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| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2007-01-24 11:54:55 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-01-24 12:31:06 -0800 |
| commit | 717d44e849219781ced028a40fcc59d3e1f49e4c (patch) | |
| tree | aa34a9b84377d18ff58901cc342b84c7e8b81dca /fs/nfs/symlink.c | |
| parent | bde8f00ce64d9824a4f227c8594e335a1a10d044 (diff) | |
| download | op-kernel-dev-717d44e849219781ced028a40fcc59d3e1f49e4c.zip op-kernel-dev-717d44e849219781ced028a40fcc59d3e1f49e4c.tar.gz | |
[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/symlink.c')
| -rw-r--r-- | fs/nfs/symlink.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/nfs/symlink.c b/fs/nfs/symlink.c index 6c68611..525c136 100644 --- a/fs/nfs/symlink.c +++ b/fs/nfs/symlink.c @@ -50,7 +50,9 @@ static void *nfs_follow_link(struct dentry *dentry, struct nameidata *nd) { struct inode *inode = dentry->d_inode; struct page *page; - void *err = ERR_PTR(nfs_revalidate_mapping(inode, inode->i_mapping)); + void *err; + + err = ERR_PTR(nfs_revalidate_mapping_nolock(inode, inode->i_mapping)); if (err) goto read_failed; page = read_cache_page(&inode->i_data, 0, |
