else
sectors = io->sectors;
- if (!end)
- bdev_start_io_acct(bio->bi_bdev, bio_op(bio), start_time);
- else
- bdev_end_io_acct(bio->bi_bdev, bio_op(bio), sectors,
- start_time);
+ if (dm_io_flagged(io, DM_IO_BLK_STAT)) {
+ if (!end)
+ bdev_start_io_acct(bio->bi_bdev, bio_op(bio),
+ start_time);
+ else
+ bdev_end_io_acct(bio->bi_bdev, bio_op(bio),
+ sectors, start_time);
+ }
if (static_branch_unlikely(&stats_enabled) &&
unlikely(dm_stats_used(&md->stats))) {
spin_lock_init(&io->lock);
io->start_time = jiffies;
io->flags = 0;
+ if (blk_queue_io_stat(md->queue))
+ dm_io_set_flag(io, DM_IO_BLK_STAT);
if (static_branch_unlikely(&stats_enabled))
dm_stats_record_start(&md->stats, &io->stats_aux);
break;
case DM_TYPE_BIO_BASED:
case DM_TYPE_DAX_BIO_BASED:
+ blk_queue_flag_set(QUEUE_FLAG_IO_STAT, md->queue);
break;
case DM_TYPE_NONE:
WARN_ON_ONCE(true);