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Diffstat (limited to 'fs/nfs')
-rw-r--r--fs/nfs/dir.c76
-rw-r--r--fs/nfs/file.c2
-rw-r--r--fs/nfs/inode.c1
-rw-r--r--fs/nfs/mount_clnt.c4
-rw-r--r--fs/nfs/nfs4proc.c9
-rw-r--r--fs/nfs/pagelist.c4
-rw-r--r--fs/nfs/read.c1
-rw-r--r--fs/nfs/super.c4
-rw-r--r--fs/nfs/write.c3
9 files changed, 53 insertions, 51 deletions
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index f0a384e2ae63..996dd8989a91 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -57,7 +57,7 @@ static int nfs_rename(struct inode *, struct dentry *,
struct inode *, struct dentry *);
static int nfs_fsync_dir(struct file *, int);
static loff_t nfs_llseek_dir(struct file *, loff_t, int);
-static int nfs_readdir_clear_array(struct page*, gfp_t);
+static void nfs_readdir_clear_array(struct page*);
const struct file_operations nfs_dir_operations = {
.llseek = nfs_llseek_dir,
@@ -83,8 +83,8 @@ const struct inode_operations nfs_dir_inode_operations = {
.setattr = nfs_setattr,
};
-const struct address_space_operations nfs_dir_addr_space_ops = {
- .releasepage = nfs_readdir_clear_array,
+const struct address_space_operations nfs_dir_aops = {
+ .freepage = nfs_readdir_clear_array,
};
#ifdef CONFIG_NFS_V3
@@ -178,6 +178,7 @@ typedef struct {
struct page *page;
unsigned long page_index;
u64 *dir_cookie;
+ u64 last_cookie;
loff_t current_index;
decode_dirent_t decode;
@@ -213,17 +214,15 @@ void nfs_readdir_release_array(struct page *page)
* we are freeing strings created by nfs_add_to_readdir_array()
*/
static
-int nfs_readdir_clear_array(struct page *page, gfp_t mask)
+void nfs_readdir_clear_array(struct page *page)
{
- struct nfs_cache_array *array = nfs_readdir_get_array(page);
+ struct nfs_cache_array *array;
int i;
- if (IS_ERR(array))
- return PTR_ERR(array);
+ array = kmap_atomic(page, KM_USER0);
for (i = 0; i < array->size; i++)
kfree(array->array[i].string.name);
- nfs_readdir_release_array(page);
- return 0;
+ kunmap_atomic(array, KM_USER0);
}
/*
@@ -272,7 +271,7 @@ int nfs_readdir_add_to_array(struct nfs_entry *entry, struct page *page)
goto out;
array->last_cookie = entry->cookie;
array->size++;
- if (entry->eof == 1)
+ if (entry->eof != 0)
array->eof_index = array->size;
out:
nfs_readdir_release_array(page);
@@ -312,15 +311,14 @@ int nfs_readdir_search_for_cookie(struct nfs_cache_array *array, nfs_readdir_des
for (i = 0; i < array->size; i++) {
if (array->array[i].cookie == *desc->dir_cookie) {
desc->cache_entry_index = i;
- status = 0;
- goto out;
+ return 0;
}
}
- if (i == array->eof_index) {
- desc->eof = 1;
+ if (array->eof_index >= 0) {
status = -EBADCOOKIE;
