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-rw-r--r--fs/nfs/flexfilelayout/flexfilelayout.c121
-rw-r--r--fs/nfs/inode.c68
-rw-r--r--fs/nfs/nfs4proc.c30
-rw-r--r--fs/nfs/pnfs.c4
-rw-r--r--fs/nfs/read.c3
5 files changed, 175 insertions, 51 deletions
diff --git a/fs/nfs/flexfilelayout/flexfilelayout.c b/fs/nfs/flexfilelayout/flexfilelayout.c
index 8f7ea4076653..bf96f7a8900c 100644
--- a/fs/nfs/flexfilelayout/flexfilelayout.c
+++ b/fs/nfs/flexfilelayout/flexfilelayout.c
@@ -1104,6 +1104,7 @@ static void ff_layout_reset_read(struct nfs_pgio_header *hdr)
}
static int ff_layout_async_handle_error_v4(struct rpc_task *task,
+ u32 op_status,
struct nfs4_state *state,
struct nfs_client *clp,
struct pnfs_layout_segment *lseg,
@@ -1114,32 +1115,42 @@ static int ff_layout_async_handle_error_v4(struct rpc_task *task,
struct nfs4_deviceid_node *devid = FF_LAYOUT_DEVID_NODE(lseg, idx);
struct nfs4_slot_table *tbl = &clp->cl_session->fc_slot_table;
- switch (task->tk_status) {
- case -NFS4ERR_BADSESSION:
- case -NFS4ERR_BADSLOT:
- case -NFS4ERR_BAD_HIGH_SLOT:
- case -NFS4ERR_DEADSESSION:
- case -NFS4ERR_CONN_NOT_BOUND_TO_SESSION:
- case -NFS4ERR_SEQ_FALSE_RETRY:
- case -NFS4ERR_SEQ_MISORDERED:
+ switch (op_status) {
+ case NFS4_OK:
+ case NFS4ERR_NXIO:
+ break;
+ case NFSERR_PERM:
+ if (!task->tk_xprt)
+ break;
+ xprt_force_disconnect(task->tk_xprt);
+ goto out_retry;
+ case NFS4ERR_BADSESSION:
+ case NFS4ERR_BADSLOT:
+ case NFS4ERR_BAD_HIGH_SLOT:
+ case NFS4ERR_DEADSESSION:
+ case NFS4ERR_CONN_NOT_BOUND_TO_SESSION:
+ case NFS4ERR_SEQ_FALSE_RETRY:
+ case NFS4ERR_SEQ_MISORDERED:
dprintk("%s ERROR %d, Reset session. Exchangeid "
"flags 0x%x\n", __func__, task->tk_status,
clp->cl_exchange_flags);
nfs4_schedule_session_recovery(clp->cl_session, task->tk_status);
- break;
- case -NFS4ERR_DELAY:
- case -NFS4ERR_GRACE:
+ goto out_retry;
+ case NFS4ERR_DELAY:
+ nfs_inc_stats(lseg->pls_layout->plh_inode, NFSIOS_DELAY);
+ fallthrough;
+ case NFS4ERR_GRACE:
rpc_delay(task, FF_LAYOUT_POLL_RETRY_MAX);
- break;
- case -NFS4ERR_RETRY_UNCACHED_REP:
- break;
+ goto out_retry;
+ case NFS4ERR_RETRY_UNCACHED_REP:
+ goto out_retry;
/* Invalidate Layout errors */
- case -NFS4ERR_PNFS_NO_LAYOUT:
- case -ESTALE: /* mapped NFS4ERR_STALE */
- case -EBADHANDLE: /* mapped NFS4ERR_BADHANDLE */
- case -EISDIR: /* mapped NFS4ERR_ISDIR */
- case -NFS4ERR_FHEXPIRED:
- case -NFS4ERR_WRONG_TYPE:
+ case NFS4ERR_PNFS_NO_LAYOUT:
+ case NFS4ERR_STALE:
+ case NFS4ERR_BADHANDLE:
+ case NFS4ERR_ISDIR:
+ case NFS4ERR_FHEXPIRED:
+ case NFS4ERR_WRONG_TYPE:
dprintk("%s Invalid layout error %d\n", __func__,
task->tk_status);
/*
@@ -1152,6 +1163,11 @@ static int ff_layout_async_handle_error_v4(struct rpc_task *task,
pnfs_destroy_layout(NFS_I(inode));
