From f64d92e66520aa784d1428bb9a4f6a2bcbdbbe32 Mon Sep 17 00:00:00 2001 From: Jitendra Bhivare Date: Thu, 4 Feb 2016 15:49:20 +0530 Subject: be2iscsi: Add lock to protect WRB alloc and free FW got into UE after running IO stress test With kernel change to split session lock in frwd_lock and back_lock for tx and rx path correspondingly, in the IO path, common resource used in driver such as WRB was left unprotected. Add wrb_lock spinlock to protect allocation and freeing of WRB. Signed-off-by: Jitendra Bhivare Reviewed-by: Johannes Thumshirn Signed-off-by: Martin K. Petersen --- drivers/scsi/be2iscsi/be_main.h | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/scsi/be2iscsi/be_main.h') diff --git a/drivers/scsi/be2iscsi/be_main.h b/drivers/scsi/be2iscsi/be_main.h index 5ded3fabc942..30a4606d9a3b 100644 --- a/drivers/scsi/be2iscsi/be_main.h +++ b/drivers/scsi/be2iscsi/be_main.h @@ -304,6 +304,7 @@ struct invalidate_command_table { #define BEISCSI_GET_ULP_FROM_CRI(phwi_ctrlr, cri) \ (phwi_ctrlr->wrb_context[cri].ulp_num) struct hwi_wrb_context { + spinlock_t wrb_lock; struct list_head wrb_handle_list; struct list_head wrb_handle_drvr_list; struct wrb_handle **pwrb_handle_base; -- cgit