From: Pavel Shilovsky <pshilovsky@samba.org>
Date: Mon, 18 Aug 2014 16:49:58 +0000 (+0400)
Subject: CIFS: Fix wrong directory attributes after rename
X-Git-Tag: firefly_0821_release~176^2~3358^2~3
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=b46799a8f28c43c5264ac8d8ffa28b311b557e03;p=firefly-linux-kernel-4.4.55.git

CIFS: Fix wrong directory attributes after rename

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.

Cc: <stable@vger.kernel.org>
Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org>
Signed-off-by: Steve French <smfrench@gmail.com>
---

diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index 41de3935caa0..753e7a3486de 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -1717,6 +1717,12 @@ 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);