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 <dsterba@xxxxxxxx>
---
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
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