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authorChristoph Hellwig <hch@lst.de>2017-01-10 10:03:39 +0100
committerJens Axboe <axboe@fb.com>2017-01-27 15:08:35 -0700
commit4bf58435fae39ec2ea01a2ff9934d377add234b1 (patch)
tree672fdd150ac494b4ded8de4de05f70422ad203fe /drivers/md
parent48b77ad6084481ef9330a5d2bee289966da0975b (diff)
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 <hch@lst.de> Reviewed-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers/md')
-rw-r--r--drivers/md/dm-rq.c16
1 files changed, 0 insertions, 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;