfs_readargs *args) { struct rpc_auth *auth = req->rq_task->tk_auth; unsigned int replen; @@ -339,7 +339,7 @@ nfs3_xdr_readargs(struct rpc_rqst *req, u32 *p, struct nfs_readargs *args) * Write arguments. Splice the buffer to be written into the iovec. */ static int -nfs3_xdr_writeargs(struct rpc_rqst *req, u32 *p, struct nfs_writeargs *args) +nfs3_xdr_writeargs(struct rpc_rqst *req, __be32 *p, struct nfs_writeargs *args) { struct xdr_buf *sndbuf = &req->rq_snd_buf; u32 count = args->count; @@ -360,7 +360,7 @@ nfs3_xdr_writeargs(struct rpc_rqst *req, u32 *p, struct nfs_writeargs *args) * Encode CREATE arguments */ static int -nfs3_xdr_createargs(struct rpc_rqst *req, u32 *p, struct nfs3_createargs *args) +nfs3_xdr_createargs(struct rpc_rqst *req, __be32 *p, struct nfs3_createargs *args) { p = xdr_encode_fhandle(p, args->fh); p = xdr_encode_array(p, args->name, args->len); @@ -380,7 +380,7 @@ nfs3_xdr_createargs(struct rpc_rqst *req, u32 *p, struct nfs3_createargs *args) * Encode MKDIR arguments */ static int -nfs3_xdr_mkdirargs(struct rpc_rqst *req, u32 *p, struct nfs3_mkdirargs *args) +nfs3_xdr_mkdirargs(struct rpc_rqst *req, __be32 *p, struct nfs3_mkdirargs *args) { p = xdr_encode_fhandle(p, args->fh); p = xdr_encode_array(p, args->name, args->len); @@ -393,7 +393,7 @@ nfs3_xdr_mkdirargs(struct rpc_rqst *req, u32 *p, struct nfs3_mkdirargs *args) * Encode SYMLINK arguments */ static int -nfs3_xdr_symlinkargs(struct rpc_rqst *req, u32 *p, struct nfs3_symlinkargs *args) +nfs3_xdr_symlinkargs(struct rpc_rqst *req, __be32 *p, struct nfs3_symlinkargs *args) { p = xdr_encode_fhandle(p, args->fromfh); p = xdr_encode_array(p, args->fromname, args->fromlen); @@ -410,7 +410,7 @@ nfs3_xdr_symlinkargs(struct rpc_rqst *req, u32 *p, struct nfs3_symlinkargs *args * Encode MKNOD arguments */ static int -nfs3_xdr_mknodargs(struct rpc_rqst *req, u32 *p, struct nfs3_mknodargs *args) +nfs3_xdr_mknodargs(struct rpc_rqst *req, __be32 *p, struct nfs3_mknodargs *args) { p = xdr_encode_fhandle(p, args->fh); p = xdr_encode_array(p, args->name, args->len); @@ -429,7 +429,7 @@ nfs3_xdr_mknodargs(struct rpc_rqst *req, u32 *p, struct nfs3_mknodargs *args) * Encode RENAME arguments */ static int -nfs3_xdr_renameargs(struct rpc_rqst *req, u32 *p, struct nfs3_renameargs *args) +nfs3_xdr_renameargs(struct rpc_rqst *req, __be32 *p, struct nfs3_renameargs *args) { p = xdr_encode_fhandle(p, args->fromfh); p = xdr_encode_array(p, args->fromname, args->fromlen); @@ -443,7 +443,7 @@ nfs3_xdr_renameargs(struct rpc_rqst *req, u32 *p, struct nfs3_renameargs *args) * Encode LINK arguments */ static int -nfs3_xdr_linkargs(struct rpc_rqst *req, u32 *p, struct nfs3_linkargs *args) +nfs3_xdr_linkargs(struct rpc_rqst *req, __be32 *p, struct nfs3_linkargs *args) { p = xdr_encode_fhandle(p, args->fromfh); p = xdr_encode_fhandle(p, args->tofh); @@ -456,7 +456,7 @@ nfs3_xdr_linkargs(struct rpc_rqst *req, u32 *p, struct nfs3_linkargs *args) * Encode arguments to readdir call */ static int -nfs3_xdr_readdirargs(struct rpc_rqst *req, u32 *p, struct nfs3_readdirargs *args) +nfs3_xdr_readdirargs(struct rpc_rqst *req, __be32 *p, struct nfs3_readdirargs *args) { struct rpc_auth *auth = req->rq_task->tk_auth; unsigned int replen; @@ -485,7 +485,7 @@ nfs3_xdr_readdirargs(struct rpc_rqst *req, u32 *p, struct nfs3_readdirargs *args * We just check for syntactical correctness. */ static int -nfs3_xdr_readdirres(struct rpc_rqst *req, u32 *p, struct nfs3_readdirres *res) +nfs3_xdr_readdirres(struct rpc_rqst *req, __be32 *p, struct nfs3_readdirres *res) { struct xdr_buf *rcvbuf = &req->rq_rcv_buf; struct kvec *iov = rcvbuf->head; @@ -493,7 +493,7 @@ nfs3_xdr_readdirres(struct rpc_rqst *req, u32 *p, struct nfs3_readdirres *res) int hdrlen, recvd; int status, nr; unsigned int len, pglen; - u32 *entry, *end, *kaddr; + __be32 *entry, *end, *kaddr; status = ntohl(*p++); /* Decode post_op_attrs */ @@ -523,8 +523,8 @@ nfs3_xdr_readdirres(struct rpc_rqst *req, u32 *p, struct nfs3_readdirres *res) if (pglen > recvd) pglen = recvd; page = rcvbuf->pages; - kaddr = p = (u32 *)kmap_atomic(*page, KM_USER0); - end = (u32 *)((char *)p + pglen); + kaddr = p = kmap_atomic(*page, KM_USER0); + end = (__be32 *)((char *)p + pglen); entry = p; for (nr = 0; *p++; nr++) { if (p + 3 > end) @@ -583,8 +583,8 @@ err_unmap: goto out; } -u32 * -nfs3_decode_dirent(u32 *p, struct nfs_entry *entry, int plus) +__be32 * +nfs3_decode_dirent(__be32 *p, struct nfs_entry *entry, int plus) { struct nfs_entry old = *entry; @@ -626,7 +626,7 @@ nfs3_decode_dirent(u32 *p, struct nfs_entry *entry, int plus) * Encode COMMIT arguments */ static int -nfs3_xdr_commitargs(struct rpc_rqst *req, u32 *p, struct nfs_writeargs *args) +nfs3_xdr_commitargs(struct rpc_rqst *req, __be32 *p, struct nfs_writeargs *args) { p = xdr_encode_fhandle(p, args->fh); p = xdr_encode_hyper(p, args->offset); @@ -640,7 +640,7 @@ nfs3_xdr_commitargs(struct rpc_rqst *req, u32 *p, struct nfs_writeargs *args) * Encode GETACL arguments */ static int -nfs3_xdr_getaclargs(struct rpc_rqst *req, u32 *p, +nfs3_xdr_getaclargs(struct rpc_rqst *req, __be32 *p, struct nfs3_getaclargs *args) { struct rpc_auth *auth = req->rq_task->tk_auth; @@ -664,7 +664,7 @@ nfs3_xdr_getaclargs(struct rpc_rqst *req, u32 *p, * Encode SETACL arguments */ static int -nfs3_xdr_setaclargs(struct rpc_rqst *req, u32 *p, +nfs3_xdr_setaclargs(struct rpc_rqst *req, __be32 *p, struct nfs3_setaclargs *args) { struct xdr_buf *buf = &req->rq_snd_buf; @@ -711,7 +711,7 @@ nfs3_xdr_setaclargs(struct rpc_rqst *req, u32 *p, * Decode attrstat reply. */ static int -nfs3_xdr_attrstat(struct rpc_rqst *req, u32 *p, struct nfs_fattr *fattr) +nfs3_xdr_attrstat(struct rpc_rqst *req, __be32 *p, struct nfs_fattr *fattr) { int status; @@ -726,7 +726,7 @@ nfs3_xdr_attrstat(struct rpc_rqst *req, u32 *p, struct nfs_fattr *fattr) * SATTR, REMOVE, RMDIR */ static int -nfs3_xdr_wccstat(struct rpc_rqst *req, u32 *p, struct nfs_fattr *fattr) +nfs3_xdr_wccstat(struct rpc_rqst *req, __be32 *p, struct nfs_fattr *fattr) { int status; @@ -740,7 +740,7 @@ nfs3_xdr_wccstat(struct rpc_rqst *req, u32 *p, struct nfs_fattr *fattr) * Decode LOOKUP reply */ static int -nfs3_xdr_lookupres(struct rpc_rqst *req, u32 *p, struct nfs3_diropres *res) +nfs3_xdr_lookupres(struct rpc_rqst *req, __be32 *p, struct nfs3_diropres *res) { int status; @@ -759,7 +759,7 @@ nfs3_xdr_lookupres(struct rpc_rqst *req, u32 *p, struct nfs3_diropres *res) * Decode ACCESS reply */ static int -nfs3_xdr_accessres(struct rpc_rqst *req, u32 *p, struct nfs3_accessres *res) +nfs3_xdr_accessres(struct rpc_rqst *req, __be32 *p, struct nfs3_accessres *res) { int status = ntohl(*p++); @@ -771,7 +771,7 @@ nfs3_xdr_accessres(struct rpc_rqst *req, u32 *p, struct nfs3_accessres *res) } static int -nfs3_xdr_readlinkargs(struct rpc_rqst *req, u32 *p, struct nfs3_readlinkargs *args) +nfs3_xdr_readlinkargs(struct rpc_rqst *req, __be32 *p, struct nfs3_readlinkargs *args) { struct rpc_auth *auth = req->rq_task->tk_auth; unsigned int replen; @@ -789,7 +789,7 @@ nfs3_xdr_readlinkargs(struct rpc_rqst *req, u32 *p, struct nfs3_readlinkargs *ar * Decode READLINK reply */ static int -nfs3_xdr_readlinkres(struct rpc_rqst *req, u32 *p, struct nfs_fattr *fattr) +nfs3_xdr_readlinkres(struct rpc_rqst *req, __be32 *p, struct nfs_fattr *fattr) { struct xdr_buf *rcvbuf = &req->rq_rcv_buf; struct kvec *iov = rcvbuf->head; @@ -837,7 +837,7 @@ nfs3_xdr_readlinkres(struct rpc_rqst *req, u32 *p, struct nfs_fattr *fattr) * Decode READ reply */ static int -nfs3_xdr_readres(struct rpc_rqst *req, u32 *p, struct nfs_readres *res) +nfs3_xdr_readres(struct rpc_rqst *req, __be32 *p, struct nfs_readres *res) { struct kvec *iov = req->rq_rcv_buf.head; int status, count, ocount, recvd, hdrlen; @@ -888,7 +888,7 @@ nfs3_xdr_readres(struct rpc_rqst *req, u32 *p, struct nfs_readres *res) * Decode WRITE response */ static int -nfs3_xdr_writeres(struct rpc_rqst *req, u32 *p, struct nfs_writeres *res) +nfs3_xdr_writeres(struct rpc_rqst *req, __be32 *p, struct nfs_writeres *res) { int status; @@ -910,7 +910,7 @@ nfs3_xdr_writeres(struct rpc_rqst *req, u32 *p, struct nfs_writeres *res) * Decode a CREATE response */ static int -nfs3_xdr_createres(struct rpc_rqst *req, u32 *p, struct nfs3_diropres *res) +nfs3_xdr_createres(struct rpc_rqst *req, __be32 *p, struct nfs3_diropres *res) { int status; @@ -937,7 +937,7 @@ nfs3_xdr_createres(struct rpc_rqst *req, u32 *p, struct nfs3_diropres *res) * Decode RENAME reply */ static int -nfs3_xdr_renameres(struct rpc_rqst *req, u32 *p, struct nfs3_renameres *res) +nfs3_xdr_renameres(struct rpc_rqst *req, __be32 *p, struct nfs3_renameres *res) { int status; @@ -952,7 +952,7 @@ nfs3_xdr_renameres(struct rpc_rqst *req, u32 *p, struct nfs3_renameres *res) * Decode LINK reply */ static int -nfs3_xdr_linkres(struct rpc_rqst *req, u32 *p, struct nfs3_linkres *res) +nfs3_xdr_linkres(struct rpc_rqst *req, __be32 *p, struct nfs3_linkres *res) { int status; @@ -967,7 +967,7 @@ nfs3_xdr_linkres(struct rpc_rqst *req, u32 *p, struct nfs3_linkres *res) * Decode FSSTAT reply */ static int -nfs3_xdr_fsstatres(struct rpc_rqst *req, u32 *p, struct nfs_fsstat *res) +nfs3_xdr_fsstatres(struct rpc_rqst *req, __be32 *p, struct nfs_fsstat *res) { int status; @@ -992,7 +992,7 @@ nfs3_xdr_fsstatres(struct rpc_rqst *req, u32 *p, struct nfs_fsstat *res) * Decode FSINFO reply */ static int -nfs3_xdr_fsinfores(struct rpc_rqst *req, u32 *p, struct nfs_fsinfo *res) +nfs3_xdr_fsinfores(struct rpc_rqst *req, __be32 *p, struct nfs_fsinfo *res) { int status; @@ -1020,7 +1020,7 @@ nfs3_xdr_fsinfores(struct rpc_rqst *req, u32 *p, struct nfs_fsinfo *res) * Decode PATHCONF reply */ static int -nfs3_xdr_pathconfres(struct rpc_rqst *req, u32 *p, struct nfs_pathconf *res) +nfs3_xdr_pathconfres(struct rpc_rqst *req, __be32 *p, struct nfs_pathconf *res) { int status; @@ -1040,7 +1040,7 @@ nfs3_xdr_pathconfres(struct rpc_rqst *req, u32 *p, struct nfs_pathconf *res) * Decode COMMIT reply */ static int -nfs3_xdr_commitres(struct rpc_rqst *req, u32 *p, struct nfs_writeres *res) +nfs3_xdr_commitres(struct rpc_rqst *req, __be32 *p, struct nfs_writeres *res) { int status; @@ -1059,7 +1059,7 @@ nfs3_xdr_commitres(struct rpc_rqst *req, u32 *p, struct nfs_writeres *res) * Decode GETACL reply */ static int -nfs3_xdr_getaclres(struct rpc_rqst *req, u32 *p, +nfs3_xdr_getaclres(struct rpc_rqst *req, __be32 *p, struct nfs3_getaclres *res) { struct xdr_buf *buf = &req->rq_rcv_buf; @@ -1091,7 +1091,7 @@ nfs3_xdr_getaclres(struct rpc_rqst *req, u32 *p, * Decode setacl reply. */ static int -nfs3_xdr_setaclres(struct rpc_rqst *req, u32 *p, struct nfs_fattr *fattr) +nfs3_xdr_setaclres(struct rpc_rqst *req, __be32 *p, struct nfs_fattr *fattr) { int status = ntohl(*p++); diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h index 61095fe4b5ca..c26cd978c7cc 100644 --- a/fs/nfs/nfs4_fs.h +++ b/fs/nfs/nfs4_fs.h @@ -185,7 +185,7 @@ extern const u32 nfs4_fs_locations_bitmap[2]; extern void nfs4_schedule_state_renewal(struct nfs_client *); extern void nfs4_renewd_prepare_shutdown(struct nfs_server *); extern void nfs4_kill_renewd(struct nfs_client *); -extern void nfs4_renew_state(void *); +extern void nfs4_renew_state(struct work_struct *); /* nfs4state.c */ struct rpc_cred *nfs4_get_renew_cred(struct nfs_client *clp); @@ -212,7 +212,7 @@ extern void nfs_free_seqid(struct nfs_seqid *seqid); extern const nfs4_stateid zero_stateid; /* nfs4xdr.c */ -extern uint32_t *nfs4_decode_dirent(uint32_t *p, struct nfs_entry *entry, int plus); +extern __be32 *nfs4_decode_dirent(__be32 *p, struct nfs_entry *entry, int plus); extern struct rpc_procinfo nfs4_procedures[]; struct nfs4_mount_data; diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 47c7e6e3910d..ee458aeab24a 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -138,10 +138,10 @@ const u32 nfs4_fs_locations_bitmap[2] = { | FATTR4_WORD1_MOUNTED_ON_FILEID }; -static void nfs4_setup_readdir(u64 cookie, u32 *verifier, struct dentry *dentry, +static void nfs4_setup_readdir(u64 cookie, __be32 *verifier, struct dentry *dentry, struct nfs4_readdir_arg *readdir) { - u32 *start, *p; + __be32 *start, *p; BUG_ON(readdir->count < 80); if (cookie > 2) { @@ -162,7 +162,7 @@ static void nfs4_setup_readdir(u64 cookie, u32 *verifier, struct dentry *dentry, * when talking to the server, we always send cookie 0 * instead of 1 or 2. */ - start = p = (u32 *)kmap_atomic(*readdir->pages, KM_USER0); + start = p = kmap_atomic(*readdir->pages, KM_USER0); if (cookie == 0) { *p++ = xdr_one; /* next */ @@ -636,7 +636,7 @@ static int _nfs4_proc_open_confirm(struct nfs4_opendata *data) smp_wmb(); } else status = data->rpc_status; - rpc_release_task(task); + rpc_put_task(task); return status; } @@ -742,7 +742,7 @@ static int _nfs4_proc_open(struct nfs4_opendata *data) smp_wmb(); } else status = data->rpc_status; - rpc_release_task(task); + rpc_put_task(task); if (status != 0) return status; @@ -1314,11 +1314,9 @@ nfs4_open_revalidate(struct inode *dir, struct dentry *dentry, int openflags, st case -EROFS: lookup_instantiate_filp(nd, (struct dentry *)state, NULL); return 1; - case -ENOENT: - if (dentry->d_inode == NULL) - return 1; + default: + goto out_drop; } - goto out_drop; } if (state->inode == dentry->d_inode) { nfs4_intent_set_file(nd, dentry, state); @@ -1777,89 +1775,6 @@ static int nfs4_proc_read(struct nfs_read_data *rdata) return err; } -static int _nfs4_proc_write(struct nfs_write_data *wdata) -{ - int rpcflags = wdata->flags; - struct inode *inode = wdata->inode; - struct nfs_fattr *fattr = wdata->res.fattr; - struct nfs_server *server = NFS_SERVER(inode); - struct rpc_message msg = { - .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_WRITE], - .rpc_argp = &wdata->args, - .rpc_resp = &wdata->res, - .rpc_cred = wdata->cred, - }; - int status; - - dprintk("NFS call write %d @ %Ld\n", wdata->args.count, - (long long) wdata->args.offset); - - wdata->args.bitmask = server->attr_bitmask; - wdata->res.server = server; - wdata->timestamp = jiffies; - nfs_fattr_init(fattr); - status = rpc_call_sync(server->client, &msg, rpcflags); - dprintk("NFS reply write: %d\n", status); - if (status < 0) - return status; - renew_lease(server, wdata->timestamp); - nfs_post_op_update_inode(inode, fattr); - return wdata->res.count; -} - -static int nfs4_proc_write(struct nfs_write_data *wdata) -{ - struct nfs4_exception exception = { }; - int err; - do { - err = nfs4_handle_exception(NFS_SERVER(wdata->inode), - _nfs4_proc_write(wdata), - &exception); - } while (exception.retry); - return err; -} - -static int _nfs4_proc_commit(struct nfs_write_data *cdata) -{ - struct inode *inode = cdata->inode; - struct nfs_fattr *fattr = cdata->res.fattr; - struct nfs_server *server = NFS_SERVER(inode); - struct rpc_message msg = { - .