diff options
Diffstat (limited to 'drivers/ata/libata-scsi.c')
-rw-r--r-- | drivers/ata/libata-scsi.c | 45 |
1 files changed, 36 insertions, 9 deletions
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index dd81fa78cdc..242c43eef80 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -893,6 +893,23 @@ int ata_scsi_change_queue_depth(struct scsi_device *sdev, int queue_depth) return queue_depth; } +/* XXX: for spindown warning */ +static void ata_delayed_done_timerfn(unsigned long arg) +{ + struct scsi_cmnd *scmd = (void *)arg; + + scmd->scsi_done(scmd); +} + +/* XXX: for spindown warning */ +static void ata_delayed_done(struct scsi_cmnd *scmd) +{ + static struct timer_list timer; + + setup_timer(&timer, ata_delayed_done_timerfn, (unsigned long)scmd); + mod_timer(&timer, jiffies + 5 * HZ); +} + /** * ata_scsi_start_stop_xlat - Translate SCSI START STOP UNIT command * @qc: Storage for translated ATA taskfile @@ -949,22 +966,24 @@ static unsigned int ata_scsi_start_stop_xlat(struct ata_queued_cmd *qc) * removed. Read Documentation/feature-removal-schedule.txt * for more info. */ - if (ata_spindown_compat && + if ((qc->dev->flags & ATA_DFLAG_SPUNDOWN) && (system_state == SYSTEM_HALT || system_state == SYSTEM_POWER_OFF)) { - static int warned = 0; + static unsigned long warned = 0; - if (!warned) { - spin_unlock_irq(qc->ap->lock); + if (!test_and_set_bit(0, &warned)) { ata_dev_printk(qc->dev, KERN_WARNING, "DISK MIGHT NOT BE SPUN DOWN PROPERLY. " "UPDATE SHUTDOWN UTILITY\n"); ata_dev_printk(qc->dev, KERN_WARNING, "For more info, visit " "http://linux-ata.org/shutdown.html\n"); - warned = 1; - ssleep(5); - spin_lock_irq(qc->ap->lock); + + /* ->scsi_done is not used, use it for + * delayed completion. + */ + scmd->scsi_done = qc->scsidone; + qc->scsidone = ata_delayed_done; } scmd->result = SAM_STAT_GOOD; return 1; @@ -1375,6 +1394,14 @@ static void ata_scsi_qc_complete(struct ata_queued_cmd *qc) } } + /* XXX: track spindown state for spindown skipping and warning */ + if (unlikely(qc->tf.command == ATA_CMD_STANDBY || + qc->tf.command == ATA_CMD_STANDBYNOW1)) + qc->dev->flags |= ATA_DFLAG_SPUNDOWN; + else if (likely(system_state != SYSTEM_HALT && + system_state != SYSTEM_POWER_OFF)) + qc->dev->flags &= ~ATA_DFLAG_SPUNDOWN; + if (need_sense && !ap->ops->error_handler) ata_dump_status(ap->print_id, &qc->result_tf); @@ -1488,14 +1515,14 @@ static int ata_scsi_translate(struct ata_device *dev, struct scsi_cmnd *cmd, early_finish: ata_qc_free(qc); - done(cmd); + qc->scsidone(cmd); DPRINTK("EXIT - early finish (good or error)\n"); return 0; err_did: ata_qc_free(qc); cmd->result = (DID_ERROR << 16); - done(cmd); + qc->scsidone(cmd); err_mem: DPRINTK("EXIT - internal\n"); return 0; |