[PATCH] libata: add ap->pflags and move core dynamic flags to it

ap->flags is way too clamped.  Separate out core dynamic flags to
ap->pflags.  ATA_FLAG_DISABLED is a dynamic flag but left alone as
it's referenced by a lot of LLDs and it's gonna be removed once all
LLDs are converted to new EH.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

1 files changed, 25 insertions, 25 deletions

diff --git a/drivers/scsi/libata-eh.c b/drivers/scsi/libata-eh.c
index bf5a72aca8a4..f2f29a8bc38e 100644
--- a/drivers/scsi/libata-eh.c
+++ b/drivers/scsi/libata-eh.c
@@ -270,13 +270,13 @@ void ata_scsi_error(struct Scsi_Host *host)
                 ap->eh_context.i = ap->eh_info;
                 memset(&ap->eh_info, 0, sizeof(ap->eh_info));
 
-                ap->flags |= ATA_FLAG_EH_IN_PROGRESS;
-                ap->flags &= ~ATA_FLAG_EH_PENDING;
+                ap->pflags |= ATA_PFLAG_EH_IN_PROGRESS;
+                ap->pflags &= ~ATA_PFLAG_EH_PENDING;
 
                 spin_unlock_irqrestore(ap_lock, flags);
 
                 /* invoke EH.  if unloading, just finish failed qcs */
-                if (!(ap->flags & ATA_FLAG_UNLOADING))
+                if (!(ap->pflags & ATA_PFLAG_UNLOADING))
                         ap->ops->error_handler(ap);
                 else
                         ata_eh_finish(ap);
@@ -287,7 +287,7 @@ void ata_scsi_error(struct Scsi_Host *host)
                  */
                 spin_lock_irqsave(ap_lock, flags);
 
-                if (ap->flags & ATA_FLAG_EH_PENDING) {
+                if (ap->pflags & ATA_PFLAG_EH_PENDING) {
                         if (--repeat_cnt) {
                                 ata_port_printk(ap, KERN_INFO,
                                         "EH pending after completion, "
@@ -323,19 +323,19 @@ void ata_scsi_error(struct Scsi_Host *host)
         /* clean up */
         spin_lock_irqsave(ap_lock, flags);
 
-        if (ap->flags & ATA_FLAG_LOADING) {
-                ap->flags &= ~ATA_FLAG_LOADING;
+        if (ap->pflags & ATA_PFLAG_LOADING) {
+                ap->pflags &= ~ATA_PFLAG_LOADING;
         } else {
-                if (ap->flags & ATA_FLAG_SCSI_HOTPLUG)
+                if (ap->pflags & ATA_PFLAG_SCSI_HOTPLUG)
                         queue_work(ata_aux_wq, &ap->hotplug_task);
-                if (ap->flags & ATA_FLAG_RECOVERED)
+                if (ap->pflags & ATA_PFLAG_RECOVERED)
                         ata_port_printk(ap, KERN_INFO, "EH complete\n");
         }
 
-        ap->flags &= ~(ATA_FLAG_SCSI_HOTPLUG | ATA_FLAG_RECOVERED);
+        ap->pflags &= ~(ATA_PFLAG_SCSI_HOTPLUG | ATA_PFLAG_RECOVERED);
 
         /* tell wait_eh that we're done */
-        ap->flags &= ~ATA_FLAG_EH_IN_PROGRESS;
+        ap->pflags &= ~ATA_PFLAG_EH_IN_PROGRESS;
         wake_up_all(&ap->eh_wait_q);
 
         spin_unlock_irqrestore(ap_lock, flags);
@@ -360,7 +360,7 @@ void ata_port_wait_eh(struct ata_port *ap)
  retry:
         spin_lock_irqsave(ap->lock, flags);
 
-        while (ap->flags & (ATA_FLAG_EH_PENDING | ATA_FLAG_EH_IN_PROGRESS)) {
+        while (ap->pflags & (ATA_PFLAG_EH_PENDING | ATA_PFLAG_EH_IN_PROGRESS)) {
                 prepare_to_wait(&ap->eh_wait_q, &wait, TASK_UNINTERRUPTIBLE);
                 spin_unlock_irqrestore(ap->lock, flags);
                 schedule();
@@ -489,7 +489,7 @@ void ata_qc_schedule_eh(struct ata_queued_cmd *qc)
         WARN_ON(!ap->ops->error_handler);
 
         qc->flags |= ATA_QCFLAG_FAILED;
-        qc->ap->flags |= ATA_FLAG_EH_PENDING;
+        qc->ap->pflags |= ATA_PFLAG_EH_PENDING;
 
         /* The following will fail if timeout has already expired.
          * ata_scsi_error() takes care of such scmds on EH entry.
@@ -513,7 +513,7 @@ void ata_port_schedule_eh(struct ata_port *ap)
 {
         WARN_ON(!ap->ops->error_handler);
 
-        ap->flags |= ATA_FLAG_EH_PENDING;
+        ap->pflags |= ATA_PFLAG_EH_PENDING;
         scsi_schedule_eh(ap->host);
 
