diff options
author | Jeff Garzik <jgarzik@pobox.com> | 2005-05-28 07:54:40 -0400 |
---|---|---|
committer | Jeff Garzik <jgarzik@pobox.com> | 2005-06-17 12:04:55 -0500 |
commit | 8fa728a26886f56a9ee10a44fea0ddda301d21c3 (patch) | |
tree | 105ead5c90057400abae0c8aa9e2b5ba1818c327 /drivers | |
parent | 3471c288036bf0835a82d0b1bbce2002f6e68390 (diff) | |
download | kernel_samsung_crespo-8fa728a26886f56a9ee10a44fea0ddda301d21c3.zip kernel_samsung_crespo-8fa728a26886f56a9ee10a44fea0ddda301d21c3.tar.gz kernel_samsung_crespo-8fa728a26886f56a9ee10a44fea0ddda301d21c3.tar.bz2 |
[SCSI] allow sleeping in ->eh_abort_handler()
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/message/fusion/mptscsih.c | 5 | ||||
-rw-r--r-- | drivers/s390/scsi/zfcp_scsi.c | 13 | ||||
-rw-r--r-- | drivers/scsi/aic7xxx/aic79xx_osm.c | 8 | ||||
-rw-r--r-- | drivers/scsi/aic7xxx/aic7xxx_osm.c | 4 | ||||
-rw-r--r-- | drivers/scsi/aic7xxx_old.c | 15 | ||||
-rw-r--r-- | drivers/scsi/ibmmca.c | 14 | ||||
-rw-r--r-- | drivers/scsi/ibmvscsi/ibmvscsi.c | 2 | ||||
-rw-r--r-- | drivers/scsi/in2000.c | 12 | ||||
-rw-r--r-- | drivers/scsi/ipr.c | 24 | ||||
-rw-r--r-- | drivers/scsi/ips.c | 7 | ||||
-rw-r--r-- | drivers/scsi/lpfc/lpfc_scsi.c | 12 | ||||
-rw-r--r-- | drivers/scsi/megaraid/megaraid_mbox.c | 17 | ||||
-rw-r--r-- | drivers/scsi/qla1280.c | 8 | ||||
-rw-r--r-- | drivers/scsi/qla2xxx/qla_os.c | 2 | ||||
-rw-r--r-- | drivers/scsi/scsi_error.c | 13 | ||||
-rw-r--r-- | drivers/scsi/sym53c8xx_2/sym_glue.c | 8 | ||||
-rw-r--r-- | drivers/scsi/ultrastor.c | 2 | ||||
-rw-r--r-- | drivers/usb/storage/scsiglue.c | 2 |
18 files changed, 121 insertions, 47 deletions
diff --git a/drivers/message/fusion/mptscsih.c b/drivers/message/fusion/mptscsih.c index c849203..6a5851c 100644 --- a/drivers/message/fusion/mptscsih.c +++ b/drivers/message/fusion/mptscsih.c @@ -1707,7 +1707,6 @@ mptscsih_abort(struct scsi_cmnd * SCpnt) MPT_FRAME_HDR *mf; u32 ctx2abort; int scpnt_idx; - spinlock_t *host_lock = SCpnt->device->host->host_lock; /* If we can't locate our host adapter structure, return FAILED status. */ @@ -1755,7 +1754,6 @@ mptscsih_abort(struct scsi_cmnd * SCpnt) hd->abortSCpnt = SCpnt; - spin_unlock_irq(host_lock); if (mptscsih_TMHandler(hd, MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK, SCpnt->device->channel, SCpnt->device->id, SCpnt->device->lun, ctx2abort, 2 /* 2 second timeout */) @@ -1772,8 +1770,6 @@ mptscsih_abort(struct scsi_cmnd * SCpnt) hd->tmPending = 0; hd->tmState = TM_STATE_NONE; - spin_lock_irq(host_lock); - /* Unmap the DMA buffers, if any. */ if (SCpnt->use_sg) { pci_unmap_sg(ioc->pcidev, (struct scatterlist *) SCpnt->request_buffer, @@ -1789,7 +1785,6 @@ mptscsih_abort(struct scsi_cmnd * SCpnt) mpt_free_msg_frame(ioc, mf); return FAILED; } - spin_lock_irq(host_lock); return SUCCESS; } diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c index c6f69fc..6e44475 100644 --- a/drivers/s390/scsi/zfcp_scsi.c +++ b/drivers/s390/scsi/zfcp_scsi.c @@ -433,7 +433,7 @@ zfcp_port_lookup(struct zfcp_adapter *adapter, int channel, scsi_id_t id) * FAILED - otherwise */ int -zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt) +__zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt) { int retval = SUCCESS; struct zfcp_fsf_req *new_fsf_req, *old_fsf_req; @@ -611,6 +611,17 @@ zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt) return retval; } +int +zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt) +{ + int rc; + struct Scsi_Host *scsi_host = scpnt->device->host; + spin_lock_irq(scsi_host->host_lock); + rc = __zfcp_scsi_eh_abort_handler(scpnt); + spin_unlock_irq(scsi_host->host_lock); + return rc; +} + /* * function: zfcp_scsi_eh_device_reset_handler * diff --git a/drivers/scsi/aic7xxx/aic79xx_osm.c b/drivers/scsi/aic7xxx/aic79xx_osm.c index 550c992..7fc6c76 100644 --- a/drivers/scsi/aic7xxx/aic79xx_osm.c +++ b/drivers/scsi/aic7xxx/aic79xx_osm.c @@ -941,7 +941,7 @@ ahd_linux_queue(Scsi_Cmnd * cmd, void (*scsi_done) (Scsi_Cmnd *)) */ cmd->scsi_done = scsi_done; - ahd_midlayer_entrypoint_lock(ahd, &flags); + ahd_lock(ahd, &flags); /* * Close the race of a command that was in the process of @@ -955,7 +955,7 @@ ahd_linux_queue(Scsi_Cmnd * cmd, void (*scsi_done) (Scsi_Cmnd *)) ahd_cmd_set_transaction_status(cmd, CAM_REQUEUE_REQ); ahd_linux_queue_cmd_complete(ahd, cmd); ahd_schedule_completeq(ahd); - ahd_midlayer_entrypoint_unlock(ahd, &flags); + ahd_unlock(ahd, &flags); return (0); } dev = ahd_linux_get_device(ahd, cmd->device->channel, @@ -965,7 +965,7 @@ ahd_linux_queue(Scsi_Cmnd * cmd, void (*scsi_done) (Scsi_Cmnd *)) ahd_cmd_set_transaction_status(cmd, CAM_RESRC_UNAVAIL); ahd_linux_queue_cmd_complete(ahd, cmd); ahd_schedule_completeq(ahd); - ahd_midlayer_entrypoint_unlock(ahd, &flags); + ahd_unlock(ahd, &flags); printf("%s: aic79xx_linux_queue - Unable to allocate device!\n", ahd_name(ahd)); return (0); @@ -979,7 +979,7 @@ ahd_linux_queue(Scsi_Cmnd * cmd, void (*scsi_done) (Scsi_Cmnd *)) dev->flags |= AHD_DEV_ON_RUN_LIST; ahd_linux_run_device_queues(ahd); } - ahd_midlayer_entrypoint_unlock(ahd, &flags); + ahd_unlock(ahd, &flags); return (0); } diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm.c b/drivers/scsi/aic7xxx/aic7xxx_osm.c index e389258..89f073a 100644 --- a/drivers/scsi/aic7xxx/aic7xxx_osm.c +++ b/drivers/scsi/aic7xxx/aic7xxx_osm.c @@ -2249,6 +2249,8 @@ ahc_linux_queue_recovery_cmd(struct scsi_cmnd *cmd, scb_flag flag) printf(" 0x%x", cmd->cmnd[cdb_byte]); printf("\n"); + spin_lock_irq(&ahc->platform_data->spin_lock); + /* * First determine if we currently own this command. * Start by searching the device queue. If not found @@ -2503,6 +2505,8 @@ done: } spin_lock_irq(&ahc->platform_data->spin_lock); } + + spin_unlock_irq(&ahc->platform_data->spin_lock); return (retval); } diff --git a/drivers/scsi/aic7xxx_old.c b/drivers/scsi/aic7xxx_old.c index 9e9d0c4..ee127e8 100644 --- a/drivers/scsi/aic7xxx_old.c +++ b/drivers/scsi/aic7xxx_old.c @@ -10585,7 +10585,7 @@ aic7xxx_panic_abort(struct aic7xxx_host *p, Scsi_Cmnd *cmd) * Abort the current SCSI command(s). *-F*************************************************************************/ static int -aic7xxx_abort(Scsi_Cmnd *cmd) +__aic7xxx_abort(Scsi_Cmnd *cmd) { struct aic7xxx_scb *scb = NULL; struct aic7xxx_host *p; @@ -10802,6 +10802,19 @@ success: return SUCCESS; } +static int +aic7xxx_abort(Scsi_Cmnd *cmd) +{ + int rc; + + spin_lock_irq(cmd->device->host->host_lock); + rc = __aic7xxx_abort(cmd); + spin_unlock_irq(cmd->device->host->host_lock); + + return rc; +} + + /*+F************************************************************************* * Function: * aic7xxx_reset diff --git a/drivers/scsi/ibmmca.c b/drivers/scsi/ibmmca.c index a3fdead..0018fb5 100644 --- a/drivers/scsi/ibmmca.c +++ b/drivers/scsi/ibmmca.c @@ -2118,7 +2118,7 @@ static int ibmmca_queuecommand(Scsi_Cmnd * cmd, void (*done) (Scsi_Cmnd *)) return 0; } -static int ibmmca_abort(Scsi_Cmnd * cmd) +static int __ibmmca_abort(Scsi_Cmnd * cmd) { /* Abort does not work, as the adapter never generates an interrupt on * whatever situation is simulated, even when really pending commands @@ -2225,6 +2225,18 @@ static int ibmmca_abort(Scsi_Cmnd * cmd) } } +static int ibmmca_abort(Scsi_Cmnd * cmd) +{ + struct Scsi_Host *shpnt = cmd->device->host; + int rc; + + spin_lock_irq(shpnt->host_lock); + rc = __ibmmca_abort(cmd); + spin_unlock_irq(shpnt->host_lock); + + return rc; +} + static int ibmmca_host_reset(Scsi_Cmnd * cmd) { struct Scsi_Host *shpnt; diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c index e89f76e..d857842 100644 --- a/drivers/scsi/ibmvscsi/ibmvscsi.c +++ b/drivers/scsi/ibmvscsi/ibmvscsi.c @@ -874,9 +874,7 @@ static int ibmvscsi_eh_abort_handler(struct scsi_cmnd *cmd) return FAILED; } - spin_unlock_irq(hostdata->host->host_lock); wait_for_completion(&evt->comp); - spin_lock_irq(hostdata->host->host_lock); /* make sure we got a good response */ if (unlikely(srp_rsp.srp.generic.type != SRP_RSP_TYPE)) { diff --git a/drivers/scsi/in2000.c b/drivers/scsi/in2000.c index e1fe6f1..fbb29f7 100644 --- a/drivers/scsi/in2000.c +++ b/drivers/scsi/in2000.c @@ -1671,7 +1671,7 @@ static int in2000_bus_reset(Scsi_Cmnd * cmd) return SUCCESS; } -static int in2000_abort(Scsi_Cmnd * cmd) +static int __in2000_abort(Scsi_Cmnd * cmd) { struct Scsi_Host *instance; struct IN2000_hostdata *hostdata; @@ -1792,6 +1792,16 @@ static int in2000_abort(Scsi_Cmnd * cmd) return SUCCESS; } +static int in2000_abort(Scsi_Cmnd * cmd) +{ + int rc; + + spin_lock_irq(cmd->device->host->host_lock); + rc = __in2000_abort(cmd); + spin_unlock_irq(cmd->device->host->host_lock); + + return rc; +} #define MAX_IN2000_HOSTS 3 diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index a3d9cf6..f9c01a1 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -3068,6 +3068,12 @@ static int ipr_cancel_op(struct scsi_cmnd * scsi_cmd) ioa_cfg = (struct ipr_ioa_cfg *)scsi_cmd->device->host->hostdata; res = scsi_cmd->device->hostdata; + /* If we are currently going through reset/reload, return failed. + * This will force the mid-layer to call ipr_eh_host_reset, + * which will then go to sleep and wait for the reset to complete + */ + if (ioa_cfg->in_reset_reload || ioa_cfg->ioa_is_dead) + return FAILED; if (!res || (!ipr_is_gscsi(res) && !ipr_is_vset_device(res))) return FAILED; @@ -3118,23 +3124,17 @@ static int ipr_cancel_op(struct scsi_cmnd * scsi_cmd) **/ static int ipr_eh_abort(struct scsi_cmnd * scsi_cmd) { - struct ipr_ioa_cfg *ioa_cfg; + unsigned long flags; + int rc; ENTER; - ioa_cfg = (struct ipr_ioa_cfg *) scsi_cmd->device->host->hostdata; - /* If we are currently going through reset/reload, return failed. This will force the - mid-layer to call ipr_eh_host_reset, which will then go to sleep and wait for the - reset to complete */ - if (ioa_cfg->in_reset_reload) - return FAILED; - if (ioa_cfg->ioa_is_dead) - return FAILED; - if (!scsi_cmd->device->hostdata) - return FAILED; + spin_lock_irqsave(scsi_cmd->device->host->host_lock, flags); + rc = ipr_cancel_op(scsi_cmd); + spin_unlock_irqrestore(scsi_cmd->device->host->host_lock, flags); LEAVE; - return ipr_cancel_op(scsi_cmd); + return rc; } /** diff --git a/drivers/scsi/ips.c