+ if (*desc->dir_cookie == array->last_cookie)
+ desc->eof = 1;
}
-out:
return status;
}
@@ -328,10 +326,7 @@ static
int nfs_readdir_search_array(nfs_readdir_descriptor_t *desc)
{
struct nfs_cache_array *array;
- int status = -EBADCOOKIE;
-
- if (desc->dir_cookie == NULL)
- goto out;
+ int status;
array = nfs_readdir_get_array(desc->page);
if (IS_ERR(array)) {
@@ -344,6 +339,10 @@ int nfs_readdir_search_array(nfs_readdir_descriptor_t *desc)
else
status = nfs_readdir_search_for_cookie(array, desc);
+ if (status == -EAGAIN) {
+ desc->last_cookie = array->last_cookie;
+ desc->page_index++;
+ }
nfs_readdir_release_array(desc->page);
out:
return status;
@@ -490,7 +489,7 @@ int nfs_readdir_page_filler(nfs_readdir_descriptor_t *desc, struct nfs_entry *en
count++;
- if (desc->plus == 1)
+ if (desc->plus != 0)
nfs_prime_dcache(desc->file->f_path.dentry, entry);
status = nfs_readdir_add_to_array(entry, page);
@@ -498,7 +497,7 @@ int nfs_readdir_page_filler(nfs_readdir_descriptor_t *desc, struct nfs_entry *en
break;
} while (!entry->eof);
- if (count == 0 || (status == -EBADCOOKIE && entry->eof == 1)) {
+ if (count == 0 || (status == -EBADCOOKIE && entry->eof != 0)) {
array = nfs_readdir_get_array(page);
if (!IS_ERR(array)) {
array->eof_index = array->size;
@@ -563,7 +562,7 @@ int nfs_readdir_xdr_to_array(nfs_readdir_descriptor_t *desc, struct page *page,
unsigned int array_size = ARRAY_SIZE(pages);
entry.prev_cookie = 0;
- entry.cookie = *desc->dir_cookie;
+ entry.cookie = desc->last_cookie;
entry.eof = 0;
entry.fh = nfs_alloc_fhandle();
entry.fattr = nfs_alloc_fattr();
@@ -636,6 +635,8 @@ int nfs_readdir_filler(nfs_readdir_descriptor_t *desc, struct page* page)
static
void cache_page_release(nfs_readdir_descriptor_t *desc)
{
+ if (!desc->page->mapping)
+ nfs_readdir_clear_array(desc->page);
page_cache_release(desc->page);
desc->page = NULL;
}
@@ -660,9 +661,8 @@ int find_cache_page(nfs_readdir_descriptor_t *desc)
return PTR_ERR(desc->page);
res = nfs_readdir_search_array(desc);
- if (res == 0)
- return 0;
- cache_page_release(desc);
+ if (res != 0)
+ cache_page_release(desc);
return res;
}
@@ -672,22 +672,16 @@ int readdir_search_pagecache(nfs_readdir_descriptor_t *desc)
{
int res;
- if (desc->page_index == 0)
+ if (desc->page_index == 0) {
desc->current_index = 0;
- while (1) {
- res = find_cache_page(desc);
- if (res != -EAGAIN)
- break;
- desc->page_index++;
+ desc->last_cookie = 0;
}
+ do {
+ res = find_cache_page(desc);
+ } while (res == -EAGAIN);
return res;
}
-static inline unsigned int dt_type(struct inode *inode)
-{
- return (inode->i_mode >> 12) & 15;
-}
-
/*
* Once we've found the start of the dirent within a page: fill 'er up...
