From: Miao Xie <miaox@cn.fujitsu.com>
To: Linux Btrfs <linux-btrfs@vger.kernel.org>
Subject: [PATCH 4/5] Btrfs: fix freeze vs auto defrag
Date: Mon, 26 Nov 2012 17:27:29 +0800 [thread overview]
Message-ID: <50B33601.9050908@cn.fujitsu.com> (raw)
In-Reply-To: <50B32FE7.5080908@cn.fujitsu.com>
If we freeze the fs, the auto defragment should not run. Fix it.
Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
---
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
next prev parent reply other threads:[~2012-11-26 9:27 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-26 9:01 [PATCH 0/5] random fix for autodefrag Miao Xie
2012-11-26 9:24 ` [PATCH 1/5] Btrfs: use slabs for auto defrag allocation Miao Xie
2012-11-26 9:25 ` [PATCH 2/5] Btrfs: fix unprotected defragable inode insertion Miao Xie
2012-11-26 9:26 ` [PATCH 3/5] Btrfs: restructure btrfs_run_defrag_inodes() Miao Xie
2012-11-26 9:27 ` Miao Xie [this message]
2012-11-26 9:28 ` [PATCH 5/5] Btrfs: fix remount vs autodefrag Miao Xie
2012-12-14 17:51 ` Josef Bacik
2012-12-17 7:24 ` Miao Xie
2012-12-18 13:38 ` Josef Bacik
2013-02-21 6:32 ` [PATCH V2] " Miao Xie
2013-01-31 5:54 ` [PATCH 5/5] " Miao Xie
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