[PATCH v3 5/5] xen/blkback: remove unused pers_gnts_lock from struct xen_blkif_ring

[Juergen Gross]

pers_gnts_lock isn't being used anywhere. Remove it.

Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
Reviewed-by: Roger Pau Monnà <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