From patchwork Fri Apr 22 09:41:51 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Sterba X-Patchwork-Id: 727041 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id p3MBTQd2008298 for ; Fri, 22 Apr 2011 11:29:26 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755246Ab1DVL3S (ORCPT ); Fri, 22 Apr 2011 07:29:18 -0400 Received: from twin.jikos.cz ([89.185.236.188]:47238 "EHLO twin.jikos.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755175Ab1DVL3O (ORCPT ); Fri, 22 Apr 2011 07:29:14 -0400 Received: from twin.jikos.cz (dave@localhost [127.0.0.1]) by twin.jikos.cz (8.13.6/8.13.6) with ESMTP id p3MBTCIb008619 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Fri, 22 Apr 2011 13:29:12 +0200 Received: (from dave@localhost) by twin.jikos.cz (8.13.6/8.13.6/Submit) id p3MBTCEs008618 for linux-btrfs@vger.kernel.org; Fri, 22 Apr 2011 13:29:12 +0200 X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on twin.jikos.cz X-Spam-Status: No, score=-9.4 required=5.0 tests=AWL, BAYES_00, RCVD_IN_DNSWL_HI autolearn=ham version=3.2.5 X-Spam-Level: Received: from mx1.suse.de (cantor.suse.de [195.135.220.2]) by twin.jikos.cz (8.13.6/8.13.6) with ESMTP id p3M9fqJQ030408 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=FAIL) for ; Fri, 22 Apr 2011 11:41:53 +0200 Received: from relay1.suse.de (charybdis-ext.suse.de [195.135.221.2]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.suse.de (Postfix) with ESMTP id 830AE94430; Fri, 22 Apr 2011 11:41:52 +0200 (CEST) Received: by ds.suse.cz (Postfix, from userid 10065) id 51C337472F; Fri, 22 Apr 2011 11:41:52 +0200 (CEST) From: David Sterba To: linux-btrfs@vger.kernel.org Cc: David Sterba Subject: [PATCH 05/12] btrfs: remove useless mutex lock/unlock sequences Date: Fri, 22 Apr 2011 11:41:51 +0200 Message-Id: X-Mailer: git-send-email 1.7.5.rc3 In-Reply-To: References: Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter1.kernel.org [140.211.167.41]); Fri, 22 Apr 2011 11:29:26 +0000 (UTC) Signed-off-by: David Sterba --- fs/btrfs/extent-tree.c | 6 ------ 1 files changed, 0 insertions(+), 6 deletions(-) diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 31f33ba..c97ceab 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -756,8 +756,6 @@ again: btrfs_release_path(root->fs_info->extent_root, path); - mutex_lock(&head->mutex); - mutex_unlock(&head->mutex); btrfs_put_delayed_ref(&head->node); goto again; } @@ -2297,8 +2295,6 @@ again: atomic_inc(&ref->refs); spin_unlock(&delayed_refs->lock); - mutex_lock(&head->mutex); - mutex_unlock(&head->mutex); btrfs_put_delayed_ref(ref); cond_resched(); @@ -2363,8 +2359,6 @@ static noinline int check_delayed_ref(struct btrfs_trans_handle *trans, btrfs_release_path(root->fs_info->extent_root, path); - mutex_lock(&head->mutex); - mutex_unlock(&head->mutex); btrfs_put_delayed_ref(&head->node); return -EAGAIN; }