[SCSI] megaraid_sas: switch fw_outstanding to an atomic_t
This patch( originally submitted by Christoph Hellwig) removes
instance_lock and changes fw_outstanding variable data type to
atomic_t.
Signed-off-by: Sumant Patro <Sumant.Patro@lsil.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
diff --git a/drivers/scsi/megaraid/megaraid_sas.h b/drivers/scsi/megaraid/megaraid_sas.h
index 89639f0..927d6ff 100644
--- a/drivers/scsi/megaraid/megaraid_sas.h
+++ b/drivers/scsi/megaraid/megaraid_sas.h
@@ -1077,9 +1077,8 @@
struct pci_dev *pdev;
u32 unique_id;
- u32 fw_outstanding;
+ atomic_t fw_outstanding;
u32 hw_crit_error;
- spinlock_t instance_lock;
struct megasas_instance_template *instancet;
};