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authorTejun Heo2006-01-23 05:09:37 +0100
committerJeff Garzik2006-01-27 04:36:28 +0100
commita72ec4ce6d3ae92e76baf5b2c65cc26e5e775e83 (patch)
treef5a177cc30c9b39d8ae7dcad29d03d27534b9f78 /drivers/scsi/libata-core.c
parent[PATCH] SCSI: export scsi_eh_finish_cmd() and scsi_eh_flush_done_q() (diff)
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[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>
Diffstat (limited to 'drivers/scsi/libata-core.c')
-rw-r--r--drivers/scsi/libata-core.c14
1 files changed, 5 insertions, 9 deletions
diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c
index b29bf0dc948a..93ae2dcc837c 100644
--- a/drivers/scsi/libata-core.c
+++ b/drivers/scsi/libata-core.c
@@ -3449,14 +3449,6 @@ static void ata_qc_timeout(struct ata_queued_cmd *qc)
spin_lock_irqsave(&host_set->lock, flags);
- /* 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:
@@ -3480,12 +3472,13 @@ static void ata_qc_timeout(struct ata_queued_cmd *qc)
/* complete taskfile transaction */
qc->err_mask |= ac_err_mask(drv_stat);
- ata_qc_complete(qc);
break;
}
spin_unlock_irqrestore(&host_set->lock, flags);
+ ata_eh_qc_complete(qc);
+
DPRINTK("EXIT\n");
}
@@ -4422,6 +4415,7 @@ static void ata_host_init(struct ata_port *ap, struct Scsi_Host *host,
INIT_WORK(&ap->packet_task, atapi_packet_task, ap);
INIT_WORK(&ap->pio_task, ata_pio_task, ap);
+ INIT_LIST_HEAD(&ap->eh_done_q);
for (i = 0; i < ATA_MAX_DEVICES; i++)
ap->device[i].devno = i;
@@ -5165,6 +5159,8 @@ EXPORT_SYMBOL_GPL(ata_dev_classify);
EXPORT_SYMBOL_GPL(ata_dev_id_string);
EXPORT_SYMBOL_GPL(ata_dev_config);
EXPORT_SYMBOL_GPL(ata_scsi_simulate);
+EXPORT_SYMBOL_GPL(ata_eh_qc_complete);
+EXPORT_SYMBOL_GPL(ata_eh_qc_retry);
EXPORT_SYMBOL_GPL(ata_pio_need_iordy);
EXPORT_SYMBOL_GPL(ata_timing_compute);