diff options
Diffstat (limited to 'drivers/scsi/scsi_lib.c')
| -rw-r--r-- | drivers/scsi/scsi_lib.c | 31 |
1 files changed, 11 insertions, 20 deletions
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 4cf902efbdbf..f44ab801119b 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -634,7 +634,7 @@ void scsi_run_host_queues(struct Scsi_Host *shost) * of upper level post-processing and scsi_io_completion). * * Arguments: cmd - command that is complete. - * uptodate - 1 if I/O indicates success, <= 0 for I/O error. + * error - 0 if I/O indicates success, < 0 for I/O error. * bytes - number of bytes of completed I/O * requeue - indicates whether we should requeue leftovers. * @@ -649,26 +649,25 @@ void scsi_run_host_queues(struct Scsi_Host *shost) * at some point during this call. * Notes: If cmd was requeued, upon return it will be a stale pointer. */ -static struct scsi_cmnd *scsi_end_request(struct scsi_cmnd *cmd, int uptodate, +static struct scsi_cmnd *scsi_end_request(struct scsi_cmnd *cmd, int error, int bytes, int requeue) { struct request_queue *q = cmd->device->request_queue; struct request *req = cmd->request; - unsigned long flags; /* * If there are blocks left over at the end, set up the command * to queue the remainder of them. */ - if (end_that_request_chunk(req, uptodate, bytes)) { + if (blk_end_request(req, error, bytes)) { int leftover = (req->hard_nr_sectors << 9); if (blk_pc_request(req)) leftover = req->data_len; /* kill remainder if no retrys */ - if (!uptodate && blk_noretry_request(req)) - end_that_request_chunk(req, 0, leftover); + if (error && blk_noretry_request(req)) + blk_end_request(req, error, leftover); else { if (requeue) { /* @@ -683,14 +682,6 @@ static struct scsi_cmnd *scsi_end_request(struct scsi_cmnd *cmd, int uptodate, } } - add_disk_randomness(req->rq_disk); - - spin_lock_irqsave(q->queue_lock, flags); - if (blk_rq_tagged(req)) - blk_queue_end_tag(q, req); - end_that_request_last(req, uptodate); - spin_unlock_irqrestore(q->queue_lock, flags); - /* * This will goose the queue request function at the end, so we don't * need to worry about launching another command. @@ -987,7 +978,7 @@ void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes) * are leftovers and there is some kind of error * (result != 0), retry the rest. */ - if (scsi_end_request(cmd, 1, good_bytes, result == 0) == NULL) + if (scsi_end_request(cmd, 0, good_bytes, result == 0) == NULL) return; /* good_bytes = 0, or (inclusive) there were leftovers and @@ -1001,7 +992,7 @@ void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes) * and quietly refuse further access. */ cmd->device->changed = 1; - scsi_end_request(cmd, 0, this_count, 1); + scsi_end_request(cmd, -EIO, this_count, 1); return; } else { /* Must have been a power glitch, or a @@ -1033,7 +1024,7 @@ void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes) scsi_requeue_command(q, cmd); return; } else { - scsi_end_request(cmd, 0, this_count, 1); + scsi_end_request(cmd, -EIO, this_count, 1); return; } break; @@ -1061,7 +1052,7 @@ void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes) "Device not ready", &sshdr); - scsi_end_request(cmd, 0, this_count, 1); + scsi_end_request(cmd, -EIO, this_count, 1); return; case VOLUME_OVERFLOW: if (!(req->cmd_flags & REQ_QUIET)) { @@ -1071,7 +1062,7 @@ void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes) scsi_print_sense("", cmd); } /* See SSC3rXX or current. */ - scsi_end_request(cmd, 0, this_count, 1); + scsi_end_request(cmd, -EIO, this_count, 1); return; default: break; @@ -1092,7 +1083,7 @@ void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes) scsi_print_sense("", cmd); } } - scsi_end_request(cmd, 0, this_count, !result); + scsi_end_request(cmd, -EIO, this_count, !result); } /* |