LU-3469 osp: osp_sync() to flush pending changes synchronously

[fs/lustre-release.git] / lustre / osp / osp_internal.h

diff --git a/lustre/osp/osp_internal.h b/lustre/osp/osp_internal.h
index f183955..2f08aaa 100644 (file)
--- a/lustre/osp/osp_internal.h
+++ b/lustre/osp/osp_internal.h
@@ -174,6 +174,9 @@ struct osp_device {
        unsigned long                    opd_syn_last_processed_id;
        struct osp_id_tracker           *opd_syn_tracker;
        struct list_head                 opd_syn_ontrack;
+       /* stop processing new requests until barrier=0 */
+       atomic_t                         opd_syn_barrier;
+       wait_queue_head_t                opd_syn_barrier_waitq;
 
        /*
         * statfs related fields: OSP maintains it on its own