Btrfs: btrfs_rm_dev_replace_blocked(): Use wait_event()
Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com> Signed-off-by: Miao Xie <miaox@cn.fujitsu.com> Signed-off-by: Chris Mason <clm@fb.com>
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09dd7a01c3
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7653947fe6
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@ -440,18 +440,9 @@ leave:
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*/
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static void btrfs_rm_dev_replace_blocked(struct btrfs_fs_info *fs_info)
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{
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s64 writers;
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DEFINE_WAIT(wait);
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set_bit(BTRFS_FS_STATE_DEV_REPLACING, &fs_info->fs_state);
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do {
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prepare_to_wait(&fs_info->replace_wait, &wait,
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TASK_UNINTERRUPTIBLE);
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writers = percpu_counter_sum(&fs_info->bio_counter);
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if (writers)
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schedule();
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finish_wait(&fs_info->replace_wait, &wait);
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} while (writers);
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wait_event(fs_info->replace_wait, !percpu_counter_sum(
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&fs_info->bio_counter));
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}
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/*
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