rpc_wake_up(&tbl->slot_tbl_waitq);
goto reset;
+ default:
+ break;
+ }
+
+ switch (task->tk_status) {
/* RPC connection errors */
case -ECONNREFUSED:
case -EHOSTDOWN:
@@ -1167,26 +1183,56 @@ static int ff_layout_async_handle_error_v4(struct rpc_task *task,
nfs4_delete_deviceid(devid->ld, devid->nfs_client,
&devid->deviceid);
rpc_wake_up(&tbl->slot_tbl_waitq);
- fallthrough;
+ break;
default:
- if (ff_layout_avoid_mds_available_ds(lseg))
- return -NFS4ERR_RESET_TO_PNFS;
-reset:
- dprintk("%s Retry through MDS. Error %d\n", __func__,
- task->tk_status);
- return -NFS4ERR_RESET_TO_MDS;
+ break;
}
+
+ if (ff_layout_avoid_mds_available_ds(lseg))
+ return -NFS4ERR_RESET_TO_PNFS;
+reset:
+ dprintk("%s Retry through MDS. Error %d\n", __func__,
+ task->tk_status);
+ return -NFS4ERR_RESET_TO_MDS;
+
+out_retry:
task->tk_status = 0;
return -EAGAIN;
}
/* Retry all errors through either pNFS or MDS except for -EJUKEBOX */
static int ff_layout_async_handle_error_v3(struct rpc_task *task,
+ u32 op_status,
+ struct nfs_client *clp,
struct pnfs_layout_segment *lseg,
u32 idx)
{
struct nfs4_deviceid_node *devid = FF_LAYOUT_DEVID_NODE(lseg, idx);
+ switch (op_status) {
+ case NFS_OK:
+ case NFSERR_NXIO:
+ break;
+ case NFSERR_PERM:
+ if (!task->tk_xprt)
+ break;
+ xprt_force_disconnect(task->tk_xprt);
+ goto out_retry;
+ case NFSERR_ACCES:
+ case NFSERR_BADHANDLE:
+ case NFSERR_FBIG:
+ case NFSERR_IO:
+ case NFSERR_NOSPC:
+ case NFSERR_ROFS:
+ case NFSERR_STALE:
+ goto out_reset_to_pnfs;
+ case NFSERR_JUKEBOX:
+ nfs_inc_stats(lseg->pls_layout->plh_inode, NFSIOS_DELAY);
+ goto out_retry;
+ default:
+ break;
+ }
+
switch (task->tk_status) {
/* File access problems. Don't mark the device as unavailable */
case -EACCES:
@@ -1205,6 +1251,7 @@ static int ff_layout_async_handle_error_v3(struct rpc_task *task,
nfs4_delete_deviceid(devid->ld, devid->nfs_client,
&devid->deviceid);
}
+out_reset_to_pnfs:
/* FIXME: Need to prevent infinite looping here. */
return -NFS4ERR_RESET_TO_PNFS;
out_retry:
@@ -1215,6 +1262,7 @@ out_retry:
}
static int ff_layout_async_handle_error(struct rpc_task *task,
+ u32 op_status,
struct nfs4_state *state,
struct nfs_client *clp,
struct pnfs_layout_segment *lseg,
@@ -1233,10 +1281,11 @@ static int ff_layout_async_handle_error(struct rpc_task *task,
switch (vers) {
case 3:
- return ff_layout_async_handle_error_v3(task, lseg, idx);
- case 4:
- return ff_layout_async_handle_error_v4(task, state, clp,
+ return ff_layout_async_handle_error_v3(task, op_status, clp,
lseg, idx);
+ case 4:
+ return ff_layout_async_handle_error_v4(task, op_status, state,
+ clp, lseg, idx);
default:
/* should never happen */
WARN_ON_ONCE(1);
@@ -1289,6 +1338,7 @@ static void ff_layout_io_track_ds_error(struct pnfs_layout_segment *lseg,
