Similar to what submit_bio_wait does, we should account for IO while waiting for a bio completion. This has marginal visible effects, flush bio is short-lived.
Signed-off-by: David Sterba <dste...@suse.com> --- fs/btrfs/disk-io.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 27d44d6ab775..05ff81ecb887 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -3519,7 +3519,7 @@ static int wait_dev_flush(struct btrfs_device *device) if (!test_bit(QUEUE_FLAG_WC, &q->queue_flags)) return 0; - wait_for_completion(&device->flush_wait); + wait_for_completion_io(&device->flush_wait); if (bio->bi_error) { ret = bio->bi_error; -- 2.13.0 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html