From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754447Ab1G0J4h (ORCPT ); Wed, 27 Jul 2011 05:56:37 -0400 Received: from narfation.org ([79.140.41.39]:43149 "EHLO v3-1039.vlinux.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754104Ab1G0Jzu (ORCPT ); Wed, 27 Jul 2011 05:55:50 -0400 X-Greylist: delayed 474 seconds by postgrey-1.27 at vger.kernel.org; Wed, 27 Jul 2011 05:55:50 EDT From: Sven Eckelmann To: linux-arch@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Sven Eckelmann , "Theodore Ts'o" , Andreas Dilger , linux-ext4@vger.kernel.org Subject: [PATCHv4 07/11] ext4: Use *_dec_not_zero instead of *_add_unless Date: Wed, 27 Jul 2011 11:47:46 +0200 Message-Id: <1311760070-21532-7-git-send-email-sven@narfation.org> X-Mailer: git-send-email 1.7.5.4 In-Reply-To: <1311760070-21532-1-git-send-email-sven@narfation.org> References: <1311760070-21532-1-git-send-email-sven@narfation.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org atomic_dec_not_zero is defined for each architecture through to provide the functionality of atomic_add_unless(x, -1, 0). Signed-off-by: Sven Eckelmann Cc: "Theodore Ts'o" Cc: Andreas Dilger Cc: linux-ext4@vger.kernel.org --- fs/ext4/ext4.h | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index fa44df8..29996e8 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -2098,7 +2098,7 @@ static inline void ext4_lock_group(struct super_block *sb, ext4_group_t group) * We're able to grab the lock right away, so drop the * lock contention counter. */ - atomic_add_unless(&EXT4_SB(sb)->s_lock_busy, -1, 0); + atomic_dec_not_zero(&EXT4_SB(sb)->s_lock_busy); else { /* * The lock is busy, so bump the contention counter, -- 1.7.5.4