switch (status) {
case NFS4ERR_DELAY:
case NFS4ERR_GRACE:
+ case NFS4ERR_PERM:
break;
case NFS4ERR_NXIO:
ff_layout_mark_ds_unreachable(lseg, idx);
@@ -1321,7 +1371,8 @@ static int ff_layout_read_done_cb(struct rpc_task *task,
trace_ff_layout_read_error(hdr);
}
- err = ff_layout_async_handle_error(task, hdr->args.context->state,
+ err = ff_layout_async_handle_error(task, hdr->res.op_status,
+ hdr->args.context->state,
hdr->ds_clp, hdr->lseg,
hdr->pgio_mirror_idx);
@@ -1491,7 +1542,8 @@ static int ff_layout_write_done_cb(struct rpc_task *task,
trace_ff_layout_write_error(hdr);
}
- err = ff_layout_async_handle_error(task, hdr->args.context->state,
+ err = ff_layout_async_handle_error(task, hdr->res.op_status,
+ hdr->args.context->state,
hdr->ds_clp, hdr->lseg,
hdr->pgio_mirror_idx);
@@ -1537,8 +1589,9 @@ static int ff_layout_commit_done_cb(struct rpc_task *task,
trace_ff_layout_commit_error(data);
}
- err = ff_layout_async_handle_error(task, NULL, data->ds_clp,
- data->lseg, data->ds_commit_index);
+ err = ff_layout_async_handle_error(task, data->res.op_status,
+ NULL, data->ds_clp, data->lseg,
+ data->ds_commit_index);
trace_nfs4_pnfs_commit_ds(data, err);
switch (err) {
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 330273cf9453..8827cb00f86d 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -557,6 +557,8 @@ nfs_fhget(struct super_block *sb, struct nfs_fh *fh, struct nfs_fattr *fattr)
set_nlink(inode, fattr->nlink);
else if (fattr_supported & NFS_ATTR_FATTR_NLINK)
nfs_set_cache_invalid(inode, NFS_INO_INVALID_NLINK);
+ else
+ set_nlink(inode, 1);
if (fattr->valid & NFS_ATTR_FATTR_OWNER)
inode->i_uid = fattr->uid;
else if (fattr_supported & NFS_ATTR_FATTR_OWNER)
@@ -633,6 +635,34 @@ nfs_fattr_fixup_delegated(struct inode *inode, struct nfs_fattr *fattr)
}
}
+static void nfs_set_timestamps_to_ts(struct inode *inode, struct iattr *attr)
+{
+ unsigned int cache_flags = 0;
+
+ if (attr->ia_valid & ATTR_MTIME_SET) {
+ struct timespec64 ctime = inode_get_ctime(inode);
+ struct timespec64 mtime = inode_get_mtime(inode);
+ struct timespec64 now;
+ int updated = 0;
+
+ now = inode_set_ctime_current(inode);
+ if (!timespec64_equal(&now, &ctime))
+ updated |= S_CTIME;
+
+ inode_set_mtime_to_ts(inode, attr->ia_mtime);
+ if (!timespec64_equal(&now, &mtime))
+ updated |= S_MTIME;
+
+ inode_maybe_inc_iversion(inode, updated);
+ cache_flags |= NFS_INO_INVALID_CTIME | NFS_INO_INVALID_MTIME;
+ }
+ if (attr->ia_valid & ATTR_ATIME_SET) {
+ inode_set_atime_to_ts(inode, attr->ia_atime);
+ cache_flags |= NFS_INO_INVALID_ATIME;
+ }
+ NFS_I(inode)->cache_validity &= ~cache_flags;
+}
+
static void nfs_update_timestamps(struct inode *inode, unsigned int ia_valid)
{
enum file_time_flags time_flags = 0;
