From: Xiang Chen chenxiang66@hisilicon.com
Add a flag SAS_HA_RESUMING and use it to indicate the process of resuming sas_ha.
Signed-off-by: Xiang Chen chenxiang66@hisilicon.com Reviewed-by: John Garry john.garry@huawei.com --- drivers/scsi/libsas/sas_init.c | 3 +++ include/scsi/libsas.h | 1 + 2 files changed, 4 insertions(+)
diff --git a/drivers/scsi/libsas/sas_init.c b/drivers/scsi/libsas/sas_init.c index 974c4a305ece..f7c56677da3e 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 +444,8 @@ 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 {