[PATCH] libata-hp: implement SCSI part of hotplug
Implement SCSI part of hotplug.
This must be done in a separate context as SCSI makes use of EH during
probing. SCSI scan fails silently if EH is in progress. In such
cases, libata pauses briefly and retries until every device is
attached.
Signed-off-by: Tejun Heo <htejun@gmail.com>
diff --git a/drivers/scsi/libata-eh.c b/drivers/scsi/libata-eh.c
index b53e2e7..733dfa5 100644
--- a/drivers/scsi/libata-eh.c
+++ b/drivers/scsi/libata-eh.c
@@ -287,9 +287,13 @@
/* clean up */
spin_lock_irqsave(hs_lock, flags);
+ if (ap->flags & ATA_FLAG_SCSI_HOTPLUG)
+ queue_work(ata_aux_wq, &ap->hotplug_task);
+
if (ap->flags & ATA_FLAG_RECOVERED)
ata_port_printk(ap, KERN_INFO, "EH complete\n");
- ap->flags &= ~ATA_FLAG_RECOVERED;
+
+ ap->flags &= ~(ATA_FLAG_SCSI_HOTPLUG | ATA_FLAG_RECOVERED);
/* tell wait_eh that we're done */
ap->flags &= ~ATA_FLAG_EH_IN_PROGRESS;