diff options
| -rw-r--r-- | block/blk-merge.c | 6 | ||||
| -rw-r--r-- | block/elevator.c | 13 | ||||
| -rw-r--r-- | drivers/scsi/scsi_lib.c | 6 |
3 files changed, 4 insertions, 21 deletions
diff --git a/block/blk-merge.c b/block/blk-merge.c index 7c9ca01baa45..b0de8574fdc8 100644 --- a/block/blk-merge.c +++ b/block/blk-merge.c @@ -380,12 +380,6 @@ static int attempt_merge(struct request_queue *q, struct request *req, if (blk_integrity_rq(req) != blk_integrity_rq(next)) return 0; - /* don't merge requests of different failfast settings */ - if (blk_failfast_dev(req) != blk_failfast_dev(next) || - blk_failfast_transport(req) != blk_failfast_transport(next) || - blk_failfast_driver(req) != blk_failfast_driver(next)) - return 0; - /* * If we are allowed to merge, then append bio list * from next to rq and release next. merge_requests_fn diff --git a/block/elevator.c b/block/elevator.c index 2d511f9105e1..ca861927ba41 100644 --- a/block/elevator.c +++ b/block/elevator.c @@ -100,19 +100,6 @@ int elv_rq_merge_ok(struct request *rq, struct bio *bio) if (bio_integrity(bio) != blk_integrity_rq(rq)) return 0; - /* - * Don't merge if failfast settings don't match. - * - * FIXME: The negation in front of each condition is necessary - * because bio and request flags use different bit positions - * and the accessors return those bits directly. This - * ugliness will soon go away. - */ - if (!bio_failfast_dev(bio) != !blk_failfast_dev(rq) || - !bio_failfast_transport(bio) != !blk_failfast_transport(rq) || - !bio_failfast_driver(bio) != !blk_failfast_driver(rq)) - return 0; - if (!elv_iosched_allow_merge(rq, bio)) return 0; diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index f3c40898fc7d..90c94da8baa4 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -897,8 +897,10 @@ void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes) if (driver_byte(result) & DRIVER_SENSE) scsi_print_sense("", cmd); } - blk_end_request_all(req, -EIO); - scsi_next_command(cmd); + if (blk_end_request_err(req, -EIO)) + scsi_requeue_command(q, cmd); + else + scsi_next_command(cmd); break; case ACTION_REPREP: /* Unprep the request and put it back at the head of the queue. |