LU-10048 osd: async truncate

[fs/lustre-release.git] / lustre / osd-ldiskfs / osd_internal.h

diff --git a/lustre/osd-ldiskfs/osd_internal.h b/lustre/osd-ldiskfs/osd_internal.h
index 4b2ca6a..3ea8ccf 100644 (file)
--- a/lustre/osd-ldiskfs/osd_internal.h
+++ b/lustre/osd-ldiskfs/osd_internal.h
@@ -358,6 +358,13 @@ enum osd_op_type {
        OSD_OT_MAX              = 11
 };
 
+struct osd_access_lock {
+       struct list_head         tl_list;
+       struct osd_object       *tl_obj;
+       bool                     tl_shared;
+       bool                     tl_truncate;
+};
+
 struct osd_thandle {
         struct thandle          ot_super;
         handle_t               *ot_handle;
@@ -379,6 +386,7 @@ struct osd_thandle {
         /** time when this thanle was started */
        ktime_t oth_started;
 #endif
+       struct list_head        ot_trunc_locks;
 };
 
 /**
@@ -1397,4 +1405,10 @@ osd_index_backup(const struct lu_env *env, struct osd_device *osd, bool backup)
 
 #endif
 
+int osd_trunc_lock(struct osd_object *obj, struct osd_thandle *oh,
+                  bool shared);
+void osd_trunc_unlock_all(struct list_head *list);
+void osd_process_truncates(struct list_head *list);
+void osd_execute_truncate(struct osd_object *obj);
+
 #endif /* _OSD_INTERNAL_H */