         DPRINTK("port EH scheduled\n");
@@ -578,7 +578,7 @@ static void __ata_port_freeze(struct ata_port *ap)
         if (ap->ops->freeze)
                 ap->ops->freeze(ap);
 
-        ap->flags |= ATA_FLAG_FROZEN;
+        ap->pflags |= ATA_PFLAG_FROZEN;
 
         DPRINTK("ata%u port frozen\n", ap->id);
 }
@@ -646,7 +646,7 @@ void ata_eh_thaw_port(struct ata_port *ap)
 
         spin_lock_irqsave(ap->lock, flags);
 
-        ap->flags &= ~ATA_FLAG_FROZEN;
+        ap->pflags &= ~ATA_PFLAG_FROZEN;
 
         if (ap->ops->thaw)
                 ap->ops->thaw(ap);
@@ -731,7 +731,7 @@ static void ata_eh_detach_dev(struct ata_device *dev)
 
         if (ata_scsi_offline_dev(dev)) {
                 dev->flags |= ATA_DFLAG_DETACHED;
-                ap->flags |= ATA_FLAG_SCSI_HOTPLUG;
+                ap->pflags |= ATA_PFLAG_SCSI_HOTPLUG;
         }
 
         /* clear per-dev EH actions */
@@ -761,7 +761,7 @@ static void ata_eh_about_to_do(struct ata_port *ap, struct ata_device *dev,
 
         spin_lock_irqsave(ap->lock, flags);
         ata_eh_clear_action(dev, &ap->eh_info, action);
-        ap->flags |= ATA_FLAG_RECOVERED;
+        ap->pflags |= ATA_PFLAG_RECOVERED;
         spin_unlock_irqrestore(ap->lock, flags);
 }
 
@@ -1027,7 +1027,7 @@ static void ata_eh_analyze_ncq_error(struct ata_port *ap)
         int tag, rc;
 
         /* if frozen, we can't do much */
-        if (ap->flags & ATA_FLAG_FROZEN)
+        if (ap->pflags & ATA_PFLAG_FROZEN)
                 return;
 
         /* is it NCQ device error? */
@@ -1327,7 +1327,7 @@ static void ata_eh_autopsy(struct ata_port *ap)
         }
 
         /* enforce default EH actions */
-        if (ap->flags & ATA_FLAG_FROZEN ||
+        if (ap->pflags & ATA_PFLAG_FROZEN ||
             all_err_mask & (AC_ERR_HSM | AC_ERR_TIMEOUT))
                 action |= ATA_EH_SOFTRESET;
         else if (all_err_mask)
@@ -1385,7 +1385,7 @@ static void ata_eh_report(struct ata_port *ap)
                 return;
 
         frozen = "";
-        if (ap->flags & ATA_FLAG_FROZEN)
+        if (ap->pflags & ATA_PFLAG_FROZEN)
                 frozen = " frozen";
 
         if (ehc->i.dev) {
@@ -1465,7 +1465,7 @@ static int ata_eh_reset(struct ata_port *ap, int classify,
         struct ata_eh_context *ehc = &ap->eh_context;
         unsigned int *classes = ehc->classes;
         int tries = ATA_EH_RESET_TRIES;
-        int verbose = !(ap->flags & ATA_FLAG_LOADING);
+        int verbose = !(ap->pflags & ATA_PFLAG_LOADING);
         unsigned int action;
         ata_reset_fn_t reset;
         int i, did_followup_srst, rc;
@@ -1636,7 +1636,7 @@ static int ata_eh_revalidate_and_attach(struct ata_port *ap,
                         }
 
                         spin_lock_irqsave(ap->lock, flags);
-                        ap->flags |= ATA_FLAG_SCSI_HOTPLUG;
+                        ap->pflags |= ATA_PFLAG_SCSI_HOTPLUG;
                         spin_unlock_irqrestore(ap->lock, flags);
                 }
         }
@@ -1673,7 +1673,7 @@ static int ata_eh_skip_recovery(struct ata_port *ap)
         struct ata_eh_context *ehc = &ap->eh_context;
         int i;
 
-        if (ap->flags & ATA_FLAG_FROZEN || ata_port_nr_enabled(ap))
+        if (ap->pflags & ATA_PFLAG_FROZEN || ata_port_nr_enabled(ap))
                 return 0;
 
         /* skip if class codes for all vacant slots are ATA_DEV_NONE */
@@ -1744,7 +1744,7 @@ static int ata_eh_recover(struct ata_port *ap, ata_prereset_fn_t prereset,
         rc = 0;
 
         /* if UNLOADING, finish immediately */
-        if (ap->flags & ATA_FLAG_UNLOADING)
+        if (ap->pflags & ATA_PFLAG_UNLOADING)
                 goto out;
 
         /* skip EH if possible. */
@@ -1908,7 +1908,7 @@ void ata_do_eh(struct ata_port *ap, ata_prereset_fn_t prereset,
                ata_reset_fn_t softreset, ata_reset_fn_t hardreset,
                ata_postreset_fn_t postreset)
 {
-        if (!(ap->flags & ATA_FLAG_LOADING)) {
+        if (!(ap->pflags & ATA_PFLAG_LOADING)) {
                 ata_eh_autopsy(ap);
                 ata_eh_report(ap);
         }