linux-kernel - [PATCH 58/62] ocfs2: Improve rename locking

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Message-Id: <12071674402193-git-send-email-mfasheh@suse.com>
Date:	Wed,  2 Apr 2008 13:15:08 -0700
From:	Mark Fasheh <mfasheh@...e.com>
To:	linux-kernel@...r.kernel.org
Cc:	ocfs2-devel@....oracle.com, Joel Becker <joel.becker@...cle.com>,
	Jan Kara <jack@...e.cz>
Subject: [PATCH 58/62] ocfs2: Improve rename locking

From: Jan Kara <jack@...e.cz>

ocfs2_rename() was being too aggressive with the rename lock - we only need
it for certain forms of directory rename.

Signed-off-by: Jan Kara <jack@...e.cz>
Signed-off-by: Mark Fasheh <mfasheh@...e.com>
---
 fs/ocfs2/namei.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c
index ab5a227..d5d808f 100644
--- a/fs/ocfs2/namei.c
+++ b/fs/ocfs2/namei.c
@@ -997,7 +997,7 @@ static int ocfs2_rename(struct inode *old_dir,
 	 *
 	 * And that's why, just like the VFS, we need a file system
 	 * rename lock. */
-	if (old_dentry != new_dentry) {
+	if (old_dir != new_dir && S_ISDIR(old_inode->i_mode)) {
 		status = ocfs2_rename_lock(osb);
 		if (status < 0) {
 			mlog_errno(status);
-- 
1.5.4.1

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