Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6

[linux-2.6-omap-h63xx.git] / drivers / ata / libata-eh.c

diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index f2dd99122bd6fc43652f9f9c948d61a33745e5bc..5d687d7cffaea9a3e50d28eae19e9cffdb08c975 100644 (file)
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -33,6 +33,7 @@
  */
 
 #include <linux/kernel.h>
+#include <linux/blkdev.h>
 #include <linux/pci.h>
 #include <scsi/scsi.h>
 #include <scsi/scsi_host.h>
@@ -459,29 +460,29 @@ static void ata_eh_clear_action(struct ata_link *link, struct ata_device *dev,
  *     RETURNS:
  *     EH_HANDLED or EH_NOT_HANDLED
  */
-enum scsi_eh_timer_return ata_scsi_timed_out(struct scsi_cmnd *cmd)
+enum blk_eh_timer_return ata_scsi_timed_out(struct scsi_cmnd *cmd)
 {
        struct Scsi_Host *host = cmd->device->host;
        struct ata_port *ap = ata_shost_to_port(host);
        unsigned long flags;
        struct ata_queued_cmd *qc;
-       enum scsi_eh_timer_return ret;
+       enum blk_eh_timer_return ret;
 
        DPRINTK("ENTER\n");
 
        if (ap->ops->error_handler) {
-               ret = EH_NOT_HANDLED;
+               ret = BLK_EH_NOT_HANDLED;
                goto out;
        }
 
-       ret = EH_HANDLED;
+       ret = BLK_EH_HANDLED;
        spin_lock_irqsave(ap->lock, flags);
        qc = ata_qc_from_tag(ap, ap->link.active_tag);
        if (qc) {
                WARN_ON(qc->scsicmd != cmd);
                qc->flags |= ATA_QCFLAG_EH_SCHEDULED;
                qc->err_mask |= AC_ERR_TIMEOUT;
-               ret = EH_NOT_HANDLED;
+               ret = BLK_EH_NOT_HANDLED;
        }
        spin_unlock_irqrestore(ap->lock, flags);
 
@@ -833,7 +834,7 @@ void ata_qc_schedule_eh(struct ata_queued_cmd *qc)
         * Note that ATA_QCFLAG_FAILED is unconditionally set after
         * this function completes.
         */
-       scsi_req_abort_cmd(qc->scsicmd);
+       blk_abort_request(qc->scsicmd->request);
 }
 
 /**
@@ -1205,7 +1206,10 @@ void ata_eh_about_to_do(struct ata_link *link, struct ata_device *dev,
 
        ata_eh_clear_action(link, dev, ehi, action);
 
-       if (!(ehc->i.flags & ATA_EHI_QUIET))
+       /* About to take EH action, set RECOVERED.  Ignore actions on
+        * slave links as master will do them again.
+        */
+       if (!(ehc->i.flags & ATA_EHI_QUIET) && link != ap->slave_link)
                ap->pflags |= ATA_PFLAG_RECOVERED;
 
        spin_unlock_irqrestore(ap->lock, flags);
@@ -2009,8 +2013,13 @@ void ata_eh_autopsy(struct ata_port *ap)
                struct ata_eh_context *mehc = &ap->link.eh_context;
                struct ata_eh_context *sehc = &ap->slave_link->eh_context;
 
+               /* transfer control flags from master to slave */
+               sehc->i.flags |= mehc->i.flags & ATA_EHI_TO_SLAVE_MASK;
+
+               /* perform autopsy on the slave link */
                ata_eh_link_autopsy(ap->slave_link);
 
+               /* transfer actions from slave to master and clear slave */
                ata_eh_about_to_do(ap->slave_link, NULL, ATA_EH_ALL_ACTIONS);
                mehc->i.action          |= sehc->i.action;
                mehc->i.dev_action[1]   |= sehc->i.dev_action[1];
@@ -2446,14 +2455,14 @@ int ata_eh_reset(struct ata_link *link, int classify,
                dev->pio_mode = XFER_PIO_0;
                dev->flags &= ~ATA_DFLAG_SLEEPING;
 
-               if (ata_phys_link_offline(ata_dev_phys_link(dev)))
-                       continue;
-
-               /* apply class override */
-               if (lflags & ATA_LFLAG_ASSUME_ATA)
-                       classes[dev->devno] = ATA_DEV_ATA;
-               else if (lflags & ATA_LFLAG_ASSUME_SEMB)
-                       classes[dev->devno] = ATA_DEV_SEMB_UNSUP; /* not yet */
+               if (!ata_phys_link_offline(ata_dev_phys_link(dev))) {
+                       /* apply class override */
+                       if (lflags & ATA_LFLAG_ASSUME_ATA)
+                               classes[dev->devno] = ATA_DEV_ATA;
+                       else if (lflags & ATA_LFLAG_ASSUME_SEMB)
+                               classes[dev->devno] = ATA_DEV_SEMB_UNSUP;
+               } else
+                       classes[dev->devno] = ATA_DEV_NONE;
        }
 
        /* record current link speed */