Commit 4ea775ab authored by Xiang Chen's avatar Xiang Chen Committed by Martin K. Petersen
Browse files

scsi: libsas: Add flag SAS_HA_RESUMING 

Add a flag SAS_HA_RESUMING and use it to indicate the state of resuming the
host controller.

Link: https://lore.kernel.org/r/1639999298-244569-11-git-send-email-chenxiang66@hisilicon.com


Reviewed-by: default avatarJohn Garry <john.garry@huawei.com>
Signed-off-by: default avatarXiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent 0da7ca4c

drivers/scsi/libsas/sas_init.c

+2 −0
Original line number Diff line number Diff line
@@ -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

include/scsi/libsas.h

+1 −0
Original line number Diff line number Diff line
@@ -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 {