pers_gnts_lock isn't being used anywhere. Remove it.
Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
Reviewed-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
---
drivers/block/xen-blkback/common.h | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/block/xen-blkback/common.h b/drivers/block/xen-blkback/common.h
index 2339b8d39c5e..1d3002d773f7 100644
--- a/drivers/block/xen-blkback/common.h
+++ b/drivers/block/xen-blkback/common.h
@@ -269,7 +269,6 @@ struct xen_blkif_ring {
wait_queue_head_t pending_free_wq;
/* Tree to store persistent grants. */
- spinlock_t pers_gnts_lock;
struct rb_root persistent_gnts;
unsigned int persistent_gnt_c;
atomic_t persistent_gnt_in_use;
--
2.13.7
