diff options
Diffstat (limited to 'drivers/md/dm.c')
| -rw-r--r-- | drivers/md/dm.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 44904c374b38..13945aee9e01 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -2202,7 +2202,7 @@ static void dm_request_fn(struct request_queue *q) goto out; delay_and_out: - blk_delay_queue(q, HZ / 100); + blk_delay_queue(q, 10); out: dm_put_live_table(md, srcu_idx); } @@ -2303,7 +2303,6 @@ static void dm_init_md_queue(struct mapped_device *md) * - must do so here (in alloc_dev callchain) before queue is used */ md->queue->queuedata = md; - md->queue->backing_dev_info->congested_data = md; } static void dm_init_old_md_queue(struct mapped_device *md) @@ -2314,6 +2313,7 @@ static void dm_init_old_md_queue(struct mapped_device *md) /* * Initialize aspects of queue that aren't relevant for blk-mq */ + md->queue->backing_dev_info->congested_data = md; md->queue->backing_dev_info->congested_fn = dm_any_congested; blk_queue_bounce_limit(md->queue, BLK_BOUNCE_ANY); } @@ -2396,6 +2396,12 @@ static struct mapped_device *alloc_dev(int minor) goto bad; dm_init_md_queue(md); + /* + * default to bio-based required ->make_request_fn until DM + * table is loaded and md->type established. If request-based + * table is loaded: blk-mq will override accordingly. + */ + blk_queue_make_request(md->queue, dm_make_request); md->disk = alloc_disk(1); if (!md->disk) @@ -2859,7 +2865,6 @@ int dm_setup_md_queue(struct mapped_device *md) break; case DM_TYPE_BIO_BASED: dm_init_old_md_queue(md); - blk_queue_make_request(md->queue, dm_make_request); /* * DM handles splitting bios as needed. Free the bio_split bioset * since it won't be used (saves 1 process per bio-based DM device). |