diff options
| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2010-02-08 09:32:27 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-04-01 15:55:51 -0700 |
| commit | 5ee251e7438aa1bc21700c7550796221ece7592e (patch) | |
| tree | 6c8190b91883d15970ab301fae133eb65a11e337 | |
| parent | 236638ad883fec47a3db42d823a80483733143a5 (diff) | |
NFS: Fix a bug in nfs_fscache_release_page()
commit 2c1740098c708b465e87637b237feb2fd98f129a upstream.
Not having an fscache cookie is perfectly valid if the user didn't mount
with the fscache option.
This patch fixes http://bugzilla.kernel.org/show_bug.cgi?id=15234
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| -rw-r--r-- | fs/nfs/fscache.c | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/fs/nfs/fscache.c b/fs/nfs/fscache.c index 379be678cb7e..a81d05b693f9 100644 --- a/fs/nfs/fscache.c +++ b/fs/nfs/fscache.c @@ -337,21 +337,20 @@ void nfs_fscache_reset_inode_cookie(struct inode *inode) */ int nfs_fscache_release_page(struct page *page, gfp_t gfp) { - struct nfs_inode *nfsi = NFS_I(page->mapping->host); - struct fscache_cookie *cookie = nfsi->fscache; - - BUG_ON(!cookie); - - if (fscache_check_page_write(cookie, page)) { - if (!(gfp & __GFP_WAIT)) - return 0; - fscache_wait_on_page_write(cookie, page); - } - if (PageFsCache(page)) { + struct nfs_inode *nfsi = NFS_I(page->mapping->host); + struct fscache_cookie *cookie = nfsi->fscache; + + BUG_ON(!cookie); dfprintk(FSCACHE, "NFS: fscache releasepage (0x%p/0x%p/0x%p)\n", cookie, page, nfsi); + if (fscache_check_page_write(cookie, page)) { + if (!(gfp & __GFP_WAIT)) + return 0; + fscache_wait_on_page_write(cookie, page); + } + fscache_uncache_page(cookie, page); nfs_add_fscache_stats(page->mapping->host, NFSIOS_FSCACHE_PAGES_UNCACHED, 1); |