From: Xiang Chen <chenxiang66@xxxxxxxxxxxxx>
Add a flag SAS_HA_RESUMING and use it to indicate the process of resuming
sas_ha.
Signed-off-by: Xiang Chen <chenxiang66@xxxxxxxxxxxxx>
Reviewed-by: John Garry <john.garry@xxxxxxxxxx>
---
drivers/scsi/libsas/sas_init.c | 2 ++
include/scsi/libsas.h | 1 +
2 files changed, 3 insertions(+)
diff --git a/drivers/scsi/libsas/sas_init.c b/drivers/scsi/libsas/sas_init.c
index 974c4a305ece..069e40fc8411 100644
--- a/drivers/scsi/libsas/sas_init.c
+++ b/drivers/scsi/libsas/sas_init.c
@@ -362,6 +362,7 @@ void sas_prep_resume_ha(struct sas_ha_struct *ha)
int i;
set_bit(SAS_HA_REGISTERED, &ha->state);
+ set_bit(SAS_HA_RESUMING, &ha->state);
/* clear out any stale link events/data from the suspension path */
for (i = 0; i < ha->num_phys; i++) {
@@ -443,6 +444,7 @@ static void _sas_resume_ha(struct sas_ha_struct *ha, bool drain)
scsi_unblock_requests(ha->core.shost);
if (drain)
sas_drain_work(ha);
+ clear_bit(SAS_HA_RESUMING, &ha->state);
/* send event PORTE_BROADCAST_RCVD to identify some new inserted
* disks for expander
diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h
index a795a2d9e5b1..698f2032807b 100644
--- a/include/scsi/libsas.h
+++ b/include/scsi/libsas.h
@@ -356,6 +356,7 @@ enum sas_ha_state {
SAS_HA_DRAINING,
SAS_HA_ATA_EH_ACTIVE,
SAS_HA_FROZEN,
+ SAS_HA_RESUMING,
};
struct sas_ha_struct {
--
2.33.0
