LU-6271 osc: handle osc eviction correctly

[fs/lustre-release.git] / lustre / osc / osc_cl_internal.h

diff --git a/lustre/osc/osc_cl_internal.h b/lustre/osc/osc_cl_internal.h
index 41edbbe..65658f6 100644 (file)
--- a/lustre/osc/osc_cl_internal.h
+++ b/lustre/osc/osc_cl_internal.h
@@ -172,6 +172,10 @@ struct osc_object {
        /* Protect osc_lock this osc_object has */
        spinlock_t              oo_ol_spin;
        struct list_head        oo_ol_list;
+
+       /** number of active IOs of this object */
+       atomic_t                oo_nr_ios;
+       wait_queue_head_t       oo_io_waitq;
 };
 
 static inline void osc_object_lock(struct osc_object *obj)
@@ -420,10 +424,9 @@ int osc_flush_async_page(const struct lu_env *env, struct cl_io *io,
                         struct osc_page *ops);
 int osc_queue_sync_pages(const struct lu_env *env, struct osc_object *obj,
                         struct list_head *list, int cmd, int brw_flags);
-int osc_cache_truncate_start(const struct lu_env *env, struct osc_io *oio,
-                            struct osc_object *obj, __u64 size);
-void osc_cache_truncate_end(const struct lu_env *env, struct osc_io *oio,
-                           struct osc_object *obj);
+int osc_cache_truncate_start(const struct lu_env *env, struct osc_object *obj,
+                            __u64 size, struct osc_extent **extp);
+void osc_cache_truncate_end(const struct lu_env *env, struct osc_extent *ext);
 int osc_cache_writeback_range(const struct lu_env *env, struct osc_object *obj,
                              pgoff_t start, pgoff_t end, int hp, int discard);
 int osc_cache_wait_range(const struct lu_env *env, struct osc_object *obj,