[PATCH 13/14] fs/9p: Workaround vfs rename rehash bug

From: Aneesh Kumar K.V
Date: Thu Feb 17 2011 - 13:02:49 EST


This is similar to what ceph, ocfs2 and nfs does
http://kerneltrap.org/mailarchive/linux-fsdevel/2008/4/18/1498534

May be we should get vfs fixed

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxxxxxxx>
---
fs/9p/vfs_inode.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index eaa089c..52dacbb 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -895,6 +895,11 @@ clunk_newdir:
clear_nlink(new_inode);
else
drop_nlink(new_inode);
+ /*
+ * Work around vfs rename rehash bug with
+ * FS_RENAME_DOES_D_MOVE
+ */
+ v9fs_invalidate_inode_attr(new_inode);
}
if (S_ISDIR(old_inode->i_mode)) {
if (!new_inode)
--
1.7.1

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