Commit cf1b86c8 authored by Tejun Heo's avatar Tejun Heo Committed by Jeff Garzik
Browse files

libata-link: update ata_scsi_error() to handle PMP links 



Update ata_scsi_error() to handle PMP links.  As error conditions can
occur on both host and PMP links, __ata_port_for_each_link() is used.

Signed-off-by: default avatarTejun Heo <htejun@gmail.com>
Signed-off-by: default avatarJeff Garzik <jeff@garzik.org>
parent 8989805d

drivers/ata/libata-eh.c

+9 −4
Original line number Diff line number Diff line
@@ -363,6 +363,8 @@ void ata_scsi_error(struct Scsi_Host *host) 
 repeat:

	/* invoke error handler */

	if (ap->ops->error_handler) {

		struct ata_link *link;



		/* kill fast drain timer */

		del_timer_sync(&ap->fastdrain_timer);
@@ -372,9 +374,11 @@ void ata_scsi_error(struct Scsi_Host *host) 
		/* fetch & clear EH info */

		spin_lock_irqsave(ap->lock, flags);



		memset(&ap->link.eh_context, 0, sizeof(ap->link.eh_context));

		ap->link.eh_context.i = ap->link.eh_info;

		memset(&ap->link.eh_info, 0, sizeof(ap->link.eh_info));

		__ata_port_for_each_link(link, ap) {

			memset(&link->eh_context, 0, sizeof(link->eh_context));

			link->eh_context.i = link->eh_info;

			memset(&link->eh_info, 0, sizeof(link->eh_info));

		}



		ap->pflags |= ATA_PFLAG_EH_IN_PROGRESS;

		ap->pflags &= ~ATA_PFLAG_EH_PENDING;
@@ -410,7 +414,8 @@ void ata_scsi_error(struct Scsi_Host *host) 
		}



		/* this run is complete, make sure EH info is clear */

		memset(&ap->link.eh_info, 0, sizeof(ap->link.eh_info));

		__ata_port_for_each_link(link, ap)

			memset(&link->eh_info, 0, sizeof(link->eh_info));



		/* Clear host_eh_scheduled while holding ap->lock such

		 * that if exception occurs after this point but