[PATCH 3.10 62/71] CIFS: Fix wrong directory attributes after rename

[Greg Kroah-Hartman]

3.10-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Pavel Shilovsky <pshilovsky@xxxxxxxxx>

commit b46799a8f28c43c5264ac8d8ffa28b311b557e03 upstream.

When we requests rename we also need to update attributes
of both source and target parent directories. Not doing it
causes generic/309 xfstest to fail on SMB2 mounts. Fix this
by marking these directories for force revalidating.

Signed-off-by: Pavel Shilovsky <pshilovsky@xxxxxxxxx>
Signed-off-by: Steve French <smfrench@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 fs/cifs/inode.c |    6 ++++++
 1 file changed, 6 insertions(+)

--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -1647,6 +1647,12 @@ unlink_target:
 				    target_dentry, to_name);
 	}
 
+	/* force revalidate to go get info when needed */
+	CIFS_I(source_dir)->time = CIFS_I(target_dir)->time = 0;
+
+	source_dir->i_ctime = source_dir->i_mtime = target_dir->i_ctime =
+		target_dir->i_mtime = current_fs_time(source_dir->i_sb);
+
 cifs_rename_exit:
 	kfree(info_buf_source);
 	kfree(from_name);


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