From patchwork Mon Aug 23 01:23:16 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Li Zefan X-Patchwork-Id: 123151 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter.kernel.org (8.14.4/8.14.3) with ESMTP id o7N1IgZW017231 for ; Mon, 23 Aug 2010 01:18:42 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752080Ab0HWBSX (ORCPT ); Sun, 22 Aug 2010 21:18:23 -0400 Received: from cn.fujitsu.com ([222.73.24.84]:49176 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1751793Ab0HWBSV (ORCPT ); Sun, 22 Aug 2010 21:18:21 -0400 Received: from tang.cn.fujitsu.com (tang.cn.fujitsu.com [10.167.250.3]) by song.cn.fujitsu.com (Postfix) with ESMTP id 401C5170123; Mon, 23 Aug 2010 09:18:20 +0800 (CST) Received: from fnst.cn.fujitsu.com (tang.cn.fujitsu.com [127.0.0.1]) by tang.cn.fujitsu.com (8.14.3/8.13.1) with ESMTP id o7N1F36Z009299; Mon, 23 Aug 2010 09:15:03 +0800 Received: from lizf.localdomain (unknown [10.167.141.140]) by fnst.cn.fujitsu.com (Postfix) with ESMTPA id D396710C207; Mon, 23 Aug 2010 09:19:27 +0800 (CST) Message-ID: <4C71CD84.1000809@cn.fujitsu.com> Date: Mon, 23 Aug 2010 09:23:16 +0800 From: Li Zefan User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1b3pre) Gecko/20090513 Fedora/3.0-2.3.beta2.fc11 Thunderbird/3.0b2 MIME-Version: 1.0 To: Chris Mason CC: Josef Bacik , linux-btrfs@vger.kernel.org, LKML Subject: [PATCH 3/6] btrfs: free fully occupied bitmap in cluster References: <4C71CD4B.10606@cn.fujitsu.com> In-Reply-To: <4C71CD4B.10606@cn.fujitsu.com> 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-4.2.3 (demeter.kernel.org [140.211.167.41]); Mon, 23 Aug 2010 01:18:42 +0000 (UTC) diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c index 017fd55..631e14f 100644 --- a/fs/btrfs/free-space-cache.c +++ b/fs/btrfs/free-space-cache.c @@ -1035,6 +1035,8 @@ 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);