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_COMMIT], - .rpc_argp = &cdata->args, - .rpc_resp = &cdata->res, - .rpc_cred = cdata->cred, - }; - int status; - - dprintk("NFS call commit %d @ %Ld\n", cdata->args.count, - (long long) cdata->args.offset); - - cdata->args.bitmask = server->attr_bitmask; - cdata->res.server = server; - cdata->timestamp = jiffies; - nfs_fattr_init(fattr); - status = rpc_call_sync(server->client, &msg, 0); - if (status >= 0) - renew_lease(server, cdata->timestamp); - dprintk("NFS reply commit: %d\n", status); - if (status >= 0) - nfs_post_op_update_inode(inode, fattr); - return status; -} - -static int nfs4_proc_commit(struct nfs_write_data *cdata) -{ - struct nfs4_exception exception = { }; - int err; - do { - err = nfs4_handle_exception(NFS_SERVER(cdata->inode), - _nfs4_proc_commit(cdata), - &exception); - } while (exception.retry); - return err; -} - /* * Got race? * We will need to arrange for the VFS layer to provide an atomic open. @@ -2225,13 +2140,11 @@ static int _nfs4_proc_readdir(struct dentry *dentry, struct rpc_cred *cred, dentry->d_parent->d_name.name, dentry->d_name.name, (unsigned long long)cookie); - lock_kernel(); nfs4_setup_readdir(cookie, NFS_COOKIEVERF(dir), dentry, &args); res.pgbase = args.pgbase; status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); if (status == 0) memcpy(NFS_COOKIEVERF(dir), res.verifier.data, NFS4_VERIFIER_SIZE); - unlock_kernel(); dprintk("%s: returns %d\n", __FUNCTION__, status); return status; } @@ -2917,11 +2830,11 @@ int nfs4_proc_setclientid(struct nfs_client *clp, u32 program, unsigned short po .rpc_resp = clp, .rpc_cred = cred, }; - u32 *p; + __be32 *p; int loop = 0; int status; - p = (u32*)sc_verifier.data; + p = (__be32*)sc_verifier.data; *p++ = htonl((u32)clp->cl_boot_time.tv_sec); *p = htonl((u32)clp->cl_boot_time.tv_nsec); @@ -3069,7 +2982,7 @@ static int _nfs4_proc_delegreturn(struct inode *inode, struct rpc_cred *cred, co if (status == 0) nfs_post_op_update_inode(inode, &data->fattr); } - rpc_release_task(task); + rpc_put_task(task); return status; } @@ -3316,7 +3229,7 @@ static int nfs4_proc_unlck(struct nfs4_state *state, int cmd, struct file_lock * if (IS_ERR(task)) goto out; status = nfs4_wait_for_completion_rpc_task(task); - rpc_release_task(task); + rpc_put_task(task); out: return status; } @@ -3432,7 +3345,7 @@ static void nfs4_lock_release(void *calldata) task = nfs4_do_unlck(&data->fl, data->ctx, data->lsp, data->arg.lock_seqid); if (!IS_ERR(task)) - rpc_release_task(task); + rpc_put_task(task); dprintk("%s: cancelling lock!\n", __FUNCTION__); } else nfs_free_seqid(data->arg.lock_seqid); @@ -3474,7 +3387,7 @@ static int _nfs4_do_setlk(struct nfs4_state *state, int cmd, struct file_lock *f ret = -EAGAIN; } else data->cancelled = 1; - rpc_release_task(task); + rpc_put_task(task); dprintk("%s: done, ret = %d!\n", __FUNCTION__, ret); return ret; } @@ -3734,8 +3647,6 @@ const struct nfs_rpc_ops nfs_v4_clientops = { .access = nfs4_proc_access, .readlink = nfs4_proc_readlink, .read = nfs4_proc_read, - .write = nfs4_proc_write, - .commit = nfs4_proc_commit, .create = nfs4_proc_create, .remove = nfs4_proc_remove, .unlink_setup = nfs4_proc_unlink_setup, diff --git a/fs/nfs/nfs4renewd.c b/fs/nfs/nfs4renewd.c index 7b6df1852e75..823298561c0a 100644 --- a/fs/nfs/nfs4renewd.c +++ b/fs/nfs/nfs4renewd.c @@ -59,9 +59,10 @@ #define NFSDBG_FACILITY NFSDBG_PROC void -nfs4_renew_state(void *data) +nfs4_renew_state(struct work_struct *work) { - struct nfs_client *clp = (struct nfs_client *)data; + struct nfs_client *clp = + container_of(work, struct nfs_client, cl_renewd.work); struct rpc_cred *cred; long lease, timeout; unsigned long last, now; diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c index 3dd413f52da1..0cf3fa312a33 100644 --- a/fs/nfs/nfs4xdr.c +++ b/fs/nfs/nfs4xdr.c @@ -471,7 +471,7 @@ struct compound_hdr { static void encode_string(struct xdr_stream *xdr, unsigned int len, const char *str) { - uint32_t *p; + __be32 *p; p = xdr_reserve_space(xdr, 4 + len); BUG_ON(p == NULL); @@ -480,7 +480,7 @@ static void encode_string(struct xdr_stream *xdr, unsigned int len, const char * static int encode_compound_hdr(struct xdr_stream *xdr, struct compound_hdr *hdr) { - uint32_t *p; + __be32 *p; dprintk("encode_compound: tag=%.*s\n", (int)hdr->taglen, hdr->tag); BUG_ON(hdr->taglen > NFS4_MAXTAGLEN); @@ -494,7 +494,7 @@ static int encode_compound_hdr(struct xdr_stream *xdr, struct compound_hdr *hdr) static void encode_nfs4_verifier(struct xdr_stream *xdr, const nfs4_verifier *verf) { - uint32_t *p; + __be32 *p; p = xdr_reserve_space(xdr, NFS4_VERIFIER_SIZE); BUG_ON(p == NULL); @@ -507,8 +507,8 @@ static int encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, const s char owner_group[IDMAP_NAMESZ]; int owner_namelen = 0; int owner_grouplen = 0; - uint32_t *p; - uint32_t *q; + __be32 *p; + __be32 *q; int len; uint32_t bmval0 = 0; uint32_t bmval1 = 0; @@ -630,7 +630,7 @@ static int encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, const s static int encode_access(struct xdr_stream *xdr, u32 access) { - uint32_t *p; + __be32 *p; RESERVE_SPACE(8); WRITE32(OP_ACCESS); @@ -641,7 +641,7 @@ static int encode_access(struct xdr_stream *xdr, u32 access) static int encode_close(struct xdr_stream *xdr, const struct nfs_closeargs *arg) { - uint32_t *p; + __be32 *p; RESERVE_SPACE(8+sizeof(arg->stateid->data)); WRITE32(OP_CLOSE); @@ -653,7 +653,7 @@ static int encode_close(struct xdr_stream *xdr, const struct nfs_closeargs *arg) static int encode_commit(struct xdr_stream *xdr, const struct nfs_writeargs *args) { - uint32_t *p; + __be32 *p; RESERVE_SPACE(16); WRITE32(OP_COMMIT); @@ -665,7 +665,7 @@ static int encode_commit(struct xdr_stream *xdr, const struct nfs_writeargs *arg static int encode_create(struct xdr_stream *xdr, const struct nfs4_create_arg *create) { - uint32_t *p; + __be32 *p; RESERVE_SPACE(8); WRITE32(OP_CREATE); @@ -697,7 +697,7 @@ static int encode_create(struct xdr_stream *xdr, const struct nfs4_create_arg *c static int encode_getattr_one(struct xdr_stream *xdr, uint32_t bitmap) { - uint32_t *p; + __be32 *p; RESERVE_SPACE(12); WRITE32(OP_GETATTR); @@ -708,7 +708,7 @@ static int encode_getattr_one(struct xdr_stream *xdr, uint32_t bitmap) static int encode_getattr_two(struct xdr_stream *xdr, uint32_t bm0, uint32_t bm1) { - uint32_t *p; + __be32 *p; RESERVE_SPACE(16); WRITE32(OP_GETATTR); @@ -740,7 +740,7 @@ static int encode_fs_locations(struct xdr_stream *xdr, const u32* bitmask) static int encode_getfh(struct xdr_stream *xdr) { - uint32_t *p; + __be32 *p; RESERVE_SPACE(4); WRITE32(OP_GETFH); @@ -750,7 +750,7 @@ static int encode_getfh(struct xdr_stream *xdr) static int encode_link(struct xdr_stream *xdr, const struct qstr *name) { - uint32_t *p; + __be32 *p; RESERVE_SPACE(8 + name->len); WRITE32(OP_LINK); @@ -780,7 +780,7 @@ static inline uint64_t nfs4_lock_length(struct file_lock *fl) */ static int encode_lock(struct xdr_stream *xdr, const struct nfs_lock_args *args) { - uint32_t *p; + __be32 *p; RESERVE_SPACE(32); WRITE32(OP_LOCK); @@ -809,7 +809,7 @@ static int encode_lock(struct xdr_stream *xdr, const struct nfs_lock_args *args) static int encode_lockt(struct xdr_stream *xdr, const struct nfs_lockt_args *args) { - uint32_t *p; + __be32 *p; RESERVE_SPACE(40); WRITE32(OP_LOCKT); @@ -825,7 +825,7 @@ static int encode_lockt(struct xdr_stream *xdr, const struct nfs_lockt_args *arg static int encode_locku(struct xdr_stream *xdr, const struct nfs_locku_args *args) { - uint32_t *p; + __be32 *p; RESERVE_SPACE(44); WRITE32(OP_LOCKU); @@ -841,7 +841,7 @@ static int encode_locku(struct xdr_stream *xdr, const struct nfs_locku_args *arg static int encode_lookup(struct xdr_stream *xdr, const struct qstr *name) { int len = name->len; - uint32_t *p; + __be32 *p; RESERVE_SPACE(8 + len); WRITE32(OP_LOOKUP); @@ -853,7 +853,7 @@ static int encode_lookup(struct xdr_stream *xdr, const struct qstr *name) static void encode_share_access(struct xdr_stream *xdr, int open_flags) { - uint32_t *p; + __be32 *p; RESERVE_SPACE(8); switch (open_flags & (FMODE_READ|FMODE_WRITE)) { @@ -874,7 +874,7 @@ static void encode_share_access(struct xdr_stream *xdr, int open_flags) static inline void encode_openhdr(struct xdr_stream *xdr, const struct nfs_openargs *arg) { - uint32_t *p; + __be32 *p; /* * opcode 4, seqid 4, share_access 4, share_deny 4, clientid 8, ownerlen 4, * owner 4 = 32 @@ -891,7 +891,7 @@ static inline void encode_openhdr(struct xdr_stream *xdr, const struct nfs_opena static inline void encode_createmode(struct xdr_stream *xdr, const struct nfs_openargs *arg) { - uint32_t *p; + __be32 *p; RESERVE_SPACE(4); switch(arg->open_flags & O_EXCL) { @@ -907,7 +907,7 @@ static inline void encode_createmode(struct xdr_stream *xdr, const struct nfs_op static void encode_opentype(struct xdr_stream *xdr, const struct nfs_openargs *arg) { - uint32_t *p; + __be32 *p; RESERVE_SPACE(4); switch (arg->open_flags & O_CREAT) { @@ -923,7 +923,7 @@ static void encode_opentype(struct xdr_stream *xdr, const struct nfs_openargs *a static inline void encode_delegation_type(struct xdr_stream *xdr, int delegation_type) { - uint32_t *p; + __be32 *p; RESERVE_SPACE(4); switch (delegation_type) { @@ -943,7 +943,7 @@ static inline void encode_delegation_type(struct xdr_stream *xdr, int delegation static inline void encode_claim_null(struct xdr_stream *xdr, const struct qstr *name) { - uint32_t *p; + __be32 *p; RESERVE_SPACE(4); WRITE32(NFS4_OPEN_CLAIM_NULL); @@ -952,7 +952,7 @@ static inline void encode_claim_null(struct xdr_stream *xdr, const struct qstr * static inline void encode_claim_previous(struct xdr_stream *xdr, int type) { - uint32_t *p; + __be32 *p; RESERVE_SPACE(4); WRITE32(NFS4_OPEN_CLAIM_PREVIOUS); @@ -961,7 +961,7 @@ static inline void encode_claim_previous(struct xdr_stream *xdr, int type) static inline void encode_claim_delegate_cur(struct xdr_stream *xdr, const struct qstr *name, const nfs4_stateid *stateid) { - uint32_t *p; + __be32 *p; RESERVE_SPACE(4+sizeof(stateid->data)); WRITE32(NFS4_OPEN_CLAIM_DELEGATE_CUR); @@ -991,7 +991,7 @@ static int encode_open(struct xdr_stream *xdr, const struct nfs_openargs *arg) static int encode_open_confirm(struct xdr_stream *xdr, const struct nfs_open_confirmargs *arg) { - uint32_t *p; + __be32 *p; RESERVE_SPACE(8+sizeof(arg->stateid->data)); WRITE32(OP_OPEN_CONFIRM); @@ -1003,7 +1003,7 @@ static int encode_open_confirm(struct xdr_stream *xdr, const struct nfs_open_con static int encode_open_downgrade(struct xdr_stream *xdr, const struct nfs_closeargs *arg) { - uint32_t *p; + __be32 *p; RESERVE_SPACE(8+sizeof(arg->stateid->data)); WRITE32(OP_OPEN_DOWNGRADE); @@ -1017,7 +1017,7 @@ static int encode_putfh(struct xdr_stream *xdr, const struct nfs_fh *fh) { int len = fh->size; - uint32_t *p; + __be32 *p; RESERVE_SPACE(8 + len); WRITE32(OP_PUTFH); @@ -1029,7 +1029,7 @@ encode_putfh(struct xdr_stream *xdr, const struct nfs_fh *fh) static int encode_putrootfh(struct xdr_stream *xdr) { - uint32_t *p; + __be32 *p; RESERVE_SPACE(4); WRITE32(OP_PUTROOTFH); @@ -1040,7 +1040,7 @@ static int encode_putrootfh(struct xdr_stream *xdr) static void encode_stateid(struct xdr_stream *xdr, const struct nfs_open_context *ctx) { nfs4_stateid stateid; - uint32_t *p; + __be32 *p; RESERVE_SPACE(16); if (ctx->state != NULL) { @@ -1052,7 +1052,7 @@ static void encode_stateid(struct xdr_stream *xdr, const struct nfs_open_context static int encode_read(struct xdr_stream *xdr, const struct nfs_readargs *args) { - uint32_t *p; + __be32 *p; RESERVE_SPACE(4); WRITE32(OP_READ); @@ -1074,7 +1074,7 @@ static int encode_readdir(struct xdr_stream *xdr, const struct nfs4_readdir_arg FATTR4_WORD1_MOUNTED_ON_FILEID, }; int replen; - uint32_t *p; + __be32 *p; RESERVE_SPACE(32+sizeof(nfs4_verifier)); WRITE32(OP_READDIR); @@ -1116,7 +1116,7 @@ static int encode_readlink(struct xdr_stream *xdr, const struct nfs4_readlink *r { struct rpc_auth *auth = req->rq_task->tk_auth; unsigned int replen; - uint32_t *p; + __be32 *p; RESERVE_SPACE(4); WRITE32(OP_READLINK); @@ -1134,7 +1134,7 @@ static int encode_readlink(struct xdr_stream *xdr, const struct nfs4_readlink *r static int encode_remove(struct xdr_stream *xdr, const struct qstr *name) { - uint32_t *p; + __be32 *p; RESERVE_SPACE(8 + name->len); WRITE32(OP_REMOVE); @@ -1146,7 +1146,7 @@ static int encode_remove(struct xdr_stream *xdr, const struct qstr *name) static int encode_rename(struct xdr_stream *xdr, const struct qstr *oldname, const struct qstr *newname) { - uint32_t *p; + __be32 *p; RESERVE_SPACE(8 + oldname->len); WRITE32(OP_RENAME); @@ -1162,7 +1162,7 @@ static int encode_rename(struct xdr_stream *xdr, const struct qstr *oldname, con static int encode_renew(struct xdr_stream *xdr, const struct nfs_client *client_stateid) { - uint32_t *p; + __be32 *p; RESERVE_SPACE(12); WRITE32(OP_RENEW); @@ -1174,7 +1174,7 @@ static int encode_renew(struct xdr_stream *xdr, const struct nfs_client *client_ static int encode_restorefh(struct xdr_stream *xdr) { - uint32_t *p; + __be32 *p; RESERVE_SPACE(4); WRITE32(OP_RESTOREFH); @@ -1185,7 +1185,7 @@ encode_restorefh(struct xdr_stream *xdr) static int encode_setacl(struct xdr_stream *xdr, struct nfs_setaclargs *arg) { - uint32_t *p; + __be32 *p; RESERVE_SPACE(4+sizeof(zero_stateid.data)); WRITE32(OP_SETATTR); @@ -1204,7 +1204,7 @@ encode_setacl(struct xdr_stream *xdr, struct nfs_setaclargs *arg) static int encode_savefh(struct xdr_stream *xdr) { - uint32_t *p; + __be32 *p; RESERVE_SPACE(4); WRITE32(OP_SAVEFH); @@ -1215,7 +1215,7 @@ encode_savefh(struct xdr_stream *xdr) static int encode_setattr(struct xdr_stream *xdr, const struct nfs_setattrargs *arg, const struct nfs_server *server) { int status; - uint32_t *p; + __be32 *p; RESERVE_SPACE(4+sizeof(arg->stateid.data)); WRITE32(OP_SETATTR); @@ -1229,7 +1229,7 @@ static int encode_setattr(struct xdr_stream *xdr, const