[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>
diff --git a/drivers/scsi/libata-eh.c b/drivers/scsi/libata-eh.c
index bf5a72a..f2f29a8 100644
--- a/drivers/scsi/libata-eh.c
+++ b/drivers/scsi/libata-eh.c
@@ -270,13 +270,13 @@
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 @@
*/
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 @@
/* 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 @@
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 @@
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 @@
{
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 @@
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 @@
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 @@
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 @@
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 @@
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 @@
}
/* 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 @@
return;
frozen = "";
- if (ap->flags & ATA_FLAG_FROZEN)
+ if (ap->pflags & ATA_PFLAG_FROZEN)
frozen = " frozen";
if (ehc->i.dev) {
@@ -1465,7 +1465,7 @@
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 @@
}
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 @@
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 @@
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 @@
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);
}