From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cn.fujitsu.com ([222.73.24.84]:9219 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1751876Ab2KZJ1H (ORCPT ); Mon, 26 Nov 2012 04:27:07 -0500 Received: from fnstmail02.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 qAQ9R6Sl010034 for ; Mon, 26 Nov 2012 17:27:06 +0800 Message-ID: <50B33601.9050908@cn.fujitsu.com> Date: Mon, 26 Nov 2012 17:27:29 +0800 From: Miao Xie Reply-To: miaox@cn.fujitsu.com MIME-Version: 1.0 To: Linux Btrfs Subject: [PATCH 4/5] Btrfs: fix freeze vs auto defrag References: <50B32FE7.5080908@cn.fujitsu.com> In-Reply-To: <50B32FE7.5080908@cn.fujitsu.com> Content-Type: text/plain; charset=UTF-8 Sender: linux-btrfs-owner@vger.kernel.org List-ID: If we freeze the fs, the auto defragment should not run. Fix it. Signed-off-by: Miao Xie --- fs/btrfs/file.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index 6ca2b46..40b17d0 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -318,8 +318,11 @@ static int __btrfs_run_defrag_inode(struct btrfs_fs_info *fs_info, memset(&range, 0, sizeof(range)); range.len = (u64)-1; range.start = defrag->last_offset; + + sb_start_write(fs_info->sb); num_defrag = btrfs_defrag_file(inode, NULL, &range, defrag->transid, BTRFS_DEFRAG_BATCH); + sb_end_write(fs_info->sb); /* * if we filled the whole defrag batch, there * must be more work to do. Queue this defrag -- 1.7.11.7