[PATCH] libata: implement and apply ata_eh_qc_complete/retry()
Implement ata_eh_qc_complete/retry() using scsi_eh_finish_cmd() and
scsi_eh_flush_done_q(). This removes all eh scsicmd finish hacks from
low level drivers.
This change was first suggested by Jeff Garzik.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
diff --git a/drivers/scsi/sata_promise.c b/drivers/scsi/sata_promise.c
index bac36d5..77ef646b 100644
--- a/drivers/scsi/sata_promise.c
+++ b/drivers/scsi/sata_promise.c
@@ -400,21 +400,12 @@
goto out;
}
- /* hack alert! We cannot use the supplied completion
- * function from inside the ->eh_strategy_handler() thread.
- * libata is the only user of ->eh_strategy_handler() in
- * any kernel, so the default scsi_done() assumes it is
- * not being called from the SCSI EH.
- */
- qc->scsidone = scsi_finish_command;
-
switch (qc->tf.protocol) {
case ATA_PROT_DMA:
case ATA_PROT_NODATA:
printk(KERN_ERR "ata%u: command timeout\n", ap->id);
drv_stat = ata_wait_idle(ap);
qc->err_mask |= __ac_err_mask(drv_stat);
- ata_qc_complete(qc);
break;
default:
@@ -424,12 +415,13 @@
ap->id, qc->tf.command, drv_stat);
qc->err_mask |= ac_err_mask(drv_stat);
- ata_qc_complete(qc);
break;
}
out:
spin_unlock_irqrestore(&host_set->lock, flags);
+ if (qc)
+ ata_eh_qc_complete(qc);
DPRINTK("EXIT\n");
}