[SCSI] megaraid_sas: call cmd completion from reset

Driver will call cmd completion routine from Reset path without waiting for cmd completion from isr context.

Signed-off-by: Bo Yang <bo.yang@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/scsi/megaraid/megaraid_sas.h b/drivers/scsi/megaraid/megaraid_sas.h
index 9739023a222c..c3575a304c6a 100644
--- a/drivers/scsi/megaraid/megaraid_sas.h
+++ b/drivers/scsi/megaraid/megaraid_sas.h
@@ -1084,6 +1084,8 @@ struct megasas_instance {
         struct megasas_cmd **cmd_list;
         struct list_head cmd_pool;
         spinlock_t cmd_pool_lock;
+        /* used to synch producer, consumer ptrs in dpc */
+        spinlock_t completion_lock;
         struct dma_pool *frame_dma_pool;
         struct dma_pool *sense_dma_pool;