xen/blkback: remove unused pers_gnts_lock from struct xen_blkif_ring

pers_gnts_lock isn't being used anywhere. Remove it.

Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Roger Pau Monné <roger.pau@citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
This commit is contained in:
Juergen Gross 2018-08-13 16:01:14 +02:00 committed by Konrad Rzeszutek Wilk
parent d77ff24e7f
commit 6f2f39ad1a
1 changed files with 0 additions and 1 deletions

View File

@ -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;