struct nfs_setattrargs * static int encode_setclientid(struct xdr_stream *xdr, const struct nfs4_setclientid *setclientid) { - uint32_t *p; + __be32 *p; RESERVE_SPACE(4 + sizeof(setclientid->sc_verifier->data)); WRITE32(OP_SETCLIENTID); @@ -1248,7 +1248,7 @@ static int encode_setclientid(struct xdr_stream *xdr, const struct nfs4_setclien static int encode_setclientid_confirm(struct xdr_stream *xdr, const struct nfs_client *client_state) { - uint32_t *p; + __be32 *p; RESERVE_SPACE(12 + sizeof(client_state->cl_confirm.data)); WRITE32(OP_SETCLIENTID_CONFIRM); @@ -1260,7 +1260,7 @@ static int encode_setclientid_confirm(struct xdr_stream *xdr, const struct nfs_c static int encode_write(struct xdr_stream *xdr, const struct nfs_writeargs *args) { - uint32_t *p; + __be32 *p; RESERVE_SPACE(4); WRITE32(OP_WRITE); @@ -1279,7 +1279,7 @@ static int encode_write(struct xdr_stream *xdr, const struct nfs_writeargs *args static int encode_delegreturn(struct xdr_stream *xdr, const nfs4_stateid *stateid) { - uint32_t *p; + __be32 *p; RESERVE_SPACE(20); @@ -1295,7 +1295,7 @@ static int encode_delegreturn(struct xdr_stream *xdr, const nfs4_stateid *statei /* * Encode an ACCESS request */ -static int nfs4_xdr_enc_access(struct rpc_rqst *req, uint32_t *p, const struct nfs4_accessargs *args) +static int nfs4_xdr_enc_access(struct rpc_rqst *req, __be32 *p, const struct nfs4_accessargs *args) { struct xdr_stream xdr; struct compound_hdr hdr = { @@ -1313,7 +1313,7 @@ static int nfs4_xdr_enc_access(struct rpc_rqst *req, uint32_t *p, const struct n /* * Encode LOOKUP request */ -static int nfs4_xdr_enc_lookup(struct rpc_rqst *req, uint32_t *p, const struct nfs4_lookup_arg *args) +static int nfs4_xdr_enc_lookup(struct rpc_rqst *req, __be32 *p, const struct nfs4_lookup_arg *args) { struct xdr_stream xdr; struct compound_hdr hdr = { @@ -1337,7 +1337,7 @@ out: /* * Encode LOOKUP_ROOT request */ -static int nfs4_xdr_enc_lookup_root(struct rpc_rqst *req, uint32_t *p, const struct nfs4_lookup_root_arg *args) +static int nfs4_xdr_enc_lookup_root(struct rpc_rqst *req, __be32 *p, const struct nfs4_lookup_root_arg *args) { struct xdr_stream xdr; struct compound_hdr hdr = { @@ -1358,7 +1358,7 @@ out: /* * Encode REMOVE request */ -static int nfs4_xdr_enc_remove(struct rpc_rqst *req, uint32_t *p, const struct nfs4_remove_arg *args) +static int nfs4_xdr_enc_remove(struct rpc_rqst *req, __be32 *p, const struct nfs4_remove_arg *args) { struct xdr_stream xdr; struct compound_hdr hdr = { @@ -1380,7 +1380,7 @@ out: /* * Encode RENAME request */ -static int nfs4_xdr_enc_rename(struct rpc_rqst *req, uint32_t *p, const struct nfs4_rename_arg *args) +static int nfs4_xdr_enc_rename(struct rpc_rqst *req, __be32 *p, const struct nfs4_rename_arg *args) { struct xdr_stream xdr; struct compound_hdr hdr = { @@ -1410,7 +1410,7 @@ out: /* * Encode LINK request */ -static int nfs4_xdr_enc_link(struct rpc_rqst *req, uint32_t *p, const struct nfs4_link_arg *args) +static int nfs4_xdr_enc_link(struct rpc_rqst *req, __be32 *p, const struct nfs4_link_arg *args) { struct xdr_stream xdr; struct compound_hdr hdr = { @@ -1440,7 +1440,7 @@ out: /* * Encode CREATE request */ -static int nfs4_xdr_enc_create(struct rpc_rqst *req, uint32_t *p, const struct nfs4_create_arg *args) +static int nfs4_xdr_enc_create(struct rpc_rqst *req, __be32 *p, const struct nfs4_create_arg *args) { struct xdr_stream xdr; struct compound_hdr hdr = { @@ -1470,7 +1470,7 @@ out: /* * Encode SYMLINK request */ -static int nfs4_xdr_enc_symlink(struct rpc_rqst *req, uint32_t *p, const struct nfs4_create_arg *args) +static int nfs4_xdr_enc_symlink(struct rpc_rqst *req, __be32 *p, const struct nfs4_create_arg *args) { return nfs4_xdr_enc_create(req, p, args); } @@ -1478,7 +1478,7 @@ static int nfs4_xdr_enc_symlink(struct rpc_rqst *req, uint32_t *p, const struct /* * Encode GETATTR request */ -static int nfs4_xdr_enc_getattr(struct rpc_rqst *req, uint32_t *p, const struct nfs4_getattr_arg *args) +static int nfs4_xdr_enc_getattr(struct rpc_rqst *req, __be32 *p, const struct nfs4_getattr_arg *args) { struct xdr_stream xdr; struct compound_hdr hdr = { @@ -1496,7 +1496,7 @@ static int nfs4_xdr_enc_getattr(struct rpc_rqst *req, uint32_t *p, const struct /* * Encode a CLOSE request */ -static int nfs4_xdr_enc_close(struct rpc_rqst *req, uint32_t *p, struct nfs_closeargs *args) +static int nfs4_xdr_enc_close(struct rpc_rqst *req, __be32 *p, struct nfs_closeargs *args) { struct xdr_stream xdr; struct compound_hdr hdr = { @@ -1520,7 +1520,7 @@ out: /* * Encode an OPEN request */ -static int nfs4_xdr_enc_open(struct rpc_rqst *req, uint32_t *p, struct nfs_openargs *args) +static int nfs4_xdr_enc_open(struct rpc_rqst *req, __be32 *p, struct nfs_openargs *args) { struct xdr_stream xdr; struct compound_hdr hdr = { @@ -1556,7 +1556,7 @@ out: /* * Encode an OPEN_CONFIRM request */ -static int nfs4_xdr_enc_open_confirm(struct rpc_rqst *req, uint32_t *p, struct nfs_open_confirmargs *args) +static int nfs4_xdr_enc_open_confirm(struct rpc_rqst *req, __be32 *p, struct nfs_open_confirmargs *args) { struct xdr_stream xdr; struct compound_hdr hdr = { @@ -1577,7 +1577,7 @@ out: /* * Encode an OPEN request with no attributes. */ -static int nfs4_xdr_enc_open_noattr(struct rpc_rqst *req, uint32_t *p, struct nfs_openargs *args) +static int nfs4_xdr_enc_open_noattr(struct rpc_rqst *req, __be32 *p, struct nfs_openargs *args) { struct xdr_stream xdr; struct compound_hdr hdr = { @@ -1601,7 +1601,7 @@ out: /* * Encode an OPEN_DOWNGRADE request */ -static int nfs4_xdr_enc_open_downgrade(struct rpc_rqst *req, uint32_t *p, struct nfs_closeargs *args) +static int nfs4_xdr_enc_open_downgrade(struct rpc_rqst *req, __be32 *p, struct nfs_closeargs *args) { struct xdr_stream xdr; struct compound_hdr hdr = { @@ -1625,7 +1625,7 @@ out: /* * Encode a LOCK request */ -static int nfs4_xdr_enc_lock(struct rpc_rqst *req, uint32_t *p, struct nfs_lock_args *args) +static int nfs4_xdr_enc_lock(struct rpc_rqst *req, __be32 *p, struct nfs_lock_args *args) { struct xdr_stream xdr; struct compound_hdr hdr = { @@ -1646,7 +1646,7 @@ out: /* * Encode a LOCKT request */ -static int nfs4_xdr_enc_lockt(struct rpc_rqst *req, uint32_t *p, struct nfs_lockt_args *args) +static int nfs4_xdr_enc_lockt(struct rpc_rqst *req, __be32 *p, struct nfs_lockt_args *args) { struct xdr_stream xdr; struct compound_hdr hdr = { @@ -1667,7 +1667,7 @@ out: /* * Encode a LOCKU request */ -static int nfs4_xdr_enc_locku(struct rpc_rqst *req, uint32_t *p, struct nfs_locku_args *args) +static int nfs4_xdr_enc_locku(struct rpc_rqst *req, __be32 *p, struct nfs_locku_args *args) { struct xdr_stream xdr; struct compound_hdr hdr = { @@ -1688,7 +1688,7 @@ out: /* * Encode a READLINK request */ -static int nfs4_xdr_enc_readlink(struct rpc_rqst *req, uint32_t *p, const struct nfs4_readlink *args) +static int nfs4_xdr_enc_readlink(struct rpc_rqst *req, __be32 *p, const struct nfs4_readlink *args) { struct xdr_stream xdr; struct compound_hdr hdr = { @@ -1709,7 +1709,7 @@ out: /* * Encode a READDIR request */ -static int nfs4_xdr_enc_readdir(struct rpc_rqst *req, uint32_t *p, const struct nfs4_readdir_arg *args) +static int nfs4_xdr_enc_readdir(struct rpc_rqst *req, __be32 *p, const struct nfs4_readdir_arg *args) { struct xdr_stream xdr; struct compound_hdr hdr = { @@ -1730,7 +1730,7 @@ out: /* * Encode a READ request */ -static int nfs4_xdr_enc_read(struct rpc_rqst *req, uint32_t *p, struct nfs_readargs *args) +static int nfs4_xdr_enc_read(struct rpc_rqst *req, __be32 *p, struct nfs_readargs *args) { struct rpc_auth *auth = req->rq_task->tk_auth; struct xdr_stream xdr; @@ -1762,7 +1762,7 @@ out: /* * Encode an SETATTR request */ -static int nfs4_xdr_enc_setattr(struct rpc_rqst *req, uint32_t *p, struct nfs_setattrargs *args) +static int nfs4_xdr_enc_setattr(struct rpc_rqst *req, __be32 *p, struct nfs_setattrargs *args) { struct xdr_stream xdr; @@ -1788,7 +1788,7 @@ out: * Encode a GETACL request */ static int -nfs4_xdr_enc_getacl(struct rpc_rqst *req, uint32_t *p, +nfs4_xdr_enc_getacl(struct rpc_rqst *req, __be32 *p, struct nfs_getaclargs *args) { struct xdr_stream xdr; @@ -1815,7 +1815,7 @@ out: /* * Encode a WRITE request */ -static int nfs4_xdr_enc_write(struct rpc_rqst *req, uint32_t *p, struct nfs_writeargs *args) +static int nfs4_xdr_enc_write(struct rpc_rqst *req, __be32 *p, struct nfs_writeargs *args) { struct xdr_stream xdr; struct compound_hdr hdr = { @@ -1839,7 +1839,7 @@ out: /* * a COMMIT request */ -static int nfs4_xdr_enc_commit(struct rpc_rqst *req, uint32_t *p, struct nfs_writeargs *args) +static int nfs4_xdr_enc_commit(struct rpc_rqst *req, __be32 *p, struct nfs_writeargs *args) { struct xdr_stream xdr; struct compound_hdr hdr = { @@ -1863,7 +1863,7 @@ out: /* * FSINFO request */ -static int nfs4_xdr_enc_fsinfo(struct rpc_rqst *req, uint32_t *p, struct nfs4_fsinfo_arg *args) +static int nfs4_xdr_enc_fsinfo(struct rpc_rqst *req, __be32 *p, struct nfs4_fsinfo_arg *args) { struct xdr_stream xdr; struct compound_hdr hdr = { @@ -1882,7 +1882,7 @@ static int nfs4_xdr_enc_fsinfo(struct rpc_rqst *req, uint32_t *p, struct nfs4_fs /* * a PATHCONF request */ -static int nfs4_xdr_enc_pathconf(struct rpc_rqst *req, uint32_t *p, const struct nfs4_pathconf_arg *args) +static int nfs4_xdr_enc_pathconf(struct rpc_rqst *req, __be32 *p, const struct nfs4_pathconf_arg *args) { struct xdr_stream xdr; struct compound_hdr hdr = { @@ -1902,7 +1902,7 @@ static int nfs4_xdr_enc_pathconf(struct rpc_rqst *req, uint32_t *p, const struct /* * a STATFS request */ -static int nfs4_xdr_enc_statfs(struct rpc_rqst *req, uint32_t *p, const struct nfs4_statfs_arg *args) +static int nfs4_xdr_enc_statfs(struct rpc_rqst *req, __be32 *p, const struct nfs4_statfs_arg *args) { struct xdr_stream xdr; struct compound_hdr hdr = { @@ -1923,7 +1923,7 @@ static int nfs4_xdr_enc_statfs(struct rpc_rqst *req, uint32_t *p, const struct n /* * GETATTR_BITMAP request */ -static int nfs4_xdr_enc_server_caps(struct rpc_rqst *req, uint32_t *p, const struct nfs_fh *fhandle) +static int nfs4_xdr_enc_server_caps(struct rpc_rqst *req, __be32 *p, const struct nfs_fh *fhandle) { struct xdr_stream xdr; struct compound_hdr hdr = { @@ -1945,7 +1945,7 @@ static int nfs4_xdr_enc_server_caps(struct rpc_rqst *req, uint32_t *p, const str /* * a RENEW request */ -static int nfs4_xdr_enc_renew(struct rpc_rqst *req, uint32_t *p, struct nfs_client *clp) +static int nfs4_xdr_enc_renew(struct rpc_rqst *req, __be32 *p, struct nfs_client *clp) { struct xdr_stream xdr; struct compound_hdr hdr = { @@ -1960,7 +1960,7 @@ static int nfs4_xdr_enc_renew(struct rpc_rqst *req, uint32_t *p, struct nfs_clie /* * a SETCLIENTID request */ -static int nfs4_xdr_enc_setclientid(struct rpc_rqst *req, uint32_t *p, struct nfs4_setclientid *sc) +static int nfs4_xdr_enc_setclientid(struct rpc_rqst *req, __be32 *p, struct nfs4_setclientid *sc) { struct xdr_stream xdr; struct compound_hdr hdr = { @@ -1975,7 +1975,7 @@ static int nfs4_xdr_enc_setclientid(struct rpc_rqst *req, uint32_t *p, struct nf /* * a SETCLIENTID_CONFIRM request */ -static int nfs4_xdr_enc_setclientid_confirm(struct rpc_rqst *req, uint32_t *p, struct nfs_client *clp) +static int nfs4_xdr_enc_setclientid_confirm(struct rpc_rqst *req, __be32 *p, struct nfs_client *clp) { struct xdr_stream xdr; struct compound_hdr hdr = { @@ -1997,7 +1997,7 @@ static int nfs4_xdr_enc_setclientid_confirm(struct rpc_rqst *req, uint32_t *p, s /* * DELEGRETURN request */ -static int nfs4_xdr_enc_delegreturn(struct rpc_rqst *req, uint32_t *p, const struct nfs4_delegreturnargs *args) +static int nfs4_xdr_enc_delegreturn(struct rpc_rqst *req, __be32 *p, const struct nfs4_delegreturnargs *args) { struct xdr_stream xdr; struct compound_hdr hdr = { @@ -2021,7 +2021,7 @@ out: /* * Encode FS_LOCATIONS request */ -static int nfs4_xdr_enc_fs_locations(struct rpc_rqst *req, uint32_t *p, struct nfs4_fs_locations_arg *args) +static int nfs4_xdr_enc_fs_locations(struct rpc_rqst *req, __be32 *p, struct nfs4_fs_locations_arg *args) { struct xdr_stream xdr; struct compound_hdr hdr = { @@ -2086,7 +2086,7 @@ out: static int decode_opaque_inline(struct xdr_stream *xdr, unsigned int *len, char **string) { - uint32_t *p; + __be32 *p; READ_BUF(4); READ32(*len); @@ -2097,7 +2097,7 @@ static int decode_opaque_inline(struct xdr_stream *xdr, unsigned int *len, char static int decode_compound_hdr(struct xdr_stream *xdr, struct compound_hdr *hdr) { - uint32_t *p; + __be32 *p; READ_BUF(8); READ32(hdr->status); @@ -2112,7 +2112,7 @@ static int decode_compound_hdr(struct xdr_stream *xdr, struct compound_hdr *hdr) static int decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected) { - uint32_t *p; + __be32 *p; uint32_t opnum; int32_t nfserr; @@ -2134,7 +2134,7 @@ static int decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected) /* Dummy routine */ static int decode_ace(struct xdr_stream *xdr, void *ace, struct nfs_client *clp) { - uint32_t *p; + __be32 *p; unsigned int strlen; char *str; @@ -2144,7 +2144,8 @@ static int decode_ace(struct xdr_stream *xdr, void *ace, struct nfs_client *clp) static int decode_attr_bitmap(struct xdr_stream *xdr, uint32_t *bitmap) { - uint32_t bmlen, *p; + uint32_t bmlen; + __be32 *p; READ_BUF(4); READ32(bmlen); @@ -2159,9 +2160,9 @@ static int decode_attr_bitmap(struct xdr_stream *xdr, uint32_t *bitmap) return 0; } -static inline int decode_attr_length(struct xdr_stream *xdr, uint32_t *attrlen, uint32_t **savep) +static inline int decode_attr_length(struct xdr_stream *xdr, uint32_t *attrlen, __be32 **savep) { - uint32_t *p; + __be32 *p; READ_BUF(4); READ32(*attrlen); @@ -2182,7 +2183,7 @@ static int decode_attr_supported(struct xdr_stream *xdr, uint32_t *bitmap, uint3 static int decode_attr_type(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *type) { - uint32_t *p; + __be32 *p; *type = 0; if (unlikely(bitmap[0] & (FATTR4_WORD0_TYPE - 1U))) @@ -2202,7 +2203,7 @@ static int decode_attr_type(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t * static int decode_attr_change(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *change) { - uint32_t *p; + __be32 *p; *change = 0; if (unlikely(bitmap[0] & (FATTR4_WORD0_CHANGE - 1U))) @@ -2219,7 +2220,7 @@ static int decode_attr_change(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t static int