Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755865Ab3JCGR6 (ORCPT ); Thu, 3 Oct 2013 02:17:58 -0400 Received: from zeniv.linux.org.uk ([195.92.253.2]:41544 "EHLO ZenIV.linux.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755782Ab3JCGR5 (ORCPT ); Thu, 3 Oct 2013 02:17:57 -0400 Date: Thu, 03 Oct 2013 07:17:56 +0100 To: torvalds@linux-foundation.org Subject: [PATCH 03/17] dup_mnt_ns(): get rid of pointless grabbing of vfsmount_lock Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org User-Agent: Heirloom mailx 12.5 7/5/10 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-Id: From: Al Viro Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 904 Lines: 31 mnt_list is protected by namespace_sem, not vfsmount_lock Signed-off-by: Al Viro --- fs/namespace.c | 2 -- 1 files changed, 0 insertions(+), 2 deletions(-) diff --git a/fs/namespace.c b/fs/namespace.c index f6b7010..09a255d 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -2444,9 +2444,7 @@ static struct mnt_namespace *dup_mnt_ns(struct mnt_namespace *mnt_ns, return ERR_CAST(new); } new_ns->root = new; - br_write_lock(&vfsmount_lock); list_add_tail(&new_ns->list, &new->mnt_list); - br_write_unlock(&vfsmount_lock); /* * Second pass: switch the tsk->fs->* elements and mark new vfsmounts -- 1.7.2.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/