diff options
Diffstat (limited to 'drivers/md/dm-table.c')
| -rw-r--r-- | drivers/md/dm-table.c | 21 |
1 files changed, 8 insertions, 13 deletions
diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c index 5ac239d0f787..0a427de23ed2 100644 --- a/drivers/md/dm-table.c +++ b/drivers/md/dm-table.c @@ -871,7 +871,7 @@ static int dm_table_determine_type(struct dm_table *t) { unsigned i; unsigned bio_based = 0, request_based = 0, hybrid = 0; - bool verify_blk_mq = false; + unsigned sq_count = 0, mq_count = 0; struct dm_target *tgt; struct dm_dev_internal *dd; struct list_head *devices = dm_table_get_devices(t); @@ -966,20 +966,15 @@ verify_rq_based: } if (q->mq_ops) - verify_blk_mq = true; + mq_count++; + else + sq_count++; } - - if (verify_blk_mq) { - /* verify _all_ devices in the table are blk-mq devices */ - list_for_each_entry(dd, devices, list) - if (!bdev_get_queue(dd->dm_dev->bdev)->mq_ops) { - DMERR("table load rejected: not all devices" - " are blk-mq request-stackable"); - return -EINVAL; - } - - t->all_blk_mq = true; + if (sq_count && mq_count) { + DMERR("table load rejected: not all devices are blk-mq request-stackable"); + return -EINVAL; } + t->all_blk_mq = mq_count > 0; if (t->type == DM_TYPE_MQ_REQUEST_BASED && !t->all_blk_mq) { DMERR("table load rejected: all devices are not blk-mq request-stackable"); |