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authorTrond Myklebust <Trond.Myklebust@netapp.com>2010-11-30 21:56:32 -0500
committerTrond Myklebust <Trond.Myklebust@netapp.com>2010-12-01 08:16:16 -0500
commit0aded708d125a3ff7e5abaea9c2d9c6d7ebbfdcd (patch)
tree124bb3e0e1cd8104f9310f7df224ca00301c10c7 /fs/nfs/dir.c
parent22a5b566c8c442b0b35b3b106795e2f2b3578096 (diff)
downloadtalos-op-linux-0aded708d125a3ff7e5abaea9c2d9c6d7ebbfdcd.tar.gz
talos-op-linux-0aded708d125a3ff7e5abaea9c2d9c6d7ebbfdcd.zip
NFS: Ensure we use the correct cookie in nfs_readdir_xdr_filler
We need to use the cookie from the previous array entry, not the actual cookie that we are searching for (except for the case of uncached_readdir). Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/dir.c')
-rw-r--r--fs/nfs/dir.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index f0a384e2ae63..e03537ff9350 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -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;
@@ -344,6 +345,8 @@ 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;
nfs_readdir_release_array(desc->page);
out:
return status;
@@ -563,7 +566,7 @@ 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();
@@ -672,8 +675,10 @@ 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;
+ desc->last_cookie = 0;
+ }
while (1) {
res = find_cache_page(desc);
if (res != -EAGAIN)
@@ -764,6 +769,7 @@ 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);
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