From 4bf58435fae39ec2ea01a2ff9934d377add234b1 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Tue, 10 Jan 2017 10:03:39 +0100 Subject: [PATCH] dm: remove incomplete BLOCK_PC support DM tries to copy a few fields around for BLOCK_PC requests, but given that no dm-target ever wires up scsi_cmd_ioctl BLOCK_PC can't actually be sent to dm. Signed-off-by: Christoph Hellwig Reviewed-by: Hannes Reinecke Signed-off-by: Jens Axboe --- drivers/md/dm-rq.c | 16 ---------------- 1 file changed, 16 deletions(-) diff --git a/drivers/md/dm-rq.c b/drivers/md/dm-rq.c index 93f6e9f1ebe2..3f12916f2424 100644 --- a/drivers/md/dm-rq.c +++ b/drivers/md/dm-rq.c @@ -270,19 +270,6 @@ static void dm_end_request(struct request *clone, int error) struct mapped_device *md = tio->md; struct request *rq = tio->orig; - if (rq->cmd_type == REQ_TYPE_BLOCK_PC) { - rq->errors = clone->errors; - rq->resid_len = clone->resid_len; - - if (rq->sense) - /* - * We are using the sense buffer of the original - * request. - * So setting the length of the sense data is enough. - */ - rq->sense_len = clone->sense_len; - } - free_rq_clone(clone); rq_end_stats(md, rq); if (!rq->q->mq_ops) @@ -511,9 +498,6 @@ static int setup_clone(struct request *clone, struct request *rq, if (r) return r; - clone->cmd = rq->cmd; - clone->cmd_len = rq->cmd_len; - clone->sense = rq->sense; clone->end_io = end_clone_request; clone->end_io_data = tio; -- 2.20.1