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authorTrond Myklebust <Trond.Myklebust@netapp.com>2007-01-24 11:54:55 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-01-24 12:31:06 -0800
commit717d44e849219781ced028a40fcc59d3e1f49e4c (patch)
treeaa34a9b84377d18ff58901cc342b84c7e8b81dca /include/linux/nfs_fs.h
parentbde8f00ce64d9824a4f227c8594e335a1a10d044 (diff)
downloadblackbird-op-linux-717d44e849219781ced028a40fcc59d3e1f49e4c.tar.gz
blackbird-op-linux-717d44e849219781ced028a40fcc59d3e1f49e4c.zip
[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 'include/linux/nfs_fs.h')
-rw-r--r--include/linux/nfs_fs.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index 04963063e620..c5d4084773e8 100644
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -308,6 +308,7 @@ extern int nfs_attribute_timeout(struct inode *inode);
extern int nfs_revalidate_inode(struct nfs_server *server, struct inode *inode);
extern int __nfs_revalidate_inode(struct nfs_server *, struct inode *);
extern int nfs_revalidate_mapping(struct inode *inode, struct address_space *mapping);
+extern int nfs_revalidate_mapping_nolock(struct inode *inode, struct address_space *mapping);
extern int nfs_setattr(struct dentry *, struct iattr *);
extern void nfs_setattr_update_inode(struct inode *inode, struct iattr *attr);
extern void nfs_begin_attr_update(struct inode *);
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