diff options
| -rw-r--r-- | drivers/scsi/BusLogic.c | 7 | ||||
| -rw-r--r-- | drivers/scsi/advansys.c | 5 | ||||
| -rw-r--r-- | drivers/scsi/ips.c | 7 | ||||
| -rw-r--r-- | drivers/scsi/ncr53c8xx.c | 14 | ||||
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_dbg.c | 6 | ||||
| -rw-r--r-- | drivers/scsi/scsi.c | 2 | ||||
| -rw-r--r-- | drivers/scsi/scsi_error.c | 7 | ||||
| -rw-r--r-- | drivers/scsi/scsi_lib.c | 1 | ||||
| -rw-r--r-- | drivers/scsi/sym53c8xx_2/sym_glue.c | 6 | ||||
| -rw-r--r-- | include/scsi/scsi_cmnd.h | 22 |
10 files changed, 15 insertions, 62 deletions
diff --git a/drivers/scsi/BusLogic.c b/drivers/scsi/BusLogic.c index 41b5197ce4e6..15e4b122d56e 100644 --- a/drivers/scsi/BusLogic.c +++ b/drivers/scsi/BusLogic.c @@ -2958,13 +2958,6 @@ static int BusLogic_AbortCommand(struct scsi_cmnd *Command) struct BusLogic_CCB *CCB; BusLogic_IncrementErrorCounter(&HostAdapter->TargetStatistics[TargetID].CommandAbortsRequested); /* - If this Command has already completed, then no Abort is necessary. - */ - if (Command->serial_number != Command->serial_number_at_timeout) { - BusLogic_Warning("Unable to Abort Command to Target %d - " "Already Completed\n", HostAdapter, TargetID); - return SUCCESS; - } - /* Attempt to find an Active CCB for this Command. If no Active CCB for this Command is found, then no Abort is necessary. */ diff --git a/drivers/scsi/advansys.c b/drivers/scsi/advansys.c index edeb333d8161..04cb5c405a2d 100644 --- a/drivers/scsi/advansys.c +++ b/drivers/scsi/advansys.c @@ -9198,9 +9198,8 @@ asc_prt_scsi_cmnd(struct scsi_cmnd *s) s->use_sg, s->sglist_len, s->abort_reason); printk( -" serial_number 0x%x, serial_number_at_timeout 0x%x, retries %d, allowed %d\n", - (unsigned) s->serial_number, (unsigned) s->serial_number_at_timeout, - s->retries, s->allowed); +" serial_number 0x%x, retries %d, allowed %d\n", + (unsigned) s->serial_number, s->retries, s->allowed); printk( " timeout_per_command %d, timeout_total %d, timeout %d\n", diff --git a/drivers/scsi/ips.c b/drivers/scsi/ips.c index e46096da8db2..47c263e5cd39 100644 --- a/drivers/scsi/ips.c +++ b/drivers/scsi/ips.c @@ -833,13 +833,6 @@ ips_eh_abort(Scsi_Cmnd * SC) if (!ha->active) return (FAILED); - if (SC->serial_number != SC->serial_number_at_timeout) { - /* HMM, looks like a bogus command */ - DEBUG(1, "Abort called with bogus scsi command"); - - return (FAILED); - } - /* See if the command is on the copp queue */ item = ha->copp_waitlist.head; while ((item) && (item->scsi_cmd != SC)) diff --git a/drivers/scsi/ncr53c8xx.c b/drivers/scsi/ncr53c8xx.c index 7ae13236788e..2a0e42ec27d3 100644 --- a/drivers/scsi/ncr53c8xx.c +++ b/drivers/scsi/ncr53c8xx.c @@ -7486,24 +7486,14 @@ static int ncr53c8xx_abort(struct scsi_cmnd *cmd) struct scsi_cmnd *done_list; #if defined SCSI_RESET_SYNCHRONOUS && defined SCSI_RESET_ASYNCHRONOUS - printk("ncr53c8xx_abort: pid=%lu serial_number=%ld serial_number_at_timeout=%ld\n", - cmd->pid, cmd->serial_number, cmd->serial_number_at_timeout); + printk("ncr53c8xx_abort: pid=%lu serial_number=%ld\n", + cmd->pid, cmd->serial_number); #else printk("ncr53c8xx_abort: command pid %lu\n", cmd->pid); #endif NCR_LOCK_NCB(np, flags); -#if defined SCSI_RESET_SYNCHRONOUS && defined SCSI_RESET_ASYNCHRONOUS - /* - * We have to just ignore abort requests in some situations. - */ - if (cmd->serial_number != cmd->serial_number_at_timeout) { - sts = SCSI_ABORT_NOT_RUNNING; - goto out; - } -#endif - sts = ncr_abort_command(np, cmd); out: done_list = np->done_list; diff --git a/drivers/scsi/qla2xxx/qla_dbg.c b/drivers/scsi/qla2xxx/qla_dbg.c index dcc33daa5913..0e8ebbc56e81 100644 --- a/drivers/scsi/qla2xxx/qla_dbg.c +++ b/drivers/scsi/qla2xxx/qla_dbg.c @@ -1050,10 +1050,8 @@ qla2x00_print_scsi_cmd(struct scsi_cmnd * cmd) for (i = 0; i < cmd->cmd_len; i++) { printk("0x%02x ", cmd->cmnd[i]); } - printk("\n seg_cnt=%d, allowed=%d, retries=%d, " - "serial_number_at_timeout=0x%lx\n", - cmd->use_sg, cmd->allowed, cmd->retries, - cmd->serial_number_at_timeout); + printk("\n seg_cnt=%d, allowed=%d, retries=%d\n", + cmd->use_sg, cmd->allowed, cmd->retries); printk(" request buffer=0x%p, request buffer len=0x%x\n", cmd->request_buffer, cmd->request_bufflen); printk(" tag=%d, transfersize=0x%x\n", diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c index 95de4d0f4fd1..05d2bd075fd4 100644 --- a/drivers/scsi/scsi.c +++ b/drivers/scsi/scsi.c @@ -686,7 +686,6 @@ void scsi_init_cmd_from_req(struct scsi_cmnd *cmd, struct scsi_request *sreq) cmd->request = sreq->sr_request; memcpy(cmd->data_cmnd, sreq->sr_cmnd, sizeof(cmd->data_cmnd)); cmd->serial_number = 0; - cmd->serial_number_at_timeout = 0; cmd->bufflen = sreq->sr_bufflen; cmd->buffer = sreq->sr_buffer; cmd->retries = 0; @@ -765,7 +764,6 @@ void __scsi_done(struct scsi_cmnd *cmd) * Set the serial numbers back to zero */ cmd->serial_number = 0; - cmd->serial_number_at_timeout = 0; cmd->state = SCSI_STATE_BHQUEUE; cmd->owner = SCSI_OWNER_BH_HANDLER; diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c index 173abb88e3e8..13bac93fc397 100644 --- a/drivers/scsi/scsi_error.c +++ b/drivers/scsi/scsi_error.c @@ -79,11 +79,6 @@ int scsi_eh_scmd_add(struct scsi_cmnd *scmd, int eh_flag) */ scmd->owner = SCSI_OWNER_ERROR_HANDLER; scmd->state = SCSI_STATE_FAILED; - /* - * Set the serial_number_at_timeout to the current - * serial_number - */ - scmd->serial_number_at_timeout = scmd->serial_number; list_add_tail(&scmd->eh_entry, &shost->eh_cmd_q); set_bit(SHOST_RECOVERY, &shost->shost_state); shost->host_failed++; @@ -1061,7 +1056,6 @@ static int scsi_try_bus_reset(struct scsi_cmnd *scmd) SCSI_LOG_ERROR_RECOVERY(3, printk("%s: Snd Bus RST\n", __FUNCTION__)); scmd->owner = SCSI_OWNER_LOWLEVEL; - scmd->serial_number_at_timeout = scmd->serial_number; if (!scmd->device->host->hostt->eh_bus_reset_handler) return FAILED; @@ -1093,7 +1087,6 @@ static int scsi_try_host_reset(struct scsi_cmnd *scmd) SCSI_LOG_ERROR_RECOVERY(3, printk("%s: Snd Host RST\n", __FUNCTION__)); scmd->owner = SCSI_OWNER_LOWLEVEL; - scmd->serial_number_at_timeout = scmd->serial_number; if (!scmd->device->host->hostt->eh_host_reset_handler) return FAILED; diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 19dd911d9f7a..619d3fb7a2f0 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -298,7 +298,6 @@ static int scsi_init_cmd_errh(struct scsi_cmnd *cmd) { cmd->owner = SCSI_OWNER_MIDLEVEL; cmd->serial_number = 0; - cmd->serial_number_at_timeout = 0; cmd->abort_reason = 0; memset(cmd->sense_buffer, 0, sizeof cmd->sense_buffer); diff --git a/drivers/scsi/sym53c8xx_2/sym_glue.c b/drivers/scsi/sym53c8xx_2/sym_glue.c index a1dff6d437bc..5ff83d214f12 100644 --- a/drivers/scsi/sym53c8xx_2/sym_glue.c +++ b/drivers/scsi/sym53c8xx_2/sym_glue.c @@ -799,12 +799,6 @@ static int sym_eh_handler(int op, char *opname, struct scsi_cmnd *cmd) dev_warn(&cmd->device->sdev_gendev, "%s operation started.\n", opname); -#if 0 - /* This one should be the result of some race, thus to ignore */ - if (cmd->serial_number != cmd->serial_number_at_timeout) - goto prepare; -#endif - /* This one is queued in some place -> to wait for completion */ FOR_EACH_QUEUED_ELEMENT(&np->busy_ccbq, qp) { struct sym_ccb *cp = sym_que_entry(qp, struct sym_ccb, link_ccbq); diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h index ae45d6f8f98c..07f5c699eaa7 100644 --- a/include/scsi/scsi_cmnd.h +++ b/include/scsi/scsi_cmnd.h @@ -43,21 +43,17 @@ struct scsi_cmnd { void (*done) (struct scsi_cmnd *); /* Mid-level done function */ /* - * A SCSI Command is assigned a nonzero serial_number when internal_cmnd - * passes it to the driver's queue command function. The serial_number - * is cleared when scsi_done is entered indicating that the command has - * been completed. If a timeout occurs, the serial number at the moment - * of timeout is copied into serial_number_at_timeout. By subsequently - * comparing the serial_number and serial_number_at_timeout fields - * during abort or reset processing, we can detect whether the command - * has already completed. This also detects cases where the command has - * completed and the SCSI Command structure has already being reused - * for another command, so that we can avoid incorrectly aborting or - * resetting the new command. - * The serial number is only unique per host. + * A SCSI Command is assigned a nonzero serial_number before passed + * to the driver's queue command function. The serial_number is + * cleared when scsi_done is entered indicating that the command + * has been completed. It currently doesn't have much use other + * than printk's. Some lldd's use this number for other purposes. + * It's almost certain that such usages are either incorrect or + * meaningless. Please kill all usages other than printk's. Also, + * as this number is always identical to ->pid, please convert + * printk's to use ->pid, so that we can kill this field. */ unsigned long serial_number; - unsigned long serial_number_at_timeout; int retries; int allowed; |