From patchwork Thu Jan 27 08:43:17 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Li Zefan X-Patchwork-Id: 510711 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 p0R8gBri016965 for ; Thu, 27 Jan 2011 08:42:11 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753431Ab1A0ImI (ORCPT ); Thu, 27 Jan 2011 03:42:08 -0500 Received: from cn.fujitsu.com ([222.73.24.84]:55899 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1753184Ab1A0ImI (ORCPT ); Thu, 27 Jan 2011 03:42:08 -0500 Received: from tang.cn.fujitsu.com (tang.cn.fujitsu.com [10.167.250.3]) by song.cn.fujitsu.com (Postfix) with ESMTP id 34FF2170116; Thu, 27 Jan 2011 16:42:06 +0800 (CST) Received: from mailserver.fnst.cn.fujitus.com (tang.cn.fujitsu.com [127.0.0.1]) by tang.cn.fujitsu.com (8.14.3/8.13.1) with ESMTP id p0R8ag6T031937; Thu, 27 Jan 2011 16:36:43 +0800 Received: from [10.167.225.230] ([10.167.225.230]) by mailserver.fnst.cn.fujitus.com (Lotus Domino Release 8.5.1FP4) with ESMTP id 2011012716412503-37269 ; Thu, 27 Jan 2011 16:41:25 +0800 Message-ID: <4D413025.4010404@cn.fujitsu.com> Date: Thu, 27 Jan 2011 16:43:17 +0800 From: Li Zefan User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.2.9) Gecko/20100921 Fedora/3.1.4-1.fc14 Thunderbird/3.1.4 MIME-Version: 1.0 To: Chris Mason CC: "linux-btrfs@vger.kernel.org" , Josef Bacik Subject: [PATCH 03/12] btrfs: Free fully occupied bitmap in cluster References: <4D412FE6.7050101@cn.fujitsu.com> In-Reply-To: <4D412FE6.7050101@cn.fujitsu.com> X-MIMETrack: Itemize by SMTP Server on mailserver/fnst(Release 8.5.1FP4|July 25, 2010) at 2011-01-27 16:41:25, Serialize by Router on mailserver/fnst(Release 8.5.1FP4|July 25, 2010) at 2011-01-27 16:41:29, Serialize complete at 2011-01-27 16:41:29 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]); Thu, 27 Jan 2011 08:42:26 +0000 (UTC) diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c index 850104f..cb0137e 100644 --- a/fs/btrfs/free-space-cache.c +++ b/fs/btrfs/free-space-cache.c @@ -1788,6 +1788,8 @@ static u64 btrfs_alloc_from_bitmap(struct btrfs_block_group_cache *block_group, ret = search_start; bitmap_clear_bits(block_group, entry, ret, bytes); + if (entry->bytes == 0) + free_bitmap(block_group, entry); out: spin_unlock(&cluster->lock); spin_unlock(&block_group->tree_lock);