On Sun, Feb 21, 2016 at 05:40:59PM +0800, Ming Lei wrote: > On Sun, Feb 21, 2016 at 2:43 PM, Ming Lin-SSI <ming.l@xxxxxxxxxxxxxxx> wrote: > >>-----Original Message----- > > > > So it's almost already "per request_queue" > > Yes, that is because of the following line: > > q->bio_split = bioset_create(BIO_POOL_SIZE, 0); > > in blk_alloc_queue_node(). > > Looks like this bio_set doesn't need to be per-request_queue, and > now it is only used for fast-cloning bio for splitting, and one global > split bio_set should be enough. It does have to be per request queue for stacking block devices (which includes loopback). -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
