diff options
Diffstat (limited to 'drivers/block')
| -rw-r--r-- | drivers/block/cciss.c | 43 |
1 files changed, 22 insertions, 21 deletions
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c index efcc908490d..4ec3e75ba47 100644 --- a/drivers/block/cciss.c +++ b/drivers/block/cciss.c @@ -1261,7 +1261,7 @@ static void cciss_softirq_done(struct request *rq) pci_unmap_page(h->pdev, temp64.val, cmd->SG[i].Len, ddir); } - complete_buffers(rq->bio, rq->errors); + complete_buffers(rq->bio, (rq->errors == 0)); if (blk_fs_request(rq)) { const int rw = rq_data_dir(rq); @@ -1275,7 +1275,7 @@ static void cciss_softirq_done(struct request *rq) add_disk_randomness(rq->rq_disk); spin_lock_irqsave(&h->lock, flags); - end_that_request_last(rq, rq->errors); + end_that_request_last(rq, (rq->errors == 0)); cmd_free(h, cmd, 1); cciss_check_queues(h); spin_unlock_irqrestore(&h->lock, flags); @@ -2366,27 +2366,27 @@ static inline void resend_cciss_cmd(ctlr_info_t *h, CommandList_struct *c) static inline int evaluate_target_status(CommandList_struct *cmd) { unsigned char sense_key; - int status = 0; /* 0 means bad, 1 means good. */ + int error_count = 1; if (cmd->err_info->ScsiStatus != 0x02) { /* not check condition? */ if (!blk_pc_request(cmd->rq)) printk(KERN_WARNING "cciss: cmd %p " "has SCSI Status 0x%x\n", cmd, cmd->err_info->ScsiStatus); - return status; + return error_count; } /* check the sense key */ sense_key = 0xf & cmd->err_info->SenseInfo[2]; /* no status or recovered error */ if ((sense_key == 0x0) || (sense_key == 0x1)) - status = 1; + error_count = 0; if (!blk_pc_request(cmd->rq)) { /* Not SG_IO or similar? */ - if (status == 0) + if (error_count != 0) printk(KERN_WARNING "cciss: cmd %p has CHECK CONDITION" " sense key = 0x%x\n", cmd, sense_key); - return status; + return error_count; } /* SG_IO or similar, copy sense data back */ @@ -2398,7 +2398,7 @@ static inline int evaluate_target_status(CommandList_struct *cmd) } else cmd->rq->sense_len = 0; - return status; + return error_count; } /* checks the status of the job and calls complete buffers to mark all @@ -2408,18 +2408,20 @@ static inline int evaluate_target_status(CommandList_struct *cmd) static inline void complete_command(ctlr_info_t *h, CommandList_struct *cmd, int timeout) { - int status = 1; int retry_cmd = 0; + struct request *rq = cmd->rq; + + rq->errors = 0; if (timeout) - status = 0; + rq->errors = 1; if (cmd->err_info->CommandStatus == 0) /* no error has occurred */ goto after_error_processing; switch (cmd->err_info->CommandStatus) { case CMD_TARGET_STATUS: - status = evaluate_target_status(cmd); + rq->errors = evaluate_target_status(cmd); break; case CMD_DATA_UNDERRUN: if (blk_fs_request(cmd->rq)) { @@ -2438,32 +2440,32 @@ static inline void complete_command(ctlr_info_t *h, CommandList_struct *cmd, case CMD_INVALID: printk(KERN_WARNING "cciss: cmd %p is " "reported invalid\n", cmd); - status = 0; + rq->errors = 1; break; case CMD_PROTOCOL_ERR: printk(KERN_WARNING "cciss: cmd %p has " "protocol error \n", cmd); - status = 0; + rq->errors = 1; break; case CMD_HARDWARE_ERR: printk(KERN_WARNING "cciss: cmd %p had " " hardware error\n", cmd); - status = 0; + rq->errors = 1; break; case CMD_CONNECTION_LOST: printk(KERN_WARNING "cciss: cmd %p had " "connection lost\n", cmd); - status = 0; + rq->errors = 1; break; case CMD_ABORTED: printk(KERN_WARNING "cciss: cmd %p was " "aborted\n", cmd); - status = 0; + rq->errors = 1; break; case CMD_ABORT_FAILED: printk(KERN_WARNING "cciss: cmd %p reports " "abort failed\n", cmd); - status = 0; + rq->errors = 1; break; case CMD_UNSOLICITED_ABORT: printk(KERN_WARNING "cciss%d: unsolicited " @@ -2477,17 +2479,17 @@ static inline void complete_command(ctlr_info_t *h, CommandList_struct *cmd, printk(KERN_WARNING "cciss%d: %p retried too " "many times\n", h->ctlr, cmd); - status = 0; + rq->errors = 1; break; case CMD_TIMEOUT: printk(KERN_WARNING "cciss: cmd %p timedout\n", cmd); - status = 0; + rq->errors = 1; break; default: printk(KERN_WARNING "cciss: cmd %p returned " "unknown status %x\n", cmd, cmd->err_info->CommandStatus); - status = 0; + rq->errors = 1; } after_error_processing: @@ -2498,7 +2500,6 @@ after_error_processing: return; } cmd->rq->data_len = 0; - cmd->rq->errors = status; cmd->rq->completion_data = cmd; blk_add_trace_rq(cmd->rq->q, cmd->rq, BLK_TA_COMPLETE); blk_complete_request(cmd->rq); |