Don't clear REQ_HIPRI for bio-based drivers. Device mapper will need to see this flag in order to support polling.
Signed-off-by: Mikulas Patocka <[email protected]> --- block/blk-core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) Index: linux-2.6/block/blk-core.c =================================================================== --- linux-2.6.orig/block/blk-core.c 2021-03-02 10:43:28.000000000 +0100 +++ linux-2.6/block/blk-core.c 2021-03-02 10:53:50.000000000 +0100 @@ -836,7 +836,7 @@ static noinline_for_stack bool submit_bi } } - if (!test_bit(QUEUE_FLAG_POLL, &q->queue_flags)) + if (!test_bit(QUEUE_FLAG_POLL, &q->queue_flags) && !bdev->bd_disk->fops->submit_bio) bio->bi_opf &= ~REQ_HIPRI; switch (bio_op(bio)) { -- dm-devel mailing list [email protected] https://listman.redhat.com/mailman/listinfo/dm-devel