decode_attr_size(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *size) { - uint32_t *p; + __be32 *p; *size = 0; if (unlikely(bitmap[0] & (FATTR4_WORD0_SIZE - 1U))) @@ -2235,7 +2236,7 @@ static int decode_attr_size(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t * static int decode_attr_link_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) { - uint32_t *p; + __be32 *p; *res = 0; if (unlikely(bitmap[0] & (FATTR4_WORD0_LINK_SUPPORT - 1U))) @@ -2251,7 +2252,7 @@ static int decode_attr_link_support(struct xdr_stream *xdr, uint32_t *bitmap, ui static int decode_attr_symlink_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) { - uint32_t *p; + __be32 *p; *res = 0; if (unlikely(bitmap[0] & (FATTR4_WORD0_SYMLINK_SUPPORT - 1U))) @@ -2267,7 +2268,7 @@ static int decode_attr_symlink_support(struct xdr_stream *xdr, uint32_t *bitmap, static int decode_attr_fsid(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fsid *fsid) { - uint32_t *p; + __be32 *p; fsid->major = 0; fsid->minor = 0; @@ -2287,7 +2288,7 @@ static int decode_attr_fsid(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs static int decode_attr_lease_time(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) { - uint32_t *p; + __be32 *p; *res = 60; if (unlikely(bitmap[0] & (FATTR4_WORD0_LEASE_TIME - 1U))) @@ -2303,7 +2304,7 @@ static int decode_attr_lease_time(struct xdr_stream *xdr, uint32_t *bitmap, uint static int decode_attr_aclsupport(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) { - uint32_t *p; + __be32 *p; *res = ACL4_SUPPORT_ALLOW_ACL|ACL4_SUPPORT_DENY_ACL; if (unlikely(bitmap[0] & (FATTR4_WORD0_ACLSUPPORT - 1U))) @@ -2319,7 +2320,7 @@ static int decode_attr_aclsupport(struct xdr_stream *xdr, uint32_t *bitmap, uint static int decode_attr_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) { - uint32_t *p; + __be32 *p; *fileid = 0; if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEID - 1U))) @@ -2335,7 +2336,7 @@ static int decode_attr_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t static int decode_attr_mounted_on_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) { - uint32_t *p; + __be32 *p; *fileid = 0; if (unlikely(bitmap[1] & (FATTR4_WORD1_MOUNTED_ON_FILEID - 1U))) @@ -2351,7 +2352,7 @@ static int decode_attr_mounted_on_fileid(struct xdr_stream *xdr, uint32_t *bitma static int decode_attr_files_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) { - uint32_t *p; + __be32 *p; int status = 0; *res = 0; @@ -2368,7 +2369,7 @@ static int decode_attr_files_avail(struct xdr_stream *xdr, uint32_t *bitmap, uin static int decode_attr_files_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) { - uint32_t *p; + __be32 *p; int status = 0; *res = 0; @@ -2385,7 +2386,7 @@ static int decode_attr_files_free(struct xdr_stream *xdr, uint32_t *bitmap, uint static int decode_attr_files_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) { - uint32_t *p; + __be32 *p; int status = 0; *res = 0; @@ -2403,7 +2404,7 @@ static int decode_attr_files_total(struct xdr_stream *xdr, uint32_t *bitmap, uin static int decode_pathname(struct xdr_stream *xdr, struct nfs4_pathname *path) { int n; - uint32_t *p; + __be32 *p; int status = 0; READ_BUF(4); @@ -2448,7 +2449,7 @@ out_eio: static int decode_attr_fs_locations(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs4_fs_locations *res) { int n; - uint32_t *p; + __be32 *p; int status = -EIO; if (unlikely(bitmap[0] & (FATTR4_WORD0_FS_LOCATIONS -1U))) @@ -2512,7 +2513,7 @@ out_eio: static int decode_attr_maxfilesize(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) { - uint32_t *p; + __be32 *p; int status = 0; *res = 0; @@ -2529,7 +2530,7 @@ static int decode_attr_maxfilesize(struct xdr_stream *xdr, uint32_t *bitmap, uin static int decode_attr_maxlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxlink) { - uint32_t *p; + __be32 *p; int status = 0; *maxlink = 1; @@ -2546,7 +2547,7 @@ static int decode_attr_maxlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_ static int decode_attr_maxname(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxname) { - uint32_t *p; + __be32 *p; int status = 0; *maxname = 1024; @@ -2563,7 +2564,7 @@ static int decode_attr_maxname(struct xdr_stream *xdr, uint32_t *bitmap, uint32_ static int decode_attr_maxread(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) { - uint32_t *p; + __be32 *p; int status = 0; *res = 1024; @@ -2584,7 +2585,7 @@ static int decode_attr_maxread(struct xdr_stream *xdr, uint32_t *bitmap, uint32_ static int decode_attr_maxwrite(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) { - uint32_t *p; + __be32 *p; int status = 0; *res = 1024; @@ -2605,7 +2606,7 @@ static int decode_attr_maxwrite(struct xdr_stream *xdr, uint32_t *bitmap, uint32 static int decode_attr_mode(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *mode) { - uint32_t *p; + __be32 *p; *mode = 0; if (unlikely(bitmap[1] & (FATTR4_WORD1_MODE - 1U))) @@ -2622,7 +2623,7 @@ static int decode_attr_mode(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t * static int decode_attr_nlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *nlink) { - uint32_t *p; + __be32 *p; *nlink = 1; if (unlikely(bitmap[1] & (FATTR4_WORD1_NUMLINKS - 1U))) @@ -2638,7 +2639,8 @@ static int decode_attr_nlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_client *clp, int32_t *uid) { - uint32_t len, *p; + uint32_t len; + __be32 *p; *uid = -2; if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER - 1U))) @@ -2662,7 +2664,8 @@ static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap, struct nf static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_client *clp, int32_t *gid) { - uint32_t len, *p; + uint32_t len; + __be32 *p; *gid = -2; if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER_GROUP - 1U))) @@ -2686,7 +2689,8 @@ static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap, struct nf static int decode_attr_rdev(struct xdr_stream *xdr, uint32_t *bitmap, dev_t *rdev) { - uint32_t major = 0, minor = 0, *p; + uint32_t major = 0, minor = 0; + __be32 *p; *rdev = MKDEV(0,0); if (unlikely(bitmap[1] & (FATTR4_WORD1_RAWDEV - 1U))) @@ -2708,7 +2712,7 @@ static int decode_attr_rdev(struct xdr_stream *xdr, uint32_t *bitmap, dev_t *rde static int decode_attr_space_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) { - uint32_t *p; + __be32 *p; int status = 0; *res = 0; @@ -2725,7 +2729,7 @@ static int decode_attr_space_avail(struct xdr_stream *xdr, uint32_t *bitmap, uin static int decode_attr_space_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) { - uint32_t *p; + __be32 *p; int status = 0; *res = 0; @@ -2742,7 +2746,7 @@ static int decode_attr_space_free(struct xdr_stream *xdr, uint32_t *bitmap, uint static int decode_attr_space_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) { - uint32_t *p; + __be32 *p; int status = 0; *res = 0; @@ -2759,7 +2763,7 @@ static int decode_attr_space_total(struct xdr_stream *xdr, uint32_t *bitmap, uin static int decode_attr_space_used(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *used) { - uint32_t *p; + __be32 *p; *used = 0; if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_USED - 1U))) @@ -2776,7 +2780,7 @@ static int decode_attr_space_used(struct xdr_stream *xdr, uint32_t *bitmap, uint static int decode_attr_time(struct xdr_stream *xdr, struct timespec *time) { - uint32_t *p; + __be32 *p; uint64_t sec; uint32_t nsec; @@ -2836,7 +2840,7 @@ static int decode_attr_time_modify(struct xdr_stream *xdr, uint32_t *bitmap, str return status; } -static int verify_attr_len(struct xdr_stream *xdr, uint32_t *savep, uint32_t attrlen) +static int verify_attr_len(struct xdr_stream *xdr, __be32 *savep, uint32_t attrlen) { unsigned int attrwords = XDR_QUADLEN(attrlen); unsigned int nwords = xdr->p - savep; @@ -2854,7 +2858,7 @@ static int verify_attr_len(struct xdr_stream *xdr, uint32_t *savep, uint32_t att static int decode_change_info(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) { - uint32_t *p; + __be32 *p; READ_BUF(20); READ32(cinfo->atomic); @@ -2865,7 +2869,7 @@ static int decode_change_info(struct xdr_stream *xdr, struct nfs4_change_info *c static int decode_access(struct xdr_stream *xdr, struct nfs4_accessres *access) { - uint32_t *p; + __be32 *p; uint32_t supp, acc; int status; @@ -2882,7 +2886,7 @@ static int decode_access(struct xdr_stream *xdr, struct nfs4_accessres *access) static int decode_close(struct xdr_stream *xdr, struct nfs_closeres *res) { - uint32_t *p; + __be32 *p; int status; status = decode_op_hdr(xdr, OP_CLOSE); @@ -2895,7 +2899,7 @@ static int decode_close(struct xdr_stream *xdr, struct nfs_closeres *res) static int decode_commit(struct xdr_stream *xdr, struct nfs_writeres *res) { - uint32_t *p; + __be32 *p; int status; status = decode_op_hdr(xdr, OP_COMMIT); @@ -2908,7 +2912,7 @@ static int decode_commit(struct xdr_stream *xdr, struct nfs_writeres *res) static int decode_create(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) { - uint32_t *p; + __be32 *p; uint32_t bmlen; int status; @@ -2925,7 +2929,7 @@ static int decode_create(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) static int decode_server_caps(struct xdr_stream *xdr, struct nfs4_server_caps_res *res) { - uint32_t *savep; + __be32 *savep; uint32_t attrlen, bitmap[2] = {0}; int status; @@ -2952,7 +2956,7 @@ xdr_error: static int decode_statfs(struct xdr_stream *xdr, struct nfs_fsstat *fsstat) { - uint32_t *savep; + __be32 *savep; uint32_t attrlen, bitmap[2] = {0}; int status; @@ -2985,7 +2989,7 @@ xdr_error: static int decode_pathconf(struct xdr_stream *xdr, struct nfs_pathconf *pathconf) { - uint32_t *savep; + __be32 *savep; uint32_t attrlen, bitmap[2] = {0}; int status; @@ -3010,7 +3014,7 @@ xdr_error: static int decode_getfattr(struct xdr_stream *xdr, struct nfs_fattr *fattr, const struct nfs_server *server) { - uint32_t *savep; + __be32 *savep; uint32_t attrlen, bitmap[2] = {0}, type; @@ -3079,7 +3083,7 @@ xdr_error: static int decode_fsinfo(struct xdr_stream *xdr, struct nfs_fsinfo *fsinfo) { - uint32_t *savep; + __be32 *savep; uint32_t attrlen, bitmap[2]; int status; @@ -3111,7 +3115,7 @@ xdr_error: static int decode_getfh(struct xdr_stream *xdr, struct nfs_fh *fh) { - uint32_t *p; + __be32 *p; uint32_t len; int status; @@ -3147,7 +3151,7 @@ static int decode_link(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) static int decode_lock_denied (struct xdr_stream *xdr, struct file_lock *fl) { uint64_t offset, length, clientid; - uint32_t *p; + __be32 *p; uint32_t namelen, type; READ_BUF(32); @@ -3172,7 +3176,7 @@ static int decode_lock_denied (struct xdr_stream *xdr, struct file_lock *fl) static int decode_lock(struct xdr_stream *xdr, struct nfs_lock_res *res) { - uint32_t *p; + __be32 *p; int status; status = decode_op_hdr(xdr, OP_LOCK); @@ -3195,7 +3199,7 @@ static int decode_lockt(struct xdr_stream *xdr, struct nfs_lockt_res *res) static int decode_locku(struct xdr_stream *xdr, struct nfs_locku_res *res) { - uint32_t *p; + __be32 *p; int status; status = decode_op_hdr(xdr, OP_LOCKU); @@ -3214,7 +3218,7 @@ static int decode_lookup(struct xdr_stream *xdr) /* This is too sick! */ static int decode_space_limit(struct xdr_stream *xdr, u64 *maxsize) { - uint32_t *p; + __be32 *p; uint32_t limit_type, nblocks, blocksize; READ_BUF(12); @@ -3233,7 +3237,7 @@ static int decode_space_limit(struct xdr_stream *xdr, u64 *maxsize) static int decode_delegation(struct xdr_stream *xdr, struct nfs_openres *res) { - uint32_t *p; + __be32 *p; uint32_t delegation_type; READ_BUF(4); @@ -3259,7 +3263,7 @@ static int decode_delegation(struct xdr_stream *xdr, struct nfs_openres *res) static int decode_open(struct xdr_stream *xdr, struct nfs_openres *res) { - uint32_t *p; + __be32 *p; uint32_t bmlen; int status; @@ -3287,7 +3291,7 @@ xdr_error: static int decode_open_confirm(struct xdr_stream *xdr, struct nfs_open_confirmres *res) { - uint32_t *p; + __be32 *p; int status; status = decode_op_hdr(xdr, OP_OPEN_CONFIRM); @@ -3300,7 +3304,7 @@ static int decode_open_confirm(struct xdr_stream *xdr, struct nfs_open_confirmre static int decode_open_downgrade(struct xdr_stream *xdr, struct nfs_closeres *res) { - uint32_t *p; + __be32 *p; int status; status = decode_op_hdr(xdr, OP_OPEN_DOWNGRADE); @@ -3324,7 +3328,7 @@ static int decode_putrootfh(struct xdr_stream *xdr) static int decode_read(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs_readres *res) { struct kvec *iov = req->rq_rcv_buf.head; - uint32_t *p; + __be32 *p; uint32_t count, eof, recvd, hdrlen; int status; @@ -3354,7 +3358,7 @@ static int decode_readdir(struct xdr_stream *xdr, struct rpc_rqst *req, struct n struct page *page = *rcvbuf->pages; struct kvec *iov = rcvbuf->head; unsigned int nr, pglen = rcvbuf->page_len; - uint32_t *end, *entry, *p, *kaddr; + __be32 *end, *entry, *p, *kaddr; uint32_t len, attrlen, xlen; int hdrlen, recvd, status; @@ -3376,7 +3380,7 @@ static int decode_readdir(struct xdr_stream *xdr, struct rpc_rqst *req, struct n xdr_read_pages(xdr, pglen); BUG_ON(pglen + readdir->pgbase > PAGE_CACHE_SIZE); - kaddr = p = (uint32_t *) kmap_atomic(page, KM_USER0); + kaddr = p = kmap_atomic(page, KM_USER0); end = p + ((pglen + readdir->pgbase) >> 2); entry = p; for (nr = 0; *p++; nr++) { @@ -3428,7 +3432,7 @@ static int decode_readlink(struct xdr_stream *xdr, struct rpc_rqst *req) struct xdr_buf *rcvbuf = &req->rq_rcv_buf; struct kvec *iov = rcvbuf->head; int hdrlen, len, recvd; - uint32_t *p; + __be32 *p; char *kaddr; int status; @@ -3505,7 +3509,7 @@ decode_restorefh(struct xdr_stream *xdr) static int decode_getacl(struct xdr_stream *xdr, struct rpc_rqst *req, size_t *acl_len) { - uint32_t *savep; + __be32 *savep; uint32_t attrlen, bitmap[2] = {0}; struct kvec *iov = req->rq_rcv_buf.head; @@ -3551,7 +3555,7 @@ decode_savefh(struct xdr_stream *xdr) static int decode_setattr(struct xdr_stream *xdr, struct nfs_setattrres *res) { - uint32_t *p; + __be32 *p; uint32_t bmlen; int status; @@ -3567,7 +3571,7 @@ static int decode_setattr(struct xdr_stream *xdr, struct nfs_setattrres *res) static int decode_setclientid(struct xdr_stream *xdr, struct nfs_client *clp) { - uint32_t *p; + __be32 *p; uint32_t opnum; int32_t nfserr; @@ -3610,7 +3614,7 @@ static int decode_setclientid_confirm(struct xdr_stream *xdr) static int decode_write(struct xdr_stream *xdr, struct nfs_writeres *res) { - uint32_t *p; + __be32 *p; int status; status = decode_op_hdr(xdr, OP_WRITE); @@ -3632,7 +3636,7 @@ static int decode_delegreturn(struct xdr_stream *xdr) /* * Decode OPEN_DOWNGRADE response */ -static int nfs4_xdr_dec_open_downgrade(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_closeres *res) +static int nfs4_xdr_dec_open_downgrade(struct rpc_rqst *rqstp, __be32 *p, struct nfs_closeres *res) { struct xdr_stream xdr; struct compound_hdr hdr; @@ -3660,7 +3664,7 @@ out: /* * Decode ACCESS response */ -static int nfs4_xdr_dec_access(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_accessres *res) +static int nfs4_xdr_dec_access(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_accessres *res) { struct xdr_stream xdr; struct compound_hdr hdr; @@ -3678,7 +3682,7 @@ out: /* * Decode LOOKUP response */ -static int nfs4_xdr_dec_lookup(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_lookup_res *res) +static int nfs4_xdr_dec_lookup(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_lookup_res *res) { struct xdr_stream xdr; struct compound_hdr hdr; @@ -3701,7 +3705,7 @@ out: /* * Decode LOOKUP_ROOT response */ -static int nfs4_xdr_dec_lookup_root(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_lookup_res *res) +static int nfs4_xdr_dec_lookup_root(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_lookup_res *res) { struct xdr_stream xdr; struct compound_hdr hdr; @@ -3721,7 +3725,7 @@ out: /* * Decode REMOVE response */ -static int nfs4_xdr_dec_remove(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_remove_res *res) +static int nfs4_xdr_dec_remove(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_remove_res *res) { struct xdr_stream xdr; struct compound_hdr hdr; @@ -3742,7 +3746,7 @@ out: /* * Decode RENAME response */ -static int nfs4_xdr_dec_rename(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_rename_res *res) +static int nfs4_xdr_dec_rename(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_rename_res *res) { struct xdr_stream xdr; struct compound_hdr hdr; @@ -3772,7 +3776,7 @@ out: /* * Decode LINK response */ -static int nfs4_xdr_dec_link(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_link_res *res) +static int nfs4_xdr_dec_link(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_link_res *res) { struct xdr_stream xdr; struct compound_hdr hdr; @@ -3805,7 +3809,7 @@ out: /* * Decode CREATE response */ -static int nfs4_xdr_dec_create(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_create_res *res) +static int nfs4_xdr_dec_create(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_create_res *res) { struct xdr_stream xdr; struct compound_hdr hdr; @@ -3834,7 +3838,7 @@ out: /* * Decode SYMLINK response */ -static int nfs4_xdr_dec_symlink(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_create_res *res) +static int nfs4_xdr_dec_symlink(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_create_res *res) { return nfs4_xdr_dec_create(rqstp, p, res); } @@ -3842,7 +3846,7 @@ static int nfs4_xdr_dec_symlink(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4 /* * Decode GETATTR response */ -static int nfs4_xdr_dec_getattr(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_getattr_res *res) +static int nfs4_xdr_dec_getattr(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_getattr_res *res) { struct xdr_stream xdr; struct compound_hdr hdr; @@ -3865,7 +3869,7 @@ out: * Encode an SETACL request */ static int -nfs4_xdr_enc_setacl(struct rpc_rqst *req, uint32_t *p, struct nfs_setaclargs *args) +nfs4_xdr_enc_setacl(struct rpc_rqst *req, __be32 *p, struct nfs_setaclargs *args) { struct xdr_stream xdr; struct compound_hdr hdr = { @@ -3886,7 +3890,7 @@ out: * Decode SETACL response */ static int -nfs4_xdr_dec_setacl(struct rpc_rqst *rqstp, uint32_t *p, void *res) +nfs4_xdr_dec_setacl(struct rpc_rqst *rqstp, __be32 *p, void *res) { struct xdr_stream xdr; struct compound_hdr hdr; @@ -3908,7 +3912,7 @@ out: * Decode GETACL response */ static int -nfs4_xdr_dec_getacl(struct rpc_rqst *rqstp, uint32_t *p, size_t *acl_len) +nfs4_xdr_dec_getacl(struct rpc_rqst *rqstp, __be32 *p, size_t *acl_len) { struct xdr_stream xdr; struct compound_hdr hdr; @@ -3930,7 +3934,7 @@ out: /* * Decode CLOSE response */ -static int nfs4_xdr_dec_close(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_closeres *res) +static int nfs4_xdr_dec_close(struct rpc_rqst *rqstp, __be32 *p, struct nfs_closeres *res) { struct xdr_stream xdr; struct compound_hdr hdr; @@ -3960,7 +3964,7 @@ out: /* * Decode OPEN response */ -static int nfs4_xdr_dec_open(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_openres *res) +static int nfs4_xdr_dec_open(struct rpc_rqst *rqstp, __be32 *p, struct nfs_openres *res) { struct xdr_stream xdr; struct compound_hdr hdr; @@ -3994,7 +3998,7 @@ out: /* * Decode OPEN_CONFIRM response */ -static int nfs4_xdr_dec_open_confirm(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_open_confirmres *res) +static int nfs4_xdr_dec_open_confirm(struct rpc_rqst *rqstp, __be32 *p, struct nfs_open_confirmres *res) { struct xdr_stream xdr; struct compound_hdr hdr; @@ -4015,7 +4019,7 @@ out: /* * Decode OPEN response */ -static int nfs4_xdr_dec_open_noattr(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_openres *res) +static int nfs4_xdr_dec_open_noattr(struct rpc_rqst *rqstp, __be32 *p, struct nfs_openres *res) { struct xdr_stream xdr; struct compound_hdr hdr; @@ -4039,7 +4043,7 @@ out: /* * Decode SETATTR response */ -static int nfs4_xdr_dec_setattr(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_setattrres *res) +static int nfs4_xdr_dec_setattr(struct rpc_rqst *rqstp, __be32 *p, struct nfs_setattrres *res) { struct xdr_stream xdr; struct compound_hdr hdr; @@ -4065,7 +4069,7 @@ out: /* * Decode LOCK response */ -static int nfs4_xdr_dec_lock(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_lock_res *res) +static int nfs4_xdr_dec_lock(struct rpc_rqst *rqstp, __be32 *p, struct nfs_lock_res *res) { struct xdr_stream xdr; struct compound_hdr hdr; @@ -4086,7 +4090,7 @@ out: /* * Decode LOCKT response */ -static int nfs4_xdr_dec_lockt(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_lockt_res *res) +static int nfs4_xdr_dec_lockt(struct rpc_rqst *rqstp, __be32 *p, struct nfs_lockt_res *res) { struct xdr_stream xdr; struct compound_hdr hdr; @@ -4107,7 +4111,7 @@ out: /* * Decode LOCKU response */ -static int nfs4_xdr_dec_locku(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_locku_res *res) +static int nfs4_xdr_dec_locku(struct rpc_rqst *rqstp, __be32 *p, struct nfs_locku_res *res) { struct xdr_stream xdr; struct compound_hdr hdr; @@ -4128,7 +4132,7 @@ out: /* * Decode READLINK response */ -static int nfs4_xdr_dec_readlink(struct rpc_rqst *rqstp, uint32_t *p, void *res) +static int nfs4_xdr_dec_readlink(struct rpc_rqst *rqstp, __be32 *p, void *res) { struct xdr_stream xdr; struct compound_hdr hdr; @@ -4149,7 +4153,7 @@ out: /* * Decode READDIR response */ -static int nfs4_xdr_dec_readdir(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_readdir_res *res) +static int nfs4_xdr_dec_readdir(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_readdir_res *res) { struct xdr_stream xdr; struct compound_hdr hdr; @@ -4170,7 +4174,7 @@ out: /* * Decode Read response */ -static int nfs4_xdr_dec_read(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_readres *res) +static int nfs4_xdr_dec_read(struct rpc_rqst *rqstp, __be32 *p, struct nfs_readres *res) { struct xdr_stream xdr; struct compound_hdr hdr; @@ -4193,7 +4197,7 @@ out: /* * Decode WRITE response */ -static int nfs4_xdr_dec_write(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_writeres *res) +static int nfs4_xdr_dec_write(struct rpc_rqst *rqstp, __be32 *p, struct nfs_writeres *res) { struct xdr_stream xdr; struct compound_hdr hdr; @@ -4219,7 +4223,7 @@ out: /* * Decode COMMIT response */ -static int nfs4_xdr_dec_commit(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_writeres *res) +static int nfs4_xdr_dec_commit(struct rpc_rqst *rqstp, __be32 *p, struct nfs_writeres *res) { struct xdr_stream xdr; struct compound_hdr hdr; @@ -4243,7 +4247,7 @@ out: /* * FSINFO request */ -static int nfs4_xdr_dec_fsinfo(struct rpc_rqst *req, uint32_t *p, struct nfs_fsinfo *fsinfo) +static int nfs4_xdr_dec_fsinfo(struct rpc_rqst *req, __be32 *p, struct nfs_fsinfo *fsinfo) { struct xdr_stream xdr; struct compound_hdr hdr; @@ -4263,7 +4267,7 @@ static int nfs4_xdr_dec_fsinfo(struct rpc_rqst *req, uint32_t *p, struct nfs_fsi /* * PATHCONF request */ -static int nfs4_xdr_dec_pathconf(struct rpc_rqst *req, uint32_t *p, struct nfs_pathconf *pathconf) +static int nfs4_xdr_dec_pathconf(struct rpc_rqst *req, __be32 *p, struct nfs_pathconf *pathconf) { struct xdr_stream xdr; struct compound_hdr hdr; @@ -4281,7 +4285,7 @@ static int nfs4_xdr_dec_pathconf(struct rpc_rqst *req, uint32_t *p, struct nfs_p /* * STATFS request */ -static int nfs4_xdr_dec_statfs(struct rpc_rqst *req, uint32_t *p, struct nfs_fsstat *fsstat) +static int nfs4_xdr_dec_statfs(struct rpc_rqst *req, __be32 *p, struct nfs_fsstat *fsstat) { struct xdr_stream xdr; struct compound_hdr hdr; @@ -4299,7 +4303,7 @@ static int nfs4_xdr_dec_statfs(struct rpc_rqst *req, uint32_t *p, struct nfs_fss /* * GETATTR_BITMAP request */ -static int nfs4_xdr_dec_server_caps(struct rpc_rqst *req, uint32_t *p, struct nfs4_server_caps_res *res) +static int nfs4_xdr_dec_server_caps(struct rpc_rqst *req, __be32 *p, struct nfs4_server_caps_res *res) { struct xdr_stream xdr; struct compound_hdr hdr; @@ -4318,7 +4322,7 @@ out: /* * Decode RENEW response */ -static int nfs4_xdr_dec_renew(struct rpc_rqst *rqstp, uint32_t *p, void *dummy) +static int nfs4_xdr_dec_renew(struct rpc_rqst *rqstp, __be32 *p, void *dummy) { struct xdr_stream xdr; struct compound_hdr hdr; @@ -4334,7 +4338,7 @@ static int nfs4_xdr_dec_renew(struct rpc_rqst *rqstp, uint32_t *p, void *dummy) /* * a SETCLIENTID request */ -static int nfs4_xdr_dec_setclientid(struct rpc_rqst *req, uint32_t *p, +static int nfs4_xdr_dec_setclientid(struct rpc_rqst *req, __be32 *p, struct nfs_client *clp) { struct xdr_stream xdr; @@ -4353,7 +4357,7 @@ static int nfs4_xdr_dec_setclientid(struct rpc_rqst *req, uint32_t *p, /* * a SETCLIENTID_CONFIRM request */ -static int nfs4_xdr_dec_setclientid_confirm(struct rpc_rqst *req, uint32_t *p, struct nfs_fsinfo *fsinfo) +static int nfs4_xdr_dec_setclientid_confirm(struct rpc_rqst *req, __be32 *p, struct nfs_fsinfo *fsinfo) { struct xdr_stream xdr; struct compound_hdr hdr; @@ -4375,7 +4379,7 @@ static int nfs4_xdr_dec_setclientid_confirm(struct rpc_rqst *req, uint32_t *p, s /* * DELEGRETURN request */ -static int nfs4_xdr_dec_delegreturn(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_delegreturnres *res) +static int nfs4_xdr_dec_delegreturn(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_delegreturnres *res) { struct xdr_stream xdr; struct compound_hdr hdr; @@ -4397,7 +4401,7 @@ out: /* * FS_LOCATIONS request */ -static int nfs4_xdr_dec_fs_locations(struct rpc_rqst *req, uint32_t *p, struct nfs4_fs_locations *res) +static int nfs4_xdr_dec_fs_locations(struct rpc_rqst *req, __be32 *p, struct nfs4_fs_locations *res) { struct xdr_stream xdr; struct compound_hdr hdr; @@ -4417,7 +4421,7 @@ out: return status; } -uint32_t *nfs4_decode_dirent(uint32_t *p, struct nfs_entry *entry, int plus) +__be32 *nfs4_decode_dirent(__be32 *p, struct nfs_entry *entry, int plus) { uint32_t bitmap[2] = {0}; uint32_t len; diff --git a/fs/nfs/nfsroot.c b/fs/nfs/nfsroot.c index 8dfefe41a8da..75f819dc0255 100644 --- a/fs/nfs/nfsroot.c +++ b/fs/nfs/nfsroot.c @@ -98,7 +98,7 @@ static char nfs_root_name[256] __initdata = ""; /* Address of NFS server */ -static __u32 servaddr __initdata = 0; +static __be32 servaddr __initdata = 0; /* Name of directory to mount */ static char nfs_path[NFS_MAXPATHLEN] __initdata = { 0, }; @@ -327,7 +327,7 @@ static int __init root_nfs_name(char *name) */ static int __init root_nfs_addr(void) { - if ((servaddr = root_server_addr) == INADDR_NONE) { + if ((servaddr = root_server_addr) == htonl(INADDR_NONE)) { printk(KERN_ERR "Root-NFS: No NFS server available, giving up.\n"); return -1; } @@ -411,7 +411,7 @@ __setup("nfsroot=", nfs_root_setup); * Construct sockaddr_in from address and port number. */ static inline void -set_sockaddr(struct sockaddr_in *sin, __u32 addr, __u16 port) +set_sockaddr(struct sockaddr_in *sin, __be32 addr, __be16 port) { sin->sin_family = AF_INET; sin->sin_addr.s_addr = addr; @@ -468,14 +468,13 @@ static int __init root_nfs_ports(void) dprintk("Root-NFS: Portmapper on server returned %d " "as nfsd port\n", port); } - nfs_port = htons(nfs_port); if ((port = root_nfs_getport(NFS_MNT_PROGRAM, mountd_ver, proto)) < 0) { printk(KERN_ERR "Root-NFS: Unable to get mountd port " "number from server, using default\n"); port = mountd_port; } - mount_port = htons(port); + mount_port = port; dprintk("Root-NFS: mountd port is %d\n", port); return 0; @@ -496,7 +495,7 @@ static int __init root_nfs_get_handle(void) int version = (nfs_data.flags & NFS_MOUNT_VER3) ? NFS_MNT3_VERSION : NFS_MNT_VERSION; - set_sockaddr(&sin, servaddr, mount_port); + set_sockaddr(&sin, servaddr, htons(mount_port)); status = nfsroot_mount(&sin, nfs_path, &fh, version, protocol); if (status < 0) printk(KERN_ERR "Root-NFS: Server returned error %d " @@ -519,6 +518,6 @@ void * __init nfs_root_data(void) || root_nfs_ports() < 0 || root_nfs_get_handle() < 0) return NULL; - set_sockaddr((struct sockaddr_in *) &nfs_data.addr, servaddr, nfs_port); + set_sockaddr((struct sockaddr_in *) &nfs_data.addr, servaddr, htons(nfs_port)); return (void*)&nfs_data; } diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c index 829af323f288..ca4b1d4ff42b 100644 --- a/fs/nfs/pagelist.c +++ b/fs/nfs/pagelist.c @@ -17,16 +17,17 @@ #include <linux/nfs_page.h> #include <linux/nfs_fs.h> #include <linux/nfs_mount.h> +#include <linux/writeback.h> #define NFS_PARANOIA 1 -static kmem_cache_t *nfs_page_cachep; +static struct kmem_cache *nfs_page_cachep; static inline struct nfs_page * nfs_page_alloc(void) { struct nfs_page *p; - p = kmem_cache_alloc(nfs_page_cachep, SLAB_KERNEL); + p = kmem_cache_alloc(nfs_page_cachep, GFP_KERNEL); if (p) { memset(p, 0, sizeof(*p)); INIT_LIST_HEAD(&p->wb_list); @@ -268,11 +269,10 @@ nfs_coalesce_requests(struct list_head *head, struct list_head *dst, #define NFS_SCAN_MAXENTRIES 16 /** - * nfs_scan_lock_dirty - Scan the radix tree for dirty requests - * @nfsi: NFS inode + * nfs_scan_dirty - Scan the radix tree for dirty requests + * @mapping: pointer to address space + * @wbc: writeback_control structure * @dst: Destination list - * @idx_start: lower bound of page->index to scan - * @npages: idx_start + npages sets the upper bound to scan. * * Moves elements from one of the inode request lists. * If the number of requests is set to 0, the entire address_space @@ -280,46 +280,63 @@ nfs_coalesce_requests(struct list_head *head, struct list_head *dst, * The requests are *not* checked to ensure that they form a contiguous set. * You must be holding the inode's req_lock when calling this function */ -int -nfs_scan_lock_dirty(struct nfs_inode *nfsi, struct list_head *dst, - unsigned long idx_start, unsigned int npages) +long nfs_scan_dirty(struct address_space *mapping, + struct writeback_control *wbc, + struct list_head *dst) { + struct nfs_inode *nfsi = NFS_I(mapping->host); struct nfs_page *pgvec[NFS_SCAN_MAXENTRIES]; struct nfs_page *req; - unsigned long idx_end; + pgoff_t idx_start, idx_end; + long res = 0; int found, i; - int res; - res = 0; - if (npages == 0) - idx_end = ~0; - else - idx_end = idx_start + npages - 1; + if (nfsi->ndirty == 0) + return 0; + if (wbc->range_cyclic) { + idx_start = 0; + idx_end = ULONG_MAX; + } else if (wbc->range_end == 0) { + idx_start = wbc->range_start >> PAGE_CACHE_SHIFT; + idx_end = ULONG_MAX; + } else { + idx_start = wbc->range_start >> PAGE_CACHE_SHIFT; + idx_end = wbc->range_end >> PAGE_CACHE_SHIFT; + } for (;;) { + unsigned int toscan = NFS_SCAN_MAXENTRIES; + found = radix_tree_gang_lookup_tag(&nfsi->nfs_page_tree, - (void **)&pgvec[0], idx_start, NFS_SCAN_MAXENTRIES, + (void **)&pgvec[0], idx_start, toscan, NFS_PAGE_TAG_DIRTY); + + /* Did we make progress? */ if (found <= 0) break; + for (i = 0; i < found; i++) { req = pgvec[i]; - if (req->wb_index > idx_end) + if (!wbc->range_cyclic && req->wb_index > idx_end) goto out; + /* Try to lock request and mark it for writeback */ + if (!nfs_set_page_writeback_locked(req)) + goto next; + radix_tree_tag_clear(&nfsi->nfs_page_tree, + req->wb_index, NFS_PAGE_TAG_DIRTY); + nfsi->ndirty--; + nfs_list_remove_request(req); + nfs_list_add_request(req, dst); + res++; + if (res == LONG_MAX) + goto out; +next: idx_start = req->wb_index + 1; - - if (nfs_set_page_writeback_locked(req)) { - radix_tree_tag_clear(&nfsi->nfs_page_tree, - req->wb_index, NFS_PAGE_TAG_DIRTY); - nfs_list_remove_request(req); - nfs_list_add_request(req, dst); - dec_zone_page_state(req->wb_page, NR_FILE_DIRTY); - res++; - } } } out: + WARN_ON ((nfsi->ndirty == 0) != list_empty(&nfsi->dirty)); return res; } diff --git a/fs/nfs/proc.c b/fs/nfs/proc.c index 4529cc4f3f8f..560536ad74a4 100644 --- a/fs/nfs/proc.c +++ b/fs/nfs/proc.c @@ -215,32 +215,6 @@ static int nfs_proc_read(struct nfs_read_data *rdata) return status; } -static int nfs_proc_write(struct nfs_write_data *wdata) -{ - int flags = wdata->flags; - struct inode * inode = wdata->inode; - struct nfs_fattr * fattr = wdata->res.fattr; - struct rpc_message msg = { - .rpc_proc = &nfs_procedures[NFSPROC_WRITE], - .rpc_argp = &wdata->args, - .rpc_resp = &wdata->res, - .rpc_cred = wdata->cred, - }; - int status; - - dprintk("NFS call write %d @ %Ld\n", wdata->args.count, - (long long) wdata->args.offset); - nfs_fattr_init(fattr); - status = rpc_call_sync(NFS_CLIENT(inode), &msg, flags); - if (status >= 0) { - nfs_post_op_update_inode(inode, fattr); - wdata->res.count = wdata->args.count; - wdata->verf.committed = NFS_FILE_SYNC; - } - dprintk("NFS reply write: %d\n", status); - return status < 0? status : wdata->res.count; -} - static int nfs_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr, int flags, struct nameidata *nd) @@ -545,13 +519,10 @@ nfs_proc_readdir(struct dentry *dentry, struct rpc_cred *cred, }; int status; - lock_kernel(); - dprintk("NFS call readdir %d\n", (unsigned int)cookie); status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); dprintk("NFS reply readdir: %d\n", status); - unlock_kernel(); return status; } @@ -680,7 +651,7 @@ nfs_proc_commit_setup(struct nfs_write_data *data, int how) static int nfs_proc_lock(struct file *filp, int cmd, struct file_lock *fl) { - return nlmclnt_proc(filp->f_dentry->d_inode, cmd, fl); + return nlmclnt_proc(filp->f_path.dentry->d_inode, cmd, fl); } @@ -696,8 +667,6 @@ const struct nfs_rpc_ops nfs_v2_clientops = { .access = NULL, /* access */ .readlink = nfs_proc_readlink, .read = nfs_proc_read, - .write = nfs_proc_write, - .commit = NULL, /* commit */ .create = nfs_proc_create, .remove = nfs_proc_remove, .unlink_setup = nfs_proc_unlink_setup, diff --git a/fs/nfs/read.c b/fs/nfs/read.c index c2e49c397a27..a9c26521a9e2 100644 --- a/fs/nfs/read.c +++ b/fs/nfs/read.c @@ -30,6 +30,7 @@ #include <asm/system.h> +#include "internal.h" #include "iostat.h" #define NFSDBG_FACILITY NFSDBG_PAGECACHE @@ -38,7 +39,7 @@ static int nfs_pagein_one(struct list_head *, struct inode *); static const struct rpc_call_ops nfs_read_partial_ops; static const struct rpc_call_ops nfs_read_full_ops; -static kmem_cache_t *nfs_rdata_cachep; +static struct kmem_cache *nfs_rdata_cachep; static mempool_t *nfs_rdata_mempool; #define MIN_POOL_READ (32) @@ -46,7 +47,7 @@ static mempool_t *nfs_rdata_mempool; struct nfs_read_data *nfs_readdata_alloc(size_t len) { unsigned int pagecount = (len + PAGE_SIZE - 1) >> PAGE_SHIFT; - struct nfs_read_data *p = mempool_alloc(nfs_rdata_mempool, SLAB_NOFS); + struct nfs_read_data *p = mempool_alloc(nfs_rdata_mempool, GFP_NOFS); if (p) { memset(p, 0, sizeof(*p)); @@ -65,32 +66,22 @@ struct nfs_read_data *nfs_readdata_alloc(size_t len) return p; } -static void nfs_readdata_free(struct nfs_read_data *p) +static void nfs_readdata_rcu_free(struct rcu_head *head) { + struct nfs_read_data *p = container_of(head, struct nfs_read_data, task.u.tk_rcu); if (p && (p->pagevec != &p->page_array[0])) kfree(p->pagevec); mempool_free(p, nfs_rdata_mempool); } -void nfs_readdata_release(void *data) +static void nfs_readdata_free(struct nfs_read_data *rdata) { - nfs_readdata_free(data); + call_rcu_bh(&rdata->task.u.tk_rcu, nfs_readdata_rcu_free); } -static -unsigned int nfs_page_length(struct inode *inode, struct page *page) +void nfs_readdata_release(void *data) { - loff_t i_size = i_size_read(inode); - unsigned long idx; - - if (i_size <= 0) - return 0; - idx = (i_size - 1) >> PAGE_CACHE_SHIFT; - if (page->index > idx) - return 0; - if (page->index != idx) - return PAGE_CACHE_SIZE; - return 1 + ((i_size - 1) & (PAGE_CACHE_SIZE - 1)); + nfs_readdata_free(data); } static @@ -139,12 +130,12 @@ static int nfs_readpage_sync(struct nfs_open_context *ctx, struct inode *inode, { unsigned int rsize = NFS_SERVER(inode)->rsize; unsigned int count = PAGE_CACHE_SIZE; - int result; + int result = -ENOMEM; struct nfs_read_data *rdata; rdata = nfs_readdata_alloc(count); if (!rdata) - return -ENOMEM; + goto out_unlock; memset(rdata, 0, sizeof(*rdata)); rdata->flags = (IS_SWAPFILE(inode)? NFS_RPC_SWAPFLAGS : 0); @@ -212,8 +203,9 @@ static int nfs_readpage_sync(struct nfs_open_context *ctx, struct inode *inode, result = 0; io_error: - unlock_page(page); nfs_readdata_free(rdata); +out_unlock: + unlock_page(page); return result; } @@ -224,7 +216,7 @@ static int nfs_readpage_async(struct nfs_open_context *ctx, struct inode *inode, struct nfs_page *new; unsigned int len; - len = nfs_page_length(inode, page); + len = nfs_page_length(page); if (len == 0) return nfs_return_empty_page(page); new = nfs_create_request(ctx, inode, page, 0, len); @@ -316,9 +308,7 @@ static void nfs_execute_read(struct nfs_read_data *data) sigset_t oldset; rpc_clnt_sigmask(clnt, &oldset); - lock_kernel(); rpc_execute(&data->task); - unlock_kernel(); rpc_clnt_sigunmask(clnt, &oldset); } @@ -455,6 +445,55 @@ nfs_pagein_list(struct list_head *head, int rpages) } /* + * This is the callback from RPC telling us whether a reply was + * received or some error occurred (timeout or socket shutdown). + */ +int nfs_readpage_result(struct rpc_task *task, struct nfs_read_data *data) +{ + int status; + + dprintk("%s: %4d, (status %d)\n", __FUNCTION__, task->tk_pid, + task->tk_status); + + status = NFS_PROTO(data->inode)->read_done(task, data); + if (status != 0) + return status; + + nfs_add_stats(data->inode, NFSIOS_SERVERREADBYTES, data->res.count); + + if (task->tk_status == -ESTALE) { + set_bit(NFS_INO_STALE, &NFS_FLAGS(data->inode)); + nfs_mark_for_revalidate(data->inode); + } + spin_lock(&data->inode->i_lock); + NFS_I(data->inode)->cache_validity |= NFS_INO_INVALID_ATIME; + spin_unlock(&data->inode->i_lock); + return 0; +} + +static int nfs_readpage_retry(struct rpc_task *task, struct nfs_read_data *data) +{ + struct nfs_readargs *argp = &data->args; + struct nfs_readres *resp = &data->res; + + if (resp->eof || resp->count == argp->count) + return 0; + + /* This is a short read! */ + nfs_inc_stats(data->inode, NFSIOS_SHORTREAD); + /* Has the server at least made some progress? */ + if (resp->count == 0) + return 0; + + /* Yes, so retry the read at the end of the data */ + argp->offset += resp->count; + argp->pgbase += resp->count; + argp->count -= resp->count; + rpc_restart_call(task); + return -EAGAIN; +} + +/* * Handle a read reply that fills part of a page. */ static void nfs_readpage_result_partial(struct rpc_task *task, void *calldata) @@ -463,12 +502,16 @@ static void nfs_readpage_result_partial(struct rpc_task *task, void *calldata) struct nfs_page *req = data->req; struct page *page = req->wb_page; - if (likely(task->tk_status >= 0)) - nfs_readpage_truncate_uninitialised_page(data); - else - SetPageError(page); if (nfs_readpage_result(task, data) != 0) return; + + if (likely(task->tk_status >= 0)) { + nfs_readpage_truncate_uninitialised_page(data); + if (nfs_readpage_retry(task, data) != 0) + return; + } + if (unlikely(task->tk_status < 0)) + SetPageError(page); if (atomic_dec_and_test(&req->wb_complete)) { if (!PageError(page)) SetPageUptodate(page); @@ -496,25 +539,13 @@ static void nfs_readpage_set_pages_uptodate(struct nfs_read_data *data) count += base; for (;count >= PAGE_CACHE_SIZE; count -= PAGE_CACHE_SIZE, pages++) SetPageUptodate(*pages); - if (count != 0) + if (count == 0) + return; + /* Was this a short read? */ + if (data->res.eof || data->res.count == data->args.count) SetPageUptodate(*pages); } -static void nfs_readpage_set_pages_error(struct nfs_read_data *data) -{ - unsigned int count = data->args.count; - unsigned int base = data->args.pgbase; - struct page **pages; - - pages = &data->args.pages[base >> PAGE_CACHE_SHIFT]; - base &= ~PAGE_CACHE_MASK; - count += base; - for (;count >= PAGE_CACHE_SIZE; count -= PAGE_CACHE_SIZE, pages++) - SetPageError(*pages); - if (count != 0) - SetPageError(*pages); -} - /* * This is the callback from RPC telling us whether a reply was * received or some error occurred (timeout or socket shutdown). @@ -523,19 +554,20 @@ static void nfs_readpage_result_full(struct rpc_task *task, void *calldata) { struct nfs_read_data *data = calldata; + if (nfs_readpage_result(task, data) != 0) + return; /* - * Note: nfs_readpage_result may change the values of + * Note: nfs_readpage_retry may change the values of * data->args. In the multi-page case, we therefore need - * to ensure that we call the next nfs_readpage_set_page_uptodate() - * first in the multi-page case. + * to ensure that we call nfs_readpage_set_pages_uptodate() + * first. */ if (likely(task->tk_status >= 0)) { nfs_readpage_truncate_uninitialised_page(data); nfs_readpage_set_pages_uptodate(data); - } else - nfs_readpage_set_pages_error(data); - if (nfs_readpage_result(task, data) != 0) - return; + if (nfs_readpage_retry(task, data) != 0) + return; + } while (!list_empty(&data->pages)) { struct nfs_page *req = nfs_list_entry(data->pages.next); @@ -550,50 +582,6 @@ static const struct rpc_call_ops nfs_read_full_ops = { }; /* - * This is the callback from RPC telling us whether a reply was - * received or some error occurred (timeout or socket shutdown). - */ -int nfs_readpage_result(struct rpc_task *task, struct nfs_read_data *data) -{ - struct nfs_readargs *argp = &data->args; - struct nfs_readres *resp = &data->res; - int status; - - dprintk("NFS: %4d nfs_readpage_result, (status %d)\n", - task->tk_pid, task->tk_status); - - status = NFS_PROTO(data->inode)->read_done(task, data); - if (status != 0) - return status; - - nfs_add_stats(data->inode, NFSIOS_SERVERREADBYTES, resp->count); - - if (task->tk_status < 0) { - if (task->tk_status == -ESTALE) { - set_bit(NFS_INO_STALE, &NFS_FLAGS(data->inode)); - nfs_mark_for_revalidate(data->inode); - } - } else if (resp->count < argp->count && !resp->eof) { - /* This is a short read! */ - nfs_inc_stats(data->inode, NFSIOS_SHORTREAD); - /* Has the server at least made some progress? */ - if (resp->count != 0) { - /* Yes, so retry the read at the end of the data */ - argp->offset += resp->count; - argp->pgbase += resp->count; - argp->count -= resp->count; - rpc_restart_call(task); - return -EAGAIN; - } - task->tk_status = -EIO; - } - spin_lock(&data->inode->i_lock); - NFS_I(data->inode)->cache_validity |= NFS_INO_INVALID_ATIME; - spin_unlock(&data->inode->i_lock); - return 0; -} - -/* * Read a page over NFS. * We read the page synchronously in the following case: * - The error flag is set for this page. This happens only when a @@ -626,9 +614,10 @@ int nfs_readpage(struct file *file, struct page *page) goto out_error; if (file == NULL) { + error = -EBADF; ctx = nfs_find_open_context(inode, NULL, FMODE_READ); if (ctx == NULL) - return -EBADF; + goto out_error; } else ctx = get_nfs_open_context((struct nfs_open_context *) file->private_data); @@ -663,7 +652,7 @@ readpage_async_filler(void *data, struct page *page) unsigned int len; nfs_wb_page(inode, page); - len = nfs_page_length(inode, page); + len = nfs_page_length(page); if (len == 0) return nfs_return_empty_page(page); new = nfs_create_request(desc->ctx, inode, page, 0, len); diff --git a/fs/nfs/super.c b/fs/nfs/super.c index 28659a919d6e..28108c82b887 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -834,7 +834,7 @@ static int nfs4_get_sb(struct file_system_type *fs_type, } /* RFC3530: The default port for NFS is 2049 */ if (addr.sin_port == 0) - addr.sin_port = NFS_PORT; + addr.sin_port = htons(NFS_PORT); /* Grab the authentication type */ authflavour = RPC_AUTH_UNIX; diff --git a/fs/nfs/symlink.c b/fs/nfs/symlink.c index 600bbe630abd..6c686112cc03 100644 --- a/fs/nfs/symlink.c +++ b/fs/nfs/symlink.c @@ -33,9 +33,7 @@ static int nfs_symlink_filler(struct inode *inode, struct page *page) { int error; - lock_kernel(); error = NFS_PROTO(inode)->readlink(inode, page, 0, PAGE_SIZE); - unlock_kernel(); if (error < 0) goto error; SetPageUptodate(page); diff --git a/fs/nfs/sysctl.c b/fs/nfs/sysctl.c index 2fe3403c2409..3ea50ac64820 100644 --- a/fs/nfs/sysctl.c +++ b/fs/nfs/sysctl.c @@ -18,11 +18,6 @@ static const int nfs_set_port_min = 0; static const int nfs_set_port_max = 65535; static struct ctl_table_header *nfs_callback_sysctl_table; -/* - * Something that isn't CTL_ANY, CTL_NONE or a value that may clash. - * Use the same values as fs/lockd/svc.c - */ -#define CTL_UNNUMBERED -2 static ctl_table nfs_cb_sysctls[] = { #ifdef CONFIG_NFS_V4 diff --git a/fs/nfs/write.c b/fs/nfs/write.c index f6675d2c386c..345492e78643 100644 --- a/fs/nfs/write.c +++ b/fs/nfs/write.c @@ -57,10 +57,13 @@ #include <linux/nfs_fs.h> #include <linux/nfs_mount.h> #include <linux/nfs_page.h> +#include <linux/backing-dev.h> + #include <asm/uaccess.h> #include <linux/smp_lock.h> #include "delegation.h" +#include "internal.h" #include "iostat.h" #define NFSDBG_FACILITY NFSDBG_PAGECACHE @@ -72,18 +75,17 @@ * Local function declarations */ static struct nfs_page * nfs_update_request(struct nfs_open_context*, - struct inode *, struct page *, unsigned int, unsigned int); +static void nfs_mark_request_dirty(struct nfs_page *req); static int nfs_wait_on_write_congestion(struct address_space *, int); static int nfs_wait_on_requests(struct inode *, unsigned long, unsigned int); -static int nfs_flush_inode(struct inode *inode, unsigned long idx_start, - unsigned int npages, int how); +static long nfs_flush_mapping(struct address_space *mapping, struct writeback_control *wbc, int how); static const struct rpc_call_ops nfs_write_partial_ops; static const struct rpc_call_ops nfs_write_full_ops; static const struct rpc_call_ops nfs_commit_ops; -static kmem_cache_t *nfs_wdata_cachep; +static struct kmem_cache *nfs_wdata_cachep; static mempool_t *nfs_wdata_mempool; static mempool_t *nfs_commit_mempool; @@ -91,7 +93,7 @@ static DECLARE_WAIT_QUEUE_HEAD(nfs_write_congestion); struct nfs_write_data *nfs_commit_alloc(void) { - struct nfs_write_data *p = mempool_alloc(nfs_commit_mempool, SLAB_NOFS); + struct nfs_write_data *p = mempool_alloc(nfs_commit_mempool, GFP_NOFS); if (p) { memset(p, 0, sizeof(*p)); @@ -100,17 +102,23 @@ struct nfs_write_data *nfs_commit_alloc(void) return p; } -void nfs_commit_free(struct nfs_write_data *p) +void nfs_commit_rcu_free(struct rcu_head *head) { + struct nfs_write_data *p = container_of(head, struct nfs_write_data, task.u.tk_rcu); if (p && (p->pagevec != &p->page_array[0])) kfree(p->pagevec); mempool_free(p, nfs_commit_mempool); } +void nfs_commit_free(struct nfs_write_data *wdata) +{ + call_rcu_bh(&wdata->task.u.tk_rcu, nfs_commit_rcu_free); +} + struct nfs_write_data *nfs_writedata_alloc(size_t len) { unsigned int pagecount = (len + PAGE_SIZE - 1) >> PAGE_SHIFT; - struct nfs_write_data *p = mempool_alloc(nfs_wdata_mempool, SLAB_NOFS); + struct nfs_write_data *p = mempool_alloc(nfs_wdata_mempool, GFP_NOFS); if (p) { memset(p, 0, sizeof(*p)); @@ -129,18 +137,47 @@ struct nfs_write_data *nfs_writedata_alloc(size_t len) return p; } -static void nfs_writedata_free(struct nfs_write_data *p) +static void nfs_writedata_rcu_free(struct rcu_head *head) { + struct nfs_write_data *p = container_of(head, struct nfs_write_data, task.u.tk_rcu); if (p && (p->pagevec != &p->page_array[0])) kfree(p->pagevec); mempool_free(p, nfs_wdata_mempool); } +static void nfs_writedata_free(struct nfs_write_data *wdata) +{ + call_rcu_bh(&wdata->task.u.tk_rcu, nfs_writedata_rcu_free); +} + void nfs_writedata_release(void *wdata) { nfs_writedata_free(wdata); } +static struct nfs_page *nfs_page_find_request_locked(struct page *page) +{ + struct nfs_page *req = NULL; + + if (PagePrivate(page)) { + req = (struct nfs_page *)page_private(page); + if (req != NULL) + atomic_inc(&req->wb_count); + } + return req; +} + +static struct nfs_page *nfs_page_find_request(struct page *page) +{ + struct nfs_page *req = NULL; + spinlock_t *req_lock = &NFS_I(page->mapping->host)->req_lock; + + spin_lock(req_lock); + req = nfs_page_find_request_locked(page); + spin_unlock(req_lock); + return req; +} + /* Adjust the file length if we're writing beyond the end */ static void nfs_grow_file(struct page *page, unsigned int offset, unsigned int count) { @@ -162,113 +199,34 @@ static void nfs_grow_file(struct page *page, unsigned int offset, unsigned int c */ static void nfs_mark_uptodate(struct page *page, unsigned int base, unsigned int count) { - loff_t end_offs; - if (PageUptodate(page)) return; if (base != 0) return; - if (count == PAGE_CACHE_SIZE) { - SetPageUptodate(page); + if (count != nfs_page_length(page)) return; - } - - end_offs = i_size_read(page->mapping->host) - 1; - if (end_offs < 0) - return; - /* Is this the last page? */ - if (page->index != (unsigned long)(end_offs >> PAGE_CACHE_SHIFT)) - return; - /* This is the last page: set PG_uptodate if we cover the entire - * extent of the data, then zero the rest of the page. - */ - if (count == (unsigned int)(end_offs & (PAGE_CACHE_SIZE - 1)) + 1) { + if (count != PAGE_CACHE_SIZE) memclear_highpage_flush(page, count, PAGE_CACHE_SIZE - count); - SetPageUptodate(page); - } -} - -/* - * Write a page synchronously. - * Offset is the data offset within the page. - */ -static int nfs_writepage_sync(struct nfs_open_context *ctx, struct inode *inode, - struct page *page, unsigned int offset, unsigned int count, - int how) -{ - unsigned int wsize = NFS_SERVER(inode)->wsize; - int result, written = 0; - struct nfs_write_data *wdata; - - wdata = nfs_writedata_alloc(wsize); - if (!wdata) - return -ENOMEM; - - wdata->flags = how; - wdata->cred = ctx->cred; - wdata->inode = inode; - wdata->args.fh = NFS_FH(inode); - wdata->args.context = ctx; - wdata->args.pages = &page; - wdata->args.stable = NFS_FILE_SYNC; - wdata->args.pgbase = offset; - wdata->args.count = wsize; - wdata->res.fattr = &wdata->fattr; - wdata->res.verf = &wdata->verf; - - dprintk("NFS: nfs_writepage_sync(%s/%Ld %d@%Ld)\n", - inode->i_sb->s_id, - (long long)NFS_FILEID(inode), - count, (long long)(page_offset(page) + offset)); - - set_page_writeback(page); - nfs_begin_data_update(inode); - do { - if (count < wsize) - wdata->args.count = count; - wdata->args.offset = page_offset(page) + wdata->args.pgbase; - - result = NFS_PROTO(inode)->write(wdata); - - if (result < 0) { - /* Must mark the page invalid after I/O error */ - ClearPageUptodate(page); - goto io_error; - } - if (result < wdata->args.count) - printk(KERN_WARNING "NFS: short write, count=%u, result=%d\n", - wdata->args.count, result); - - wdata->args.offset += result; - wdata->args.pgbase += result; - written += result; - count -= result; - nfs_add_stats(inode, NFSIOS_SERVERWRITTENBYTES, result); - } while (count); - /* Update file length */ - nfs_grow_file(page, offset, written); - /* Set the PG_uptodate flag? */ - nfs_mark_uptodate(page, offset, written); - - if (PageError(page)) - ClearPageError(page); - -io_error: - nfs_end_data_update(inode); - end_page_writeback(page); - nfs_writedata_free(wdata); - return written ? written : result; + SetPageUptodate(page); } -static int nfs_writepage_async(struct nfs_open_context *ctx, - struct inode *inode, struct page *page, +static int nfs_writepage_setup(struct nfs_open_context *ctx, struct page *page, unsigned int offset, unsigned int count) { struct nfs_page *req; + int ret; - req = nfs_update_request(ctx, inode, page, offset, count); - if (IS_ERR(req)) - return PTR_ERR(req); + for (;;) { + req = nfs_update_request(ctx, page, offset, count); + if (!IS_ERR(req)) + break; + ret = PTR_ERR(req); + if (ret != -EBUSY) + return ret; + ret = nfs_wb_page(page->mapping->host, page); + if (ret != 0) + return ret; + } /* Update file length */ nfs_grow_file(page, offset, count); /* Set the PG_uptodate flag? */ @@ -287,73 +245,94 @@ static int wb_priority(struct writeback_control *wbc) } /* + * Find an associated nfs write request, and prepare to flush it out + * Returns 1 if there was no write request, or if the request was + * already tagged by nfs_set_page_dirty.Returns 0 if the request + * was not tagged. + * May also return an error if the user signalled nfs_wait_on_request(). + */ +static int nfs_page_mark_flush(struct page *page) +{ + struct nfs_page *req; + spinlock_t *req_lock = &NFS_I(page->mapping->host)->req_lock; + int ret; + + spin_lock(req_lock); + for(;;) { + req = nfs_page_find_request_locked(page); + if (req == NULL) { + spin_unlock(req_lock); + return 1; + } + if (nfs_lock_request_dontget(req)) + break; + /* Note: If we hold the page lock, as is the case in nfs_writepage, + * then the call to nfs_lock_request_dontget() will always + * succeed provided that someone hasn't already marked the + * request as dirty (in which case we don't care). + */ + spin_unlock(req_lock); + ret = nfs_wait_on_request(req); + nfs_release_request(req); + if (ret != 0) + return ret; + spin_lock(req_lock); + } + spin_unlock(req_lock); + if (test_and_set_bit(PG_FLUSHING, &req->wb_flags) == 0) { + nfs_mark_request_dirty(req); + set_page_writeback(page); + } + ret = test_bit(PG_NEED_FLUSH, &req->wb_flags); + nfs_unlock_request(req); + return ret; +} + +/* * Write an mmapped page to the server. */ -int nfs_writepage(struct page *page, struct writeback_control *wbc) +static int nfs_writepage_locked(struct page *page, struct writeback_control *wbc) { struct nfs_open_context *ctx; struct inode *inode = page->mapping->host; - unsigned long end_index; - unsigned offset = PAGE_CACHE_SIZE; - loff_t i_size = i_size_read(inode); - int inode_referenced = 0; - int priority = wb_priority(wbc); + unsigned offset; int err; nfs_inc_stats(inode, NFSIOS_VFSWRITEPAGE); nfs_add_stats(inode, NFSIOS_WRITEPAGES, 1); - /* - * Note: We need to ensure that we have a reference to the inode - * if we are to do asynchronous writes. If not, waiting - * in nfs_wait_on_request() may deadlock with clear_inode(). - * - * If igrab() fails here, then it is in any case safe to - * call nfs_wb_page(), since there will be no pending writes. - */ - if (igrab(inode) != 0) - inode_referenced = 1; - end_index = i_size >> PAGE_CACHE_SHIFT; - - /* Ensure we've flushed out any previous writes */ - nfs_wb_page_priority(inode, page, priority); - - /* easy case */ - if (page->index < end_index) - goto do_it; - /* things got complicated... */ - offset = i_size & (PAGE_CACHE_SIZE-1); - - /* OK, are we completely out? */ - err = 0; /* potential race with truncate - ignore */ - if (page->index >= end_index+1 || !offset) + err = nfs_page_mark_flush(page); + if (err <= 0) + goto out; + err = 0; + offset = nfs_page_length(page); + if (!offset) goto out; -do_it: + ctx = nfs_find_open_context(inode, NULL, FMODE_WRITE); if (ctx == NULL) { err = -EBADF; goto out; } - lock_kernel(); - if (!IS_SYNC(inode) && inode_referenced) { - err = nfs_writepage_async(ctx, inode, page, 0, offset); - if (!wbc->for_writepages) - nfs_flush_inode(inode, 0, 0, wb_priority(wbc)); - } else { - err = nfs_writepage_sync(ctx, inode, page, 0, - offset, priority); - if (err >= 0) { - if (err != offset) - redirty_page_for_writepage(wbc, page); - err = 0; - } - } - unlock_kernel(); + err = nfs_writepage_setup(ctx, page, 0, offset); put_nfs_open_context(ctx); + if (err != 0) + goto out; + err = nfs_page_mark_flush(page); + if (err > 0) + err = 0; out: + if (!wbc->for_writepages) + nfs_flush_mapping(page->mapping, wbc, wb_priority(wbc)); + return err; +} + +int nfs_writepage(struct page *page, struct writeback_control *wbc) +{ + int err; + + err = nfs_writepage_locked(page, wbc); unlock_page(page); - if (inode_referenced) - iput(inode); return err; } @@ -377,25 +356,22 @@ int nfs_writepages(struct address_space *mapping, struct writeback_control *wbc) return 0; nfs_wait_on_write_congestion(mapping, 0); } - err = nfs_flush_inode(inode, 0, 0, wb_priority(wbc)); + err = nfs_flush_mapping(mapping, wbc, wb_priority(wbc)); if (err < 0) goto out; nfs_add_stats(inode, NFSIOS_WRITEPAGES, err); - wbc->nr_to_write -= err; if (!wbc->nonblocking && wbc->sync_mode == WB_SYNC_ALL) { err = nfs_wait_on_requests(inode, 0, 0); if (err < 0) goto out; } err = nfs_commit_inode(inode, wb_priority(wbc)); - if (err > 0) { - wbc->nr_to_write -= err; + if (err > 0) err = 0; - } out: clear_bit(BDI_write_congested, &bdi->state); wake_up_all(&nfs_write_congestion); - writeback_congestion_end(); + congestion_end(WRITE); return err; } @@ -418,6 +394,7 @@ static int nfs_inode_add_request(struct inode *inode, struct nfs_page *req) nfsi->change_attr++; } SetPagePrivate(req->wb_page); + set_page_private(req->wb_page, (unsigned long)req); nfsi->npages++; atomic_inc(&req->wb_count); return 0; @@ -434,6 +411,7 @@ static void nfs_inode_remove_request(struct nfs_page *req) BUG_ON (!NFS_WBACK_BUSY(req)); spin_lock(&nfsi->req_lock); + set_page_private(req->wb_page, 0); ClearPagePrivate(req->wb_page); radix_tree_delete(&nfsi->nfs_page_tree, req->wb_index); nfsi->npages--; @@ -448,33 +426,6 @@ static void nfs_inode_remove_request(struct nfs_page *req) } /* - * Find a request - */ -static inline struct nfs_page * -_nfs_find_request(struct inode *inode, unsigned long index) -{ - struct nfs_inode *nfsi = NFS_I(inode); - struct nfs_page *req; - - req = (struct nfs_page*)radix_tree_lookup(&nfsi->nfs_page_tree, index); - if (req) - atomic_inc(&req->wb_count); - return req; -} - -static struct nfs_page * -nfs_find_request(struct inode *inode, unsigned long index) -{ - struct nfs_page *req; - struct nfs_inode *nfsi = NFS_I(inode); - - spin_lock(&nfsi->req_lock); - req = _nfs_find_request(inode, index); - spin_unlock(&nfsi->req_lock); - return req; -} - -/* * Add a request to the inode's dirty list. */ static void @@ -489,8 +440,14 @@ nfs_mark_request_dirty(struct nfs_page *req) nfs_list_add_request(req, &nfsi->dirty); nfsi->ndirty++; spin_unlock(&nfsi->req_lock); - inc_zone_page_state(req->wb_page, NR_FILE_DIRTY); - mark_inode_dirty(inode); + __mark_inode_dirty(inode, I_DIRTY_PAGES); +} + +static void +nfs_redirty_request(struct nfs_page *req) +{ + clear_bit(PG_FLUSHING, &req->wb_flags); + __set_page_dirty_nobuffers(req->wb_page); } /* @@ -499,8 +456,7 @@ nfs_mark_request_dirty(struct nfs_page *req) static inline int nfs_dirty_request(struct nfs_page *req) { - struct nfs_inode *nfsi = NFS_I(req->wb_context->dentry->d_inode); - return !list_empty(&req->wb_list) && req->wb_list_head == &nfsi->dirty; + return test_bit(PG_FLUSHING, &req->wb_flags) == 0; } #if defined(CONFIG_NFS_V3) || defined(CONFIG_NFS_V4) @@ -518,7 +474,7 @@ nfs_mark_request_commit(struct nfs_page *req) nfsi->ncommit++; spin_unlock(&nfsi->req_lock); inc_zone_page_state(req->wb_page, NR_UNSTABLE_NFS); - mark_inode_dirty(inode); + __mark_inode_dirty(inode, I_DIRTY_DATASYNC); } #endif @@ -588,36 +544,11 @@ static void nfs_cancel_commit_list(struct list_head *head) while(!list_empty(head)) { req = nfs_list_entry(head->next); + dec_zone_page_state(req->wb_page, NR_UNSTABLE_NFS); nfs_list_remove_request(req); nfs_inode_remove_request(req); - dec_zone_page_state(req->wb_page, NR_UNSTABLE_NFS); - nfs_clear_page_writeback(req); - } -} - -/* - * nfs_scan_dirty - Scan an inode for dirty requests - * @inode: NFS inode to scan - * @dst: destination list - * @idx_start: lower bound of page->index to scan. - * @npages: idx_start + npages sets the upper bound to scan. - * - * Moves requests from the inode's dirty page list. - * The requests are *not* checked to ensure that they form a contiguous set. - */ -static int -nfs_scan_dirty(struct inode *inode, struct list_head *dst, unsigned long idx_start, unsigned int npages) -{ - struct nfs_inode *nfsi = NFS_I(inode); - int res = 0; - - if (nfsi->ndirty != 0) { - res = nfs_scan_lock_dirty(nfsi, dst, idx_start, npages); - nfsi->ndirty -= res; - if ((nfsi->ndirty == 0) != list_empty(&nfsi->dirty)) - printk(KERN_ERR "NFS: desynchronized value of nfs_i.ndirty.