If we freeze the fs, the auto defragment should not run. Fix it.
Signed-off-by: Miao Xie <[email protected]>
---
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
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