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| author | Zhaolei <zhaolei@cn.fujitsu.com> | 2015-08-05 10:43:28 +0200 |
|---|---|---|
| committer | Chris Mason <clm@fb.com> | 2015-08-09 16:07:12 +0200 |
| commit | 0e22be890ef385de6816ec87a8a41c0b0f4a7a23 (patch) | |
| tree | 30c5404f084d90260271db43a1e484e479d25e8c /fs/btrfs/scrub.c | |
| parent | btrfs: Use ref_cnt for set_block_group_ro() (diff) | |
| download | linux-0e22be890ef385de6816ec87a8a41c0b0f4a7a23.tar.xz linux-0e22be890ef385de6816ec87a8a41c0b0f4a7a23.zip | |
btrfs: Separate scrub_blocked_if_needed() to scrub_pause_on/off()
It can reduce current duplicated code which is similar to
scrub_blocked_if_needed() but can not call it because little
different.
It also used by my next patch which is in same case.
Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com>
Signed-off-by: Chris Mason <clm@fb.com>
Diffstat (limited to '')
| -rw-r--r-- | fs/btrfs/scrub.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c index fadf5fcd9306..08872026a254 100644 --- a/fs/btrfs/scrub.c +++ b/fs/btrfs/scrub.c @@ -332,11 +332,14 @@ static void __scrub_blocked_if_needed(struct btrfs_fs_info *fs_info) } } -static void scrub_blocked_if_needed(struct btrfs_fs_info *fs_info) +static void scrub_pause_on(struct btrfs_fs_info *fs_info) { atomic_inc(&fs_info->scrubs_paused); wake_up(&fs_info->scrub_pause_wait); +} +static void scrub_pause_off(struct btrfs_fs_info *fs_info) +{ mutex_lock(&fs_info->scrub_lock); __scrub_blocked_if_needed(fs_info); atomic_dec(&fs_info->scrubs_paused); @@ -345,6 +348,12 @@ static void scrub_blocked_if_needed(struct btrfs_fs_info *fs_info) wake_up(&fs_info->scrub_pause_wait); } +static void scrub_blocked_if_needed(struct btrfs_fs_info *fs_info) +{ + scrub_pause_on(fs_info); + scrub_pause_off(fs_info); +} + /* * used for workers that require transaction commits (i.e., for the * NOCOW case) |