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authorTrond Myklebust2007-01-24 11:54:55 -0800
committerLinus Torvalds2007-01-24 12:31:06 -0800
commit717d44e849219781ced028a40fcc59d3e1f49e4c (patch)
treeaa34a9b84377d18ff58901cc342b84c7e8b81dca /fs/nfs/dir.c
parentbde8f00ce64d9824a4f227c8594e335a1a10d044 (diff)
[PATCH] NFS: Fix races in nfs_revalidate_mapping()
Prevent the call to invalidate_inode_pages2() from racing with file writes by taking the inode->i_mutex across the page cache flush and invalidate. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/nfs/dir.c')
-rw-r--r--fs/nfs/dir.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index dee3d6c0f194..d9ba8cb0ee75 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -532,7 +532,7 @@ static int nfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
lock_kernel();
- res = nfs_revalidate_mapping(inode, filp->f_mapping);
+ res = nfs_revalidate_mapping_nolock(inode, filp->f_mapping);
if (res < 0) {
unlock_kernel();
return res;