diff options
Diffstat (limited to 'drivers/md/dm-mpath.c')
| -rw-r--r-- | drivers/md/dm-mpath.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c index 6ed9d2731254..0e325469a252 100644 --- a/drivers/md/dm-mpath.c +++ b/drivers/md/dm-mpath.c @@ -105,6 +105,7 @@ struct multipath { struct dm_mpath_io { struct pgpath *pgpath; size_t nr_bytes; + u64 start_time_ns; }; typedef int (*action_fn) (struct pgpath *pgpath); @@ -295,6 +296,7 @@ static void multipath_init_per_bio_data(struct bio *bio, struct dm_mpath_io **mp mpio->nr_bytes = bio->bi_iter.bi_size; mpio->pgpath = NULL; + mpio->start_time_ns = 0; *mpio_p = mpio; dm_bio_record(bio_details, bio); @@ -647,6 +649,9 @@ static int __multipath_map_bio(struct multipath *m, struct bio *bio, mpio->pgpath = pgpath; + if (dm_ps_use_hr_timer(pgpath->pg->ps.type)) + mpio->start_time_ns = ktime_get_ns(); + bio->bi_status = 0; bio_set_dev(bio, pgpath->path.dev->bdev); bio->bi_opf |= REQ_FAILFAST_TRANSPORT; @@ -1713,7 +1718,8 @@ done: if (ps->type->end_io) ps->type->end_io(ps, &pgpath->path, mpio->nr_bytes, - dm_start_time_ns_from_clone(clone)); + (mpio->start_time_ns ?: + dm_start_time_ns_from_clone(clone))); } return r; |