*/
@@ -717,13 +711,12 @@ int nfs_do_filldir(nfs_readdir_descriptor_t *desc, void *dirent,
break;
}
file->f_pos++;
- desc->cache_entry_index = i;
if (i < (array->size-1))
*desc->dir_cookie = array->array[i+1].cookie;
else
*desc->dir_cookie = array->last_cookie;
}
- if (i == array->eof_index)
+ if (array->eof_index >= 0)
desc->eof = 1;
nfs_readdir_release_array(desc->page);
@@ -764,6 +757,7 @@ int uncached_readdir(nfs_readdir_descriptor_t *desc, void *dirent,
}
desc->page_index = 0;
+ desc->last_cookie = *desc->dir_cookie;
desc->page = page;
status = nfs_readdir_xdr_to_array(desc, page, inode);
@@ -791,7 +785,7 @@ static int nfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
struct inode *inode = dentry->d_inode;
nfs_readdir_descriptor_t my_desc,
*desc = &my_desc;
- int res = -ENOMEM;
+ int res;
dfprintk(FILE, "NFS: readdir(%s/%s) starting at cookie %llu\n",
dentry->d_parent->d_name.name, dentry->d_name.name,
@@ -816,7 +810,7 @@ static int nfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
if (res < 0)
goto out;
- while (desc->eof != 1) {
+ do {
res = readdir_search_pagecache(desc);
if (res == -EBADCOOKIE) {
@@ -844,7 +838,7 @@ static int nfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
res = nfs_do_filldir(desc, dirent, filldir);
if (res < 0)
break;
- }
+ } while (!desc->eof);
out:
nfs_unblock_sillyrename(dentry);
if (res > 0)
diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index 60677f9f1311..7bf029ef4084 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -693,6 +693,7 @@ do_getlk(struct file *filp, int cmd, struct file_lock *fl, int is_local)
{
struct inode *inode = filp->f_mapping->host;
int status = 0;
+ unsigned int saved_type = fl->fl_type;
/* Try local locking first */
posix_test_lock(filp, fl);
@@ -700,6 +701,7 @@ do_getlk(struct file *filp, int cmd, struct file_lock *fl, int is_local)
/* found a conflict */
goto out;
}
+ fl->fl_type = saved_type;
if (nfs_have_delegation(inode, FMODE_READ))
goto out_noconflict;
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 314f57164602..e67e31c73416 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -289,6 +289,7 @@ nfs_fhget(struct super_block *sb, struct nfs_fh *fh, struct nfs_fattr *fattr)
} else if (S_ISDIR(inode->i_mode)) {
inode->i_op = NFS_SB(sb)->nfs_client->rpc_ops->dir_inode_ops;
inode->i_fop = &nfs_dir_operations;
+ inode->i_data.a_ops = &nfs_dir_aops;
if (nfs_server_capable(inode, NFS_CAP_READDIRPLUS))
set_bit(NFS_INO_ADVISE_RDPLUS, &NFS_I(inode)->flags);
/* Deal with crossing mountpoints */
diff --git a/fs/nfs/mount_clnt.c b/fs/nfs/mount_clnt.c
index eceafe74f473..4f981f1f6689 100644
--- a/fs/nfs/mount_clnt.c
+++ b/fs/nfs/mount_clnt.c
@@ -505,13 +505,13 @@ static struct rpc_procinfo mnt3_procedures[] = {
static struct rpc_version mnt_version1 = {
.number = 1,
- .nrprocs = 2,
+ .nrprocs = ARRAY_SIZE(mnt_procedures),
.procs = mnt_procedures,
};
static struct rpc_version mnt_version3 = {
.number = 3,
- .nrprocs = 2,
+ .nrprocs = ARRAY_SIZE(mnt3_procedures),
.procs = mnt3_procedures,
};
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 6a653ffd8e4e..4435e5e1f904 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -3361,6 +3361,8 @@ static ssize_t nfs4_proc_get_acl(struct inode *inode, void *buf, size_t buflen)
ret = nfs_revalidate_inode(server, inode);
if (ret < 0)
return ret;
+ if (NFS_I(inode)->cache_validity & NFS_INO_INVALID_ACL)
+ nfs_zap_acl_cache(inode);
ret = nfs4_read_cached_acl(inode, buf, buflen);
if (ret != -ENOENT)
return ret;
@@ -3389,6 +3391,13 @@ static int __nfs4_proc_set_acl(struct inode *inode, const void *buf, size_t bufl
nfs_inode_return_delegation(inode);
buf_to_pages(buf, buflen, arg.acl_pages, &arg.acl_pgbase);
ret = nfs4_call_sync(server, &msg, &arg, &res, 1);
+ /*
+ * Acl update can result in inode attribute update.
+ * so mark the attribute cache invalid.