b/drivers/scsi/ips.c index fbc2cb6..6572e10 100644 --- a/drivers/scsi/ips.c +++ b/drivers/scsi/ips.c @@ -819,12 +819,15 @@ ips_eh_abort(Scsi_Cmnd * SC) ips_ha_t *ha; ips_copp_wait_item_t *item; int ret; + unsigned long cpu_flags; + struct Scsi_Host *host; METHOD_TRACE("ips_eh_abort", 1); if (!SC) return (FAILED); + host = SC->device->host; ha = (ips_ha_t *) SC->device->host->hostdata; if (!ha) @@ -833,6 +836,8 @@ ips_eh_abort(Scsi_Cmnd * SC) if (!ha->active) return (FAILED); + IPS_LOCK_SAVE(host->host_lock, cpu_flags); + /* See if the command is on the copp queue */ item = ha->copp_waitlist.head; while ((item) && (item->scsi_cmd != SC)) @@ -851,6 +856,8 @@ ips_eh_abort(Scsi_Cmnd * SC) /* command must have already been sent */ ret = (FAILED); } + + IPS_UNLOCK_RESTORE(host->host_lock, cpu_flags); return ret; } diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index 42fab03..e9b84f9 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -798,7 +798,7 @@ lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *)) } static int -lpfc_abort_handler(struct scsi_cmnd *cmnd) +__lpfc_abort_handler(struct scsi_cmnd *cmnd) { struct lpfc_hba *phba = (struct lpfc_hba *)cmnd->device->host->hostdata[0]; @@ -918,6 +918,16 @@ lpfc_abort_handler(struct scsi_cmnd *cmnd) } static int +lpfc_abort_handler(struct scsi_cmnd *cmnd) +{ + int rc; + spin_lock_irq(cmnd->device->host->host_lock); + rc = __lpfc_abort_handler(cmnd); + spin_unlock_irq(cmnd->device->host->host_lock); + return rc; +} + +static int lpfc_reset_lun_handler(struct scsi_cmnd *cmnd) { struct Scsi_Host *shost = cmnd->device->host; diff --git a/drivers/scsi/megaraid/megaraid_mbox.c b/drivers/scsi/megaraid/megaraid_mbox.c index 7876873..bec4406 100644 --- a/drivers/scsi/megaraid/megaraid_mbox.c +++ b/drivers/scsi/megaraid/megaraid_mbox.c @@ -2566,7 +2566,7 @@ megaraid_mbox_dpc(unsigned long devp) * aborted. All the commands issued to the F/W must complete. **/ static int -megaraid_abort_handler(struct scsi_cmnd *scp) +__megaraid_abort_handler(struct scsi_cmnd *scp) { adapter_t *adapter; mraid_device_t *raid_dev; @@ -2699,6 +2699,21 @@ megaraid_abort_handler(struct scsi_cmnd *scp) return FAILED; } +static int +megaraid_abort_handler(struct scsi_cmnd *scp) +{ + adapter_t *adapter; + int rc; + + adapter = SCP2ADAPTER(scp); + + spin_lock_irq(adapter->host_lock); + rc = __megaraid_abort_handler(scp); + spin_unlock_irq(adapter->host_lock); + + return rc; +} + /** * megaraid_reset_handler - device reset hadler for mailbox based driver diff --git a/drivers/scsi/qla1280.c b/drivers/scsi/qla1280.c index 653e589..638be81 100644 --- a/drivers/scsi/qla1280.c +++ b/drivers/scsi/qla1280.c @@ -1098,7 +1098,13 @@ qla1280_error_action(struct scsi_cmnd *cmd, enum action action) static int qla1280_eh_abort(struct scsi_cmnd * cmd) { - return qla1280_error_action(cmd, ABORT_COMMAND); + int rc; + + spin_lock_irq(cmd->device->host->host_lock); + rc = qla1280_error_action(cmd, ABORT_COMMAND); + spin_unlock_irq(cmd->device->host->host_lock); + + return rc; } /************************************************************************** diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index 7f8d747..1693998 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -476,7 +476,6 @@ qla2xxx_eh_abort(struct scsi_cmnd *cmd) serial = cmd->serial_number; /* Check active list for command command. */ - spin_unlock_irq(ha->host->host_lock); spin_lock(&ha->hardware_lock); for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) { sp = ha->outstanding_cmds[i]; @@ -516,7 +515,6 @@ qla2xxx_eh_abort(struct scsi_cmnd *cmd) } spin_lock(&ha->hardware_lock); } - spin_lock_irq(ha->host->host_lock); qla_printk(KERN_INFO, ha, "scsi(%ld:%d:%d): Abort command issued -- %lx %x.