@@ -701,14 +731,27 @@ nfs_setattr(struct mnt_idmap *idmap, struct dentry *dentry,
if (nfs_have_delegated_mtime(inode) && attr->ia_valid & ATTR_MTIME) {
spin_lock(&inode->i_lock);
- nfs_update_timestamps(inode, attr->ia_valid);
+ if (attr->ia_valid & ATTR_MTIME_SET) {
+ nfs_set_timestamps_to_ts(inode, attr);
+ attr->ia_valid &= ~(ATTR_MTIME|ATTR_MTIME_SET|
+ ATTR_ATIME|ATTR_ATIME_SET);
+ } else {
+ nfs_update_timestamps(inode, attr->ia_valid);
+ attr->ia_valid &= ~(ATTR_MTIME|ATTR_ATIME);
+ }
spin_unlock(&inode->i_lock);
- attr->ia_valid &= ~(ATTR_MTIME | ATTR_ATIME);
} else if (nfs_have_delegated_atime(inode) &&
attr->ia_valid & ATTR_ATIME &&
!(attr->ia_valid & ATTR_MTIME)) {
- nfs_update_delegated_atime(inode);
- attr->ia_valid &= ~ATTR_ATIME;
+ if (attr->ia_valid & ATTR_ATIME_SET) {
+ spin_lock(&inode->i_lock);
+ nfs_set_timestamps_to_ts(inode, attr);
+ spin_unlock(&inode->i_lock);
+ attr->ia_valid &= ~(ATTR_ATIME|ATTR_ATIME_SET);
+ } else {
+ nfs_update_delegated_atime(inode);
+ attr->ia_valid &= ~ATTR_ATIME;
+ }
}
/* Optimization: if the end result is no change, don't RPC */
@@ -2543,15 +2586,26 @@ EXPORT_SYMBOL_GPL(nfs_net_id);
static int nfs_net_init(struct net *net)
{
struct nfs_net *nn = net_generic(net, nfs_net_id);
+ int err;
nfs_clients_init(net);
if (!rpc_proc_register(net, &nn->rpcstats)) {
- nfs_clients_exit(net);
- return -ENOMEM;
+ err = -ENOMEM;
+ goto err_proc_rpc;
}
- return nfs_fs_proc_net_init(net);
+ err = nfs_fs_proc_net_init(net);
+ if (err)
+ goto err_proc_nfs;
+
+ return 0;
+
+err_proc_nfs:
+ rpc_proc_unregister(net, "nfs");
+err_proc_rpc:
+ nfs_clients_exit(net);
+ return err;
}
static void nfs_net_exit(struct net *net)
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 11f2b5cb3b06..77b239b10d41 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -313,14 +313,14 @@ static void nfs4_bitmap_copy_adjust(__u32 *dst, const __u32 *src,
if (nfs_have_delegated_mtime(inode)) {
if (!(cache_validity & NFS_INO_INVALID_ATIME))
- dst[1] &= ~FATTR4_WORD1_TIME_ACCESS;
+ dst[1] &= ~(FATTR4_WORD1_TIME_ACCESS|FATTR4_WORD1_TIME_ACCESS_SET);
if (!(cache_validity & NFS_INO_INVALID_MTIME))
- dst[1] &= ~FATTR4_WORD1_TIME_MODIFY;
+ dst[1] &= ~(FATTR4_WORD1_TIME_MODIFY|FATTR4_WORD1_TIME_MODIFY_SET);
if (!(cache_validity & NFS_INO_INVALID_CTIME))
- dst[1] &= ~FATTR4_WORD1_TIME_METADATA;
+ dst[1] &= ~(FATTR4_WORD1_TIME_METADATA|FATTR4_WORD1_TIME_MODIFY_SET);
} else if (nfs_have_delegated_atime(inode)) {
if (!(cache_validity & NFS_INO_INVALID_ATIME))
- dst[1] &= ~FATTR4_WORD1_TIME_ACCESS;
+ dst[1] &= ~(FATTR4_WORD1_TIME_ACCESS|FATTR4_WORD1_TIME_ACCESS_SET);
}
}
@@ -3957,8 +3957,9 @@ static int _nfs4_server_capabilities(struct nfs_server *server, struct nfs_fh *f
FATTR4_WORD0_CASE_INSENSITIVE |
