Looks OK to me.
Thanks.
Acked-by: Jack Wang <jack_wang@xxxxxxxxx>
--------------
jack_wang
>ACK
>
>On Mar 9, 2012, at 3:13 AM, santosh nayak wrote:
>
>> From: Santosh Nayak <santoshprasadnayak@xxxxxxxxx>
>>
>> Use spin_lock_irqsave() for task_state.
>>
>> Signed-off-by: Santosh Nayak <santoshprasadnayak@xxxxxxxxx>
>> ---
>> drivers/scsi/pm8001/pm8001_hwi.c | 18 ++++++++++--------
>> 1 files changed, 10 insertions(+), 8 deletions(-)
>>
>> diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c
>> index 3619f6e..9d82ee5 100644
>> --- a/drivers/scsi/pm8001/pm8001_hwi.c
>> +++ b/drivers/scsi/pm8001/pm8001_hwi.c
>> @@ -2093,6 +2093,7 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
>> struct ata_task_resp *resp ;
>> u32 *sata_resp;
>> struct pm8001_device *pm8001_dev;
>> + unsigned long flags;
>>
>> psataPayload = (struct sata_completion_resp *)(piomb + 4);
>> status = le32_to_cpu(psataPayload->status);
>> @@ -2382,26 +2383,26 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
>> ts->stat = SAS_DEV_NO_RESPONSE;
>> break;
>> }
>> - spin_lock_irq(&t->task_state_lock);
>> + spin_lock_irqsave(&t->task_state_lock, flags);
>> t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
>> t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
>> t->task_state_flags |= SAS_TASK_STATE_DONE;
>> if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
>> - spin_unlock_irq(&t->task_state_lock);
>> + spin_unlock_irqrestore(&t->task_state_lock, flags);
>> PM8001_FAIL_DBG(pm8001_ha,
>> pm8001_printk("task 0x%p done with io_status 0x%x"
>> " resp 0x%x stat 0x%x but aborted by upper layer!\n",
>> t, status, ts->resp, ts->stat));
>> pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
>> } else if (t->uldd_task) {
>> - spin_unlock_irq(&t->task_state_lock);
>> + spin_unlock_irqrestore(&t->task_state_lock, flags);
>> pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
>> mb();/* ditto */
>> spin_unlock_irq(&pm8001_ha->lock);
>> t->task_done(t);
>> spin_lock_irq(&pm8001_ha->lock);
>> } else if (!t->uldd_task) {
>> - spin_unlock_irq(&t->task_state_lock);
>> + spin_unlock_irqrestore(&t->task_state_lock, flags);
>> pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
>> mb();/*ditto*/
>> spin_unlock_irq(&pm8001_ha->lock);
>> @@ -2423,6 +2424,7 @@ static void mpi_sata_event(struct pm8001_hba_info *pm8001_ha , void *piomb)
>> u32 tag = le32_to_cpu(psataPayload->tag);
>> u32 port_id = le32_to_cpu(psataPayload->port_id);
>> u32 dev_id = le32_to_cpu(psataPayload->device_id);
>> + unsigned long flags;
>>
>> ccb = &pm8001_ha->ccb_info[tag];
>> t = ccb->task;
>> @@ -2593,26 +2595,26 @@ static void mpi_sata_event(struct pm8001_hba_info *pm8001_ha , void *piomb)
>> ts->stat = SAS_OPEN_TO;
>> break;
>> }
>> - spin_lock_irq(&t->task_state_lock);
>> + spin_lock_irqsave(&t->task_state_lock, flags);
>> t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
>> t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
>> t->task_state_flags |= SAS_TASK_STATE_DONE;
>> if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
>> - spin_unlock_irq(&t->task_state_lock);
>> + spin_unlock_irqrestore(&t->task_state_lock, flags);
>> PM8001_FAIL_DBG(pm8001_ha,
>> pm8001_printk("task 0x%p done with io_status 0x%x"
>> " resp 0x%x stat 0x%x but aborted by upper layer!\n",
>> t, event, ts->resp, ts->stat));
>> pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
>> } else if (t->uldd_task) {
>> - spin_unlock_irq(&t->task_state_lock);
>> + spin_unlock_irqrestore(&t->task_state_lock, flags);
>> pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
>> mb();/* ditto */
>> spin_unlock_irq(&pm8001_ha->lock);
>> t->task_done(t);
>> spin_lock_irq(&pm8001_ha->lock);
>> } else if (!t->uldd_task) {
>> - spin_unlock_irq(&t->task_state_lock);
>> + spin_unlock_irqrestore(&t->task_state_lock, flags);
>> pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
>> mb();/*ditto*/
>> spin_unlock_irq(&pm8001_ha->lock);
>
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