\n", ha->host_no, diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c index 113c02d..3877a78 100644 --- a/drivers/scsi/scsi_error.c +++ b/drivers/scsi/scsi_error.c @@ -526,10 +526,8 @@ static int scsi_send_eh_cmnd(struct scsi_cmnd *scmd, int timeout) * abort a timed out command or not. not sure how * we should treat them differently anyways. */ - spin_lock_irqsave(shost->host_lock, flags); if (shost->hostt->eh_abort_handler) shost->hostt->eh_abort_handler(scmd); - spin_unlock_irqrestore(shost->host_lock, flags); scmd->request->rq_status = RQ_SCSI_DONE; scmd->owner = SCSI_OWNER_ERROR_HANDLER; @@ -735,11 +733,8 @@ static int scsi_eh_get_sense(struct list_head *work_q, **/ static int scsi_try_to_abort_cmd(struct scsi_cmnd *scmd) { - unsigned long flags; - int rtn = FAILED; - if (!scmd->device->host->hostt->eh_abort_handler) - return rtn; + return FAILED; /* * scsi_done was called just after the command timed out and before @@ -750,11 +745,7 @@ static int scsi_try_to_abort_cmd(struct scsi_cmnd *scmd) scmd->owner = SCSI_OWNER_LOWLEVEL; - spin_lock_irqsave(scmd->device->host->host_lock, flags); - rtn = scmd->device->host->hostt->eh_abort_handler(scmd); - spin_unlock_irqrestore(scmd->device->host->host_lock, flags); - - return rtn; + return scmd->device->host->hostt->eh_abort_handler(scmd); } /** diff --git a/drivers/scsi/sym53c8xx_2/sym_glue.c b/drivers/scsi/sym53c8xx_2/sym_glue.c index be58ffd..e2d055e 100644 --- a/drivers/scsi/sym53c8xx_2/sym_glue.c +++ b/drivers/scsi/sym53c8xx_2/sym_glue.c @@ -856,7 +856,13 @@ prepare: */ static int sym53c8xx_eh_abort_handler(struct scsi_cmnd *cmd) { - return sym_eh_handler(SYM_EH_ABORT, "ABORT", cmd); + int rc; + + spin_lock_irq(cmd->device->host->host_lock); + rc = sym_eh_handler(SYM_EH_ABORT, "ABORT", cmd); + spin_unlock_irq(cmd->device->host->host_lock); + + return rc; } static int sym53c8xx_eh_device_reset_handler(struct scsi_cmnd *cmd) diff --git a/drivers/scsi/ultrastor.c b/drivers/scsi/ultrastor.c index 2c17470..486551b 100644 --- a/drivers/scsi/ultrastor.c +++ b/drivers/scsi/ultrastor.c @@ -879,7 +879,7 @@ static int ultrastor_abort(Scsi_Cmnd *SCpnt) ogm_addr = (unsigned int)isa_bus_to_virt(inl(port0 + 23)); icm_status = inb(port0 + 27); icm_addr = (unsigned int)isa_bus_to_virt(inl(port0 + 28)); - spin_lock_irqsave(host->host_lock, flags); + spin_unlock_irqrestore(host->host_lock, flags); } /* First check to see if an interrupt is pending. I suspect the SiS diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c index 22e48a2..7dce9c0 100644 --- a/drivers/usb/storage/scsiglue.c +++ b/drivers/usb/storage/scsiglue.c @@ -233,13 +233,11 @@ static int command_abort(struct scsi_cmnd *srb) set_bit(US_FLIDX_ABORTING, &us->flags); usb_stor_stop_transport(us); } - scsi_unlock(us_to_host(us)); /* Wait for the aborted command to finish */ wait_for_completion(&us->notify); /* Reacquire the lock and allow USB transfers to resume */ - scsi_lock(us_to_host(us)); clear_bit(US_FLIDX_ABORTING, &us->flags); clear_bit(US_FLIDX_TIMED_OUT, &us->flags); return SUCCESS; |