LU-3285 lov: add MDT target to the LOV device

[fs/lustre-release.git] / lustre / include / obd.h

diff --git a/lustre/include/obd.h b/lustre/include/obd.h
index 29a3cb9..ccd7fd9 100644 (file)
--- a/lustre/include/obd.h
+++ b/lustre/include/obd.h
@@ -372,6 +372,11 @@ struct lov_tgt_desc {
                             ltd_reap:1;  /* should this target be deleted */
 };
 
+struct lov_md_tgt_desc {
+       struct obd_device *lmtd_mdc;
+       __u32              lmtd_index;
+};
+
 struct lov_obd {
        struct lov_desc         desc;
        struct lov_tgt_desc   **lov_tgts;               /* sparse array */
@@ -394,10 +399,13 @@ struct lov_obd {
        struct cl_client_cache *lov_cache;
 
        struct rw_semaphore     lov_notify_lock;
+       /* Data-on-MDT: MDC array */
+       struct lov_md_tgt_desc  *lov_mdc_tgts;
 };
 
 struct lmv_tgt_desc {
        struct obd_uuid         ltd_uuid;
+       struct obd_device       *ltd_obd;
        struct obd_export       *ltd_exp;
        __u32                   ltd_idx;
        struct mutex            ltd_fid_mutex;