\n"); + nfs_unlock_request(req); } - return res; } #if defined(CONFIG_NFS_V3) || defined(CONFIG_NFS_V4) @@ -696,27 +627,27 @@ static int nfs_wait_on_write_congestion(struct address_space *mapping, int intr) * Note: Should always be called with the Page Lock held! */ static struct nfs_page * nfs_update_request(struct nfs_open_context* ctx, - struct inode *inode, struct page *page, - unsigned int offset, unsigned int bytes) + struct page *page, unsigned int offset, unsigned int bytes) { - struct nfs_server *server = NFS_SERVER(inode); + struct inode *inode = page->mapping->host; struct nfs_inode *nfsi = NFS_I(inode); struct nfs_page *req, *new = NULL; unsigned long rqend, end; end = offset + bytes; - if (nfs_wait_on_write_congestion(page->mapping, server->flags & NFS_MOUNT_INTR)) + if (nfs_wait_on_write_congestion(page->mapping, NFS_SERVER(inode)->flags & NFS_MOUNT_INTR)) return ERR_PTR(-ERESTARTSYS); for (;;) { /* Loop over all inode entries and see if we find * A request for the page we wish to update */ spin_lock(&nfsi->req_lock); - req = _nfs_find_request(inode, page->index); + req = nfs_page_find_request_locked(page); if (req) { if (!nfs_lock_request_dontget(req)) { int error; + spin_unlock(&nfsi->req_lock); error = nfs_wait_on_request(req); nfs_release_request(req); @@ -743,7 +674,6 @@ static struct nfs_page * nfs_update_request(struct nfs_open_context* ctx, return ERR_PTR(error); } spin_unlock(&nfsi->req_lock); - nfs_mark_request_dirty(new); return new; } spin_unlock(&nfsi->req_lock); @@ -784,9 +714,8 @@ static struct nfs_page * nfs_update_request(struct nfs_open_context* ctx, int nfs_flush_incompatible(struct file *file, struct page *page) { struct nfs_open_context *ctx = (struct nfs_open_context *)file->private_data; - struct inode *inode = page->mapping->host; struct nfs_page *req; - int status = 0; + int do_flush, status; /* * Look for a request corresponding to this page. If there * is one, and it belongs to another file, we flush it out @@ -795,13 +724,18 @@ int nfs_flush_incompatible(struct file *file, struct page *page) * Also do the same if we find a request from an existing * dropped page. */ - req = nfs_find_request(inode, page->index); - if (req) { - if (req->wb_page != page || ctx != req->wb_context) - status = nfs_wb_page(inode, page); + do { + req = nfs_page_find_request(page); + if (req == NULL) + return 0; + do_flush = req->wb_page != page || req->wb_context != ctx + || !nfs_dirty_request(req); nfs_release_request(req); - } - return (status < 0) ? status : 0; + if (!do_flush) + return 0; + status = nfs_wb_page(page->mapping->host, page); + } while (status == 0); + return status; } /* @@ -815,72 +749,27 @@ int nfs_updatepage(struct file *file, struct page *page, { struct nfs_open_context *ctx = (struct nfs_open_context *)file->private_data; struct inode *inode = page->mapping->host; - struct nfs_page *req; int status = 0; nfs_inc_stats(inode, NFSIOS_VFSUPDATEPAGE); dprintk("NFS: nfs_updatepage(%s/%s %d@%Ld)\n", - file->f_dentry->d_parent->d_name.name, - file->f_dentry->d_name.name, count, + file->f_path.dentry->d_parent->d_name.name, + file->f_path.dentry->d_name.name, count, (long long)(page_offset(page) +offset)); - if (IS_SYNC(inode)) { - status = nfs_writepage_sync(ctx, inode, page, offset, count, 0); - if (status > 0) { - if (offset == 0 && status == PAGE_CACHE_SIZE) - SetPageUptodate(page); - return 0; - } - return status; - } - /* If we're not using byte range locks, and we know the page * is entirely in cache, it may be more efficient to avoid * fragmenting write requests. */ if (PageUptodate(page) && inode->i_flock == NULL && !(file->f_mode & O_SYNC)) { - loff_t end_offs = i_size_read(inode) - 1; - unsigned long end_index = end_offs >> PAGE_CACHE_SHIFT; - - count += offset; + count = max(count + offset, nfs_page_length(page)); offset = 0; - if (unlikely(end_offs < 0)) { - /* Do nothing */ - } else if (page->index == end_index) { - unsigned int pglen; - pglen = (unsigned int)(end_offs & (PAGE_CACHE_SIZE-1)) + 1; - if (count < pglen) - count = pglen; - } else if (page->index < end_index) - count = PAGE_CACHE_SIZE; } - /* - * Try to find an NFS request corresponding to this page - * and update it. - * If the existing request cannot be updated, we must flush - * it out now. - */ - do { - req = nfs_update_request(ctx, inode, page, offset, count); - status = (IS_ERR(req)) ? PTR_ERR(req) : 0; - if (status != -EBUSY) - break; - /* Request could not be updated. Flush it out and try again */ - status = nfs_wb_page(inode, page); - } while (status >= 0); - if (status < 0) - goto done; + status = nfs_writepage_setup(ctx, page, offset, count); + __set_page_dirty_nobuffers(page); - status = 0; - - /* Update file length */ - nfs_grow_file(page, offset, count); - /* Set the PG_uptodate flag? */ - nfs_mark_uptodate(page, req->wb_pgbase, req->wb_bytes); - nfs_unlock_request(req); -done: dprintk("NFS: nfs_updatepage returns %d (isize %Ld)\n", status, (long long)i_size_read(inode)); if (status < 0) @@ -895,7 +784,7 @@ static void nfs_writepage_release(struct nfs_page *req) #if defined(CONFIG_NFS_V3) || defined(CONFIG_NFS_V4) if (!PageError(req->wb_page)) { if (NFS_NEED_RESCHED(req)) { - nfs_mark_request_dirty(req); + nfs_redirty_request(req); goto out; } else if (NFS_NEED_COMMIT(req)) { nfs_mark_request_commit(req); @@ -977,9 +866,7 @@ static void nfs_execute_write(struct nfs_write_data *data) sigset_t oldset; rpc_clnt_sigmask(clnt, &oldset); - lock_kernel(); rpc_execute(&data->task); - unlock_kernel(); rpc_clnt_sigunmask(clnt, &oldset); } @@ -1013,7 +900,6 @@ static int nfs_flush_multi(struct inode *inode, struct list_head *head, int how) atomic_set(&req->wb_complete, requests); ClearPageError(page); - set_page_writeback(page); offset = 0; nbytes = req->wb_bytes; do { @@ -1041,9 +927,9 @@ out_bad: while (!list_empty(&list)) { data = list_entry(list.next, struct nfs_write_data, pages); list_del(&data->pages); - nfs_writedata_free(data); + nfs_writedata_release(data); } - nfs_mark_request_dirty(req); + nfs_redirty_request(req); nfs_clear_page_writeback(req); return -ENOMEM; } @@ -1074,7 +960,6 @@ static int nfs_flush_one(struct inode *inode, struct list_head *head, int how) nfs_list_remove_request(req); nfs_list_add_request(req, &data->pages); ClearPageError(req->wb_page); - set_page_writeback(req->wb_page); *pages++ = req->wb_page; count += req->wb_bytes; } @@ -1089,7 +974,7 @@ static int nfs_flush_one(struct inode *inode, struct list_head *head, int how) while (!list_empty(head)) { struct nfs_page *req = nfs_list_entry(head->next); nfs_list_remove_request(req); - nfs_mark_request_dirty(req); + nfs_redirty_request(req); nfs_clear_page_writeback(req); } return -ENOMEM; @@ -1124,7 +1009,7 @@ out_err: while (!list_empty(head)) { req = nfs_list_entry(head->next); nfs_list_remove_request(req); - nfs_mark_request_dirty(req); + nfs_redirty_request(req); nfs_clear_page_writeback(req); } return error; @@ -1440,7 +1325,7 @@ static void nfs_commit_done(struct rpc_task *task, void *calldata) } /* We have a mismatch. Write the page again */ dprintk(" mismatch\n"); - nfs_mark_request_dirty(req); + nfs_redirty_request(req); next: nfs_clear_page_writeback(req); } @@ -1457,18 +1342,17 @@ static inline int nfs_commit_list(struct inode *inode, struct list_head *head, i } #endif -static int nfs_flush_inode(struct inode *inode, unsigned long idx_start, - unsigned int npages, int how) +static long nfs_flush_mapping(struct address_space *mapping, struct writeback_control *wbc, int how) { - struct nfs_inode *nfsi = NFS_I(inode); + struct nfs_inode *nfsi = NFS_I(mapping->host); LIST_HEAD(head); - int res; + long res; spin_lock(&nfsi->req_lock); - res = nfs_scan_dirty(inode, &head, idx_start, npages); + res = nfs_scan_dirty(mapping, wbc, &head); spin_unlock(&nfsi->req_lock); if (res) { - int error = nfs_flush_list(inode, &head, res, how); + int error = nfs_flush_list(mapping->host, &head, res, how); if (error < 0) return error; } @@ -1494,38 +1378,62 @@ int nfs_commit_inode(struct inode *inode, int how) } #endif -int nfs_sync_inode_wait(struct inode *inode, unsigned long idx_start, - unsigned int npages, int how) +long nfs_sync_mapping_wait(struct address_space *mapping, struct writeback_control *wbc, int how) { + struct inode *inode = mapping->host; struct nfs_inode *nfsi = NFS_I(inode); + unsigned long idx_start, idx_end; + unsigned int npages = 0; LIST_HEAD(head); int nocommit = how & FLUSH_NOCOMMIT; - int pages, ret; - + long pages, ret; + + /* FIXME */ + if (wbc->range_cyclic) + idx_start = 0; + else { + idx_start = wbc->range_start >> PAGE_CACHE_SHIFT; + idx_end = wbc->range_end >> PAGE_CACHE_SHIFT; + if (idx_end > idx_start) { + unsigned long l_npages = 1 + idx_end - idx_start; + npages = l_npages; + if (sizeof(npages) != sizeof(l_npages) && + (unsigned long)npages != l_npages) + npages = 0; + } + } how &= ~FLUSH_NOCOMMIT; spin_lock(&nfsi->req_lock); do { + wbc->pages_skipped = 0; ret = nfs_wait_on_requests_locked(inode, idx_start, npages); if (ret != 0) continue; - pages = nfs_scan_dirty(inode, &head, idx_start, npages); + pages = nfs_scan_dirty(mapping, wbc, &head); if (pages != 0) { spin_unlock(&nfsi->req_lock); - if (how & FLUSH_INVALIDATE) + if (how & FLUSH_INVALIDATE) { nfs_cancel_dirty_list(&head); - else + ret = pages; + } else ret = nfs_flush_list(inode, &head, pages, how); spin_lock(&nfsi->req_lock); continue; } + if (wbc->pages_skipped != 0) + continue; if (nocommit) break; pages = nfs_scan_commit(inode, &head, idx_start, npages); - if (pages == 0) + if (pages == 0) { + if (wbc->pages_skipped != 0) + continue; break; + } if (how & FLUSH_INVALIDATE) { spin_unlock(&nfsi->req_lock); nfs_cancel_commit_list(&head); + ret = pages; spin_lock(&nfsi->req_lock); continue; } @@ -1538,6 +1446,106 @@ int nfs_sync_inode_wait(struct inode *inode, unsigned long idx_start, return ret; } +/* + * flush the inode to disk. + */ +int nfs_wb_all(struct inode *inode) +{ + struct address_space *mapping = inode->i_mapping; + struct writeback_control wbc = { + .bdi = mapping->backing_dev_info, + .sync_mode = WB_SYNC_ALL, + .nr_to_write = LONG_MAX, + .for_writepages = 1, + .range_cyclic = 1, + }; + int ret; + + ret = generic_writepages(mapping, &wbc); + if (ret < 0) + goto out; + ret = nfs_sync_mapping_wait(mapping, &wbc, 0); + if (ret >= 0) + return 0; +out: + __mark_inode_dirty(mapping->host, I_DIRTY_PAGES); + return ret; +} + +int nfs_sync_mapping_range(struct address_space *mapping, loff_t range_start, loff_t range_end, int how) +{ + struct writeback_control wbc = { + .bdi = mapping->backing_dev_info, + .sync_mode = WB_SYNC_ALL, + .nr_to_write = LONG_MAX, + .range_start = range_start, + .range_end = range_end, + .for_writepages = 1, + }; + int ret; + + if (!(how & FLUSH_NOWRITEPAGE)) { + ret = generic_writepages(mapping, &wbc); + if (ret < 0) + goto out; + } + ret = nfs_sync_mapping_wait(mapping, &wbc, how); + if (ret >= 0) + return 0; +out: + __mark_inode_dirty(mapping->host, I_DIRTY_PAGES); + return ret; +} + +int nfs_wb_page_priority(struct inode *inode, struct page *page, int how) +{ + loff_t range_start = page_offset(page); + loff_t range_end = range_start + (loff_t)(PAGE_CACHE_SIZE - 1); + struct writeback_control wbc = { + .bdi = page->mapping->backing_dev_info, + .sync_mode = WB_SYNC_ALL, + .nr_to_write = LONG_MAX, + .range_start = range_start, + .range_end = range_end, + }; + int ret; + + BUG_ON(!PageLocked(page)); + if (!(how & FLUSH_NOWRITEPAGE) && clear_page_dirty_for_io(page)) { + ret = nfs_writepage_locked(page, &wbc); + if (ret < 0) + goto out; + } + ret = nfs_sync_mapping_wait(page->mapping, &wbc, how); + if (ret >= 0) + return 0; +out: + __mark_inode_dirty(inode, I_DIRTY_PAGES); + return ret; +} + +/* + * Write back all requests on one page - we do this before reading it. + */ +int nfs_wb_page(struct inode *inode, struct page* page) +{ + return nfs_wb_page_priority(inode, page, FLUSH_STABLE); +} + +int nfs_set_page_dirty(struct page *page) +{ + struct nfs_page *req; + + req = nfs_page_find_request(page); + if (req != NULL) { + /* Mark any existing write requests for flushing */ + set_bit(PG_NEED_FLUSH, &req->wb_flags); + nfs_release_request(req); + } + return __set_page_dirty_nobuffers(page); +} + + int __init nfs_init_writepagecache(void) { nfs_wdata_cachep = kmem_cache_create("nfs_write_data", |