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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 <zhaolei@cn.fujitsu.com> Signed-off-by: Chris Mason <clm@fb.com>
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0e22be890e
commit
b708ce969a
1 changed files with 3 additions and 7 deletions
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@ -3503,8 +3503,8 @@ int scrub_enumerate_chunks(struct scrub_ctx *sctx,
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wait_event(sctx->list_wait,
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atomic_read(&sctx->bios_in_flight) == 0);
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atomic_inc(&fs_info->scrubs_paused);
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wake_up(&fs_info->scrub_pause_wait);
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scrub_pause_on(fs_info);
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/*
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* must be called before we decrease @scrub_paused.
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@ -3515,11 +3515,7 @@ int scrub_enumerate_chunks(struct scrub_ctx *sctx,
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atomic_read(&sctx->workers_pending) == 0);
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atomic_set(&sctx->wr_ctx.flush_all_writes, 0);
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mutex_lock(&fs_info->scrub_lock);
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__scrub_blocked_if_needed(fs_info);
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atomic_dec(&fs_info->scrubs_paused);
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mutex_unlock(&fs_info->scrub_lock);
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wake_up(&fs_info->scrub_pause_wait);
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scrub_pause_off(fs_info);
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btrfs_put_block_group(cache);
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if (ret)
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