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Commit 0e22be89 authored by Zhaolei's avatar Zhaolei Committed by Chris Mason
Browse files

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: default avatarZhao Lei <zhaolei@cn.fujitsu.com>
Signed-off-by: default avatarChris Mason <clm@fb.com>
parent 868f401a

fs/btrfs/scrub.c

+10 −1
Original line number Original line Diff line number Diff line
@@ -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);

	atomic_inc(&fs_info->scrubs_paused);

	wake_up(&fs_info->scrub_pause_wait);

	wake_up(&fs_info->scrub_pause_wait);

}





static void scrub_pause_off(struct btrfs_fs_info *fs_info)

{

	mutex_lock(&fs_info->scrub_lock);

	mutex_lock(&fs_info->scrub_lock);

	__scrub_blocked_if_needed(fs_info);

	__scrub_blocked_if_needed(fs_info);

	atomic_dec(&fs_info->scrubs_paused);

	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);

	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

 * used for workers that require transaction commits (i.e., for the

 * NOCOW case)

 * NOCOW case)