On Tue, Dec 23, 2014 at 12:41:40PM +0100, Dongsu Park wrote: > You mean, checking rq->cmd_type == REQ_TYPE_BLOCK_PC, right? > > I'm wondering about how to check that in blk_queue_split(). > At the moment when blk_queue_split() is called, it's even before a request > is mapped e.g. in blk_sq_make_request(). > Unlike scsi drivers where it's easy to get cmd->rq, blk_queue_split() > doesn't seem to be able to get a request by blk_get_request(). > > Or am I missing something? You're probably missing what I didn't notice either: BLOCK_PC requests are never sent through ->make_request. Consider my comment withdrawn and sorry for the confusion. -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
