diff options
| author | Jitendra Bhivare <jitendra.bhivare@broadcom.com> | 2016-02-04 11:19:20 +0100 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2016-02-24 03:27:02 +0100 |
| commit | f64d92e66520aa784d1428bb9a4f6a2bcbdbbe32 (patch) | |
| tree | 4e0774a8cef25b1f6c9ef3744be6926abeffbc8d /drivers/scsi/be2iscsi/be_main.h | |
| parent | be2iscsi: _bh for io_sgl_lock and mgmt_sgl_lock (diff) | |
| download | linux-f64d92e66520aa784d1428bb9a4f6a2bcbdbbe32.tar.xz linux-f64d92e66520aa784d1428bb9a4f6a2bcbdbbe32.zip | |
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 <jitendra.bhivare@broadcom.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/be2iscsi/be_main.h')
| -rw-r--r-- | drivers/scsi/be2iscsi/be_main.h | 1 |
1 files changed, 1 insertions, 0 deletions
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; |