FATTR4_WORD0_CASE_PRESERVING;
if (minorversion)
- bitmask[2] = FATTR4_WORD2_SUPPATTR_EXCLCREAT |
- FATTR4_WORD2_OPEN_ARGUMENTS;
+ bitmask[2] = FATTR4_WORD2_SUPPATTR_EXCLCREAT;
+ if (minorversion > 1)
+ bitmask[2] |= FATTR4_WORD2_OPEN_ARGUMENTS;
status = nfs4_call_sync(server->client, server, &msg, &args.seq_args, &res.seq_res, 0);
if (status == 0) {
@@ -6173,6 +6174,8 @@ static ssize_t nfs4_proc_get_acl(struct inode *inode, void *buf, size_t buflen,
struct nfs_server *server = NFS_SERVER(inode);
int ret;
+ if (unlikely(NFS_FH(inode)->size == 0))
+ return -ENODATA;
if (!nfs4_server_supports_acls(server, type))
return -EOPNOTSUPP;
ret = nfs_revalidate_inode(inode, NFS_INO_INVALID_CHANGE);
@@ -6247,6 +6250,9 @@ static int nfs4_proc_set_acl(struct inode *inode, const void *buf,
{
struct nfs4_exception exception = { };
int err;
+
+ if (unlikely(NFS_FH(inode)->size == 0))
+ return -ENODATA;
do {
err = __nfs4_proc_set_acl(inode, buf, buflen, type);
trace_nfs4_set_acl(inode, err);
@@ -10813,7 +10819,7 @@ const struct nfs4_minor_version_ops *nfs_v4_minor_ops[] = {
static ssize_t nfs4_listxattr(struct dentry *dentry, char *list, size_t size)
{
- ssize_t error, error2, error3;
+ ssize_t error, error2, error3, error4;
size_t left = size;
error = generic_listxattr(dentry, list, left);
@@ -10836,8 +10842,16 @@ static ssize_t nfs4_listxattr(struct dentry *dentry, char *list, size_t size)
error3 = nfs4_listxattr_nfs4_user(d_inode(dentry), list, left);
if (error3 < 0)
return error3;
+ if (list) {
+ list += error3;
+ left -= error3;
+ }
+
+ error4 = security_inode_listsecurity(d_inode(dentry), list, left);
+ if (error4 < 0)
+ return error4;
- error += error2 + error3;
+ error += error2 + error3 + error4;
if (size && error > size)
return -ERANGE;
return error;
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index 683e09be25ad..6b888e9ff394 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -2051,8 +2051,10 @@ static void nfs_layoutget_begin(struct pnfs_layout_hdr *lo)
static void nfs_layoutget_end(struct pnfs_layout_hdr *lo)
{
if (atomic_dec_and_test(&lo->plh_outstanding) &&
- test_and_clear_bit(NFS_LAYOUT_DRAIN, &lo->plh_flags))
+ test_and_clear_bit(NFS_LAYOUT_DRAIN, &lo->plh_flags)) {
+ smp_mb__after_atomic();
wake_up_bit(&lo->plh_flags, NFS_LAYOUT_DRAIN);
+ }
}
static bool pnfs_is_first_layoutget(struct pnfs_layout_hdr *lo)
diff --git a/fs/nfs/read.c b/fs/nfs/read.c
index 81bd1b9aba17..3c1fa320b3f1 100644
--- a/fs/nfs/read.c
+++ b/fs/nfs/read.c
@@ -56,7 +56,8 @@ static int nfs_return_empty_folio(struct folio *folio)
{
folio_zero_segment(folio, 0, folio_size(folio));
folio_mark_uptodate(folio);
- folio_unlock(folio);
+ if (nfs_netfs_folio_unlock(folio))
+ folio_unlock(folio);
return 0;
}