+ */
+ spin_lock(&inode->i_lock);
+ NFS_I(inode)->cache_validity |= NFS_INO_INVALID_ATTR;
+ spin_unlock(&inode->i_lock);
nfs_access_zap_cache(inode);
nfs_zap_acl_cache(inode);
return ret;
diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c
index 137b549e63db..b68536cc9046 100644
--- a/fs/nfs/pagelist.c
+++ b/fs/nfs/pagelist.c
@@ -115,7 +115,7 @@ int nfs_set_page_tag_locked(struct nfs_page *req)
{
if (!nfs_lock_request_dontget(req))
return 0;
- if (req->wb_page != NULL)
+ if (test_bit(PG_MAPPED, &req->wb_flags))
radix_tree_tag_set(&NFS_I(req->wb_context->path.dentry->d_inode)->nfs_page_tree, req->wb_index, NFS_PAGE_TAG_LOCKED);
return 1;
}
@@ -125,7 +125,7 @@ int nfs_set_page_tag_locked(struct nfs_page *req)
*/
void nfs_clear_page_tag_locked(struct nfs_page *req)
{
- if (req->wb_page != NULL) {
+ if (test_bit(PG_MAPPED, &req->wb_flags)) {
struct inode *inode = req->wb_context->path.dentry->d_inode;
struct nfs_inode *nfsi = NFS_I(inode);
diff --git a/fs/nfs/read.c b/fs/nfs/read.c
index e4b62c6f5a6e..aedcaa7f291f 100644
--- a/fs/nfs/read.c
+++ b/fs/nfs/read.c
@@ -152,7 +152,6 @@ static void nfs_readpage_release(struct nfs_page *req)
(long long)NFS_FILEID(req->wb_context->path.dentry->d_inode),
req->wb_bytes,
(long long)req_offset(req));
- nfs_clear_request(req);
nfs_release_request(req);
}
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index 3c045044fca2..4100630c9a5b 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -1069,12 +1069,10 @@ static int nfs_parse_mount_options(char *raw,
mnt->flags |= NFS_MOUNT_VER3;
mnt->version = 3;
break;
-#ifdef CONFIG_NFS_V4
case Opt_v4:
mnt->flags &= ~NFS_MOUNT_VER3;
mnt->version = 4;
break;
-#endif
case Opt_udp:
mnt->flags &= ~NFS_MOUNT_TCP;
mnt->nfs_server.protocol = XPRT_TRANSPORT_UDP;
@@ -1286,12 +1284,10 @@ static int nfs_parse_mount_options(char *raw,
mnt->flags |= NFS_MOUNT_VER3;
mnt->version = 3;
break;
-#ifdef CONFIG_NFS_V4
case NFS4_VERSION:
mnt->flags &= ~NFS_MOUNT_VER3;
mnt->version = 4;
break;
-#endif
default:
goto out_invalid_value;
}
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index 4c14c17a5276..10d648ea128b 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -390,6 +390,7 @@ static int nfs_inode_add_request(struct inode *inode, struct nfs_page *req)
if (nfs_have_delegation(inode, FMODE_WRITE))
nfsi->change_attr++;
}
+ set_bit(PG_MAPPED, &req->wb_flags);
SetPagePrivate(req->wb_page);
set_page_private(req->wb_page, (unsigned long)req);
nfsi->npages++;
@@ -415,6 +416,7 @@ static void nfs_inode_remove_request(struct nfs_page *req)
spin_lock(&inode->i_lock);
set_page_private(req->wb_page, 0);
ClearPagePrivate(req->wb_page);
+ clear_bit(PG_MAPPED, &req->wb_flags);
radix_tree_delete(&nfsi->nfs_page_tree, req->wb_index);
nfsi->npages--;
if (!nfsi->npages) {
@@ -422,7 +424,6 @@ static void nfs_inode_remove_request(struct nfs_page *req)
iput(inode);
} else
spin_unlock(&inode->i_lock);
- nfs_clear_request(req);
nfs_release_request(req);
}
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-20 01:37:21 +0300