[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>

1 files changed, 1 insertions, 9 deletions

diff --git a/drivers/scsi/sata_sil24.c b/drivers/scsi/sata_sil24.c
index 5a7a7b1d4add..7222fc7ff3fc 100644
--- a/drivers/scsi/sata_sil24.c
+++ b/drivers/scsi/sata_sil24.c
@@ -644,17 +644,9 @@ static void sil24_eng_timeout(struct ata_port *ap)
                 return;
         }
 
-        /*
-         * 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.
-         */
         printk(KERN_ERR "ata%u: command timeout\n", ap->id);
-        qc->scsidone = scsi_finish_command;
         qc->err_mask |= AC_ERR_TIMEOUT;
-        ata_qc_complete(qc);
+        ata_eh_qc_complete(qc);
 
         sil24_reset_controller(ap);
 }