diff options
| -rw-r--r-- | drivers/scsi/hpsa.c | 78 |
1 files changed, 31 insertions, 47 deletions
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index b92f3bc21bf4..4b56525a803a 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -1973,6 +1973,19 @@ static int handle_ioaccel_mode2_error(struct ctlr_info *h, return retry; /* retry on raid path? */ } +static void hpsa_cmd_free_and_done(struct ctlr_info *h, + struct CommandList *c, struct scsi_cmnd *cmd) +{ + cmd_free(h, c); + cmd->scsi_done(cmd); +} + +static void hpsa_retry_cmd(struct ctlr_info *h, struct CommandList *c) +{ + INIT_WORK(&c->work, hpsa_command_resubmit_worker); + queue_work_on(raw_smp_processor_id(), h->resubmit_wq, &c->work); +} + static void process_ioaccel2_completion(struct ctlr_info *h, struct CommandList *c, struct scsi_cmnd *cmd, struct hpsa_scsi_dev_t *dev) @@ -1981,13 +1994,11 @@ static void process_ioaccel2_completion(struct ctlr_info *h, /* check for good status */ if (likely(c2->error_data.serv_response == 0 && - c2->error_data.status == 0)) { - cmd_free(h, c); - cmd->scsi_done(cmd); - return; - } + c2->error_data.status == 0)) + return hpsa_cmd_free_and_done(h, c, cmd); - /* Any RAID offload error results in retry which will use + /* + * Any RAID offload error results in retry which will use * the normal I/O path so the controller can handle whatever's * wrong. */ @@ -1997,19 +2008,14 @@ static void process_ioaccel2_completion(struct ctlr_info *h, if (c2->error_data.status == IOACCEL2_STATUS_SR_IOACCEL_DISABLED) dev->offload_enabled = 0; - goto retry_cmd; + + return hpsa_retry_cmd(h, c); } if (handle_ioaccel_mode2_error(h, c, cmd, c2)) - goto retry_cmd; - - cmd_free(h, c); - cmd->scsi_done(cmd); - return; + return hpsa_retry_cmd(h, c); -retry_cmd: - INIT_WORK(&c->work, hpsa_command_resubmit_worker); - queue_work_on(raw_smp_processor_id(), h->resubmit_wq, &c->work); + return hpsa_cmd_free_and_done(h, c, cmd); } /* Returns 0 on success, < 0 otherwise. */ @@ -2082,22 +2088,15 @@ static void complete_scsi_command(struct CommandList *cp) if (unlikely(ei->CommandStatus == CMD_CTLR_LOCKUP)) { /* DID_NO_CONNECT will prevent a retry */ cmd->result = DID_NO_CONNECT << 16; - cmd_free(h, cp); - cmd->scsi_done(cmd); - return; + return hpsa_cmd_free_and_done(h, cp, cmd); } if (cp->cmd_type == CMD_IOACCEL2) return process_ioaccel2_completion(h, cp, cmd, dev); scsi_set_resid(cmd, ei->ResidualCnt); - if (ei->CommandStatus == 0) { - if (cp->cmd_type == CMD_IOACCEL1) - atomic_dec(&cp->phys_disk->ioaccel_cmds_out); - cmd_free(h, cp); - cmd->scsi_done(cmd); - return; - } + if (ei->CommandStatus == 0) + return hpsa_cmd_free_and_done(h, cp, cmd); /* For I/O accelerator commands, copy over some fields to the normal * CISS header used below for error handling. @@ -2119,10 +2118,7 @@ static void complete_scsi_command(struct CommandList *cp) if (is_logical_dev_addr_mode(dev->scsi3addr)) { if (ei->CommandStatus == CMD_IOACCEL_DISABLED) dev->offload_enabled = 0; - INIT_WORK(&cp->work, hpsa_command_resubmit_worker); - queue_work_on(raw_smp_processor_id(), - h->resubmit_wq, &cp->work); - return; + return hpsa_retry_cmd(h, cp); } } @@ -2253,8 +2249,8 @@ static void complete_scsi_command(struct CommandList *cp) dev_warn(&h->pdev->dev, "cp %p returned unknown status %x\n", cp, ei->CommandStatus); } - cmd_free(h, cp); - cmd->scsi_done(cmd); + + return hpsa_cmd_free_and_done(h, cp, cmd); } static void hpsa_pci_unmap(struct pci_dev *pdev, @@ -4509,16 +4505,13 @@ static void hpsa_command_resubmit_worker(struct work_struct *work) { struct scsi_cmnd *cmd; struct hpsa_scsi_dev_t *dev; - struct CommandList *c = - container_of(work, struct CommandList, work); + struct CommandList *c = container_of(work, struct CommandList, work); cmd = c->scsi_cmd; dev = cmd->device->hostdata; if (!dev) { cmd->result = DID_NO_CONNECT << 16; - cmd_free(c->h, c); - cmd->scsi_done(cmd); - return; + return hpsa_cmd_free_and_done(c->h, c, cmd); } if (c->cmd_type == CMD_IOACCEL2) { struct ctlr_info *h = c->h; @@ -4537,12 +4530,7 @@ static void hpsa_command_resubmit_worker(struct work_struct *work) * then get SCSI_MLQUEUE_HOST_BUSY. */ cmd->result = DID_IMM_RETRY << 16; - cmd->scsi_done(cmd); - cmd_free(h, c); /* FIX-ME: on merge, change - * to cmd_tagged_free() and - * ultimately to - * hpsa_cmd_free_and_done(). */ - return; + return hpsa_cmd_free_and_done(h, c, cmd); } /* else, fall thru and resubmit down CISS path */ } @@ -4606,9 +4594,7 @@ static int hpsa_scsi_queue_command(struct Scsi_Host *sh, struct scsi_cmnd *cmd) if (rc == 0) return 0; if (rc == SCSI_MLQUEUE_HOST_BUSY) { - cmd_free(h, c); /* FIX-ME: on merge, change to - * cmd_tagged_free(), and ultimately - * to hpsa_cmd_resolve_and_free(). */ + cmd_free(h, c); return SCSI_MLQUEUE_HOST_BUSY; } } @@ -7721,8 +7707,6 @@ static void hpsa_flush_cache(struct ctlr_info *h) struct CommandList *c; int rc; - /* Don't bother trying to flush the cache if locked up */ - /* FIXME not necessary if do_simple_cmd does the check */ if (unlikely(lockup_detected(h))) return; flush_buf = kzalloc(4, GFP_KERNEL); |