From: Zhaolei Date: Wed, 5 Aug 2015 08:43:29 +0000 (+0800) Subject: btrfs: use scrub_pause_on/off() to reduce code in scrub_enumerate_chunks() X-Git-Tag: v4.3-rc1~72^2~27 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=b708ce969af3ceadca18aac5bffe48fe977473b1;p=karo-tx-linux.git btrfs: use scrub_pause_on/off() to reduce code in scrub_enumerate_chunks() Use new intruduced scrub_pause_on/off() can make this code block clean and more readable. Signed-off-by: Zhao Lei Signed-off-by: Chris Mason --- diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c index 08872026a254..281de3f2041d 100644 --- a/fs/btrfs/scrub.c +++ b/fs/btrfs/scrub.c @@ -3503,8 +3503,8 @@ int scrub_enumerate_chunks(struct scrub_ctx *sctx, wait_event(sctx->list_wait, atomic_read(&sctx->bios_in_flight) == 0); - atomic_inc(&fs_info->scrubs_paused); - wake_up(&fs_info->scrub_pause_wait); + + scrub_pause_on(fs_info); /* * must be called before we decrease @scrub_paused. @@ -3515,11 +3515,7 @@ int scrub_enumerate_chunks(struct scrub_ctx *sctx, atomic_read(&sctx->workers_pending) == 0); atomic_set(&sctx->wr_ctx.flush_all_writes, 0); - mutex_lock(&fs_info->scrub_lock); - __scrub_blocked_if_needed(fs_info); - atomic_dec(&fs_info->scrubs_paused); - mutex_unlock(&fs_info->scrub_lock); - wake_up(&fs_info->scrub_pause_wait); + scrub_pause_off(fs_info); btrfs_put_block_group(cache); if (ret)