diff options
Diffstat (limited to 'block/blk-core.c')
| -rw-r--r-- | block/blk-core.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/block/blk-core.c b/block/blk-core.c index 666efe8fa202..32fb28a6372c 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -629,8 +629,14 @@ static void __submit_bio(struct bio *bio) blk_mq_submit_bio(bio); } else if (likely(bio_queue_enter(bio) == 0)) { struct gendisk *disk = bio->bi_bdev->bd_disk; - - disk->fops->submit_bio(bio); + + if ((bio->bi_opf & REQ_POLLED) && + !(disk->queue->limits.features & BLK_FEAT_POLL)) { + bio->bi_status = BLK_STS_NOTSUPP; + bio_endio(bio); + } else { + disk->fops->submit_bio(bio); + } blk_queue_exit(disk->queue); } @@ -805,12 +811,6 @@ void submit_bio_noacct(struct bio *bio) } } - if (!(q->limits.features & BLK_FEAT_POLL) && - (bio->bi_opf & REQ_POLLED)) { - bio_clear_polled(bio); - goto not_supported; - } - switch (bio_op(bio)) { case REQ_OP_READ: break; @@ -935,7 +935,7 @@ int bio_poll(struct bio *bio, struct io_comp_batch *iob, unsigned int flags) return 0; q = bdev_get_queue(bdev); - if (cookie == BLK_QC_T_NONE || !(q->limits.features & BLK_FEAT_POLL)) + if (cookie == BLK_QC_T_NONE) return 0; blk_flush_plug(current->plug, false); @@ -956,7 +956,8 @@ int bio_poll(struct bio *bio, struct io_comp_batch *iob, unsigned int flags) } else { struct gendisk *disk = q->disk; - if (disk && disk->fops->poll_bio) + if ((q->limits.features & BLK_FEAT_POLL) && disk && + disk->fops->poll_bio) ret = disk->fops->poll_bio(bio, iob, flags); } blk_queue_exit(q); |