Commit 2980d574 authored Jun 15, 2017 by David Sterba

btrfs: account as waiting for IO, while waiting fot the flush bio completion



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.

Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>

parent e0ae9994

fs/btrfs/disk-io.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -3519,7 +3519,7 @@ static int wait_dev_flush(struct btrfs_device *device)
		return 0;

		device->flush_bio_sent = 0;
		wait_for_completion(&device->flush_wait);
		wait_for_completion_io(&device->flush_wait);

		if (bio->bi_error) {
		ret = bio->bi_error;