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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: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Tejun Heo 2007-08-06 18:36:23 +09:00 committed by Jeff Garzik
parent 8989805d6d
commit cf1b86c8ab
1 changed files with 9 additions and 4 deletions
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13
drivers/ata/libata-eh.c
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@ -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