LU-5823 clio: add coo_obd_info_get and coo_data_version

[fs/lustre-release.git] / lustre / obdclass / cl_object.c

diff --git a/lustre/obdclass/cl_object.c b/lustre/obdclass/cl_object.c
index eb23c9b..b003952 100644 (file)
--- a/lustre/obdclass/cl_object.c
+++ b/lustre/obdclass/cl_object.c
@@ -91,7 +91,6 @@ void cl_object_header_fini(struct cl_object_header *h)
 {
         lu_object_header_fini(&h->coh_lu);
 }
-EXPORT_SYMBOL(cl_object_header_fini);
 
 /**
  * Returns a cl_object with a given \a fid.
@@ -203,7 +202,7 @@ EXPORT_SYMBOL(cl_object_attr_unlock);
  * for.
  */
 int cl_object_attr_get(const struct lu_env *env, struct cl_object *obj,
-                       struct cl_attr *attr)
+                       struct cl_attr *attr)
 {
        struct lu_object_header *top;
        int result;
@@ -211,19 +210,19 @@ int cl_object_attr_get(const struct lu_env *env, struct cl_object *obj,
        assert_spin_locked(cl_object_attr_guard(obj));
        ENTRY;
 
-        top = obj->co_lu.lo_header;
-        result = 0;
+       top = obj->co_lu.lo_header;
+       result = 0;
        list_for_each_entry(obj, &top->loh_layers, co_lu.lo_linkage) {
-                if (obj->co_ops->coo_attr_get != NULL) {
-                        result = obj->co_ops->coo_attr_get(env, obj, attr);
-                        if (result != 0) {
-                                if (result > 0)
-                                        result = 0;
-                                break;
-                        }
-                }
-        }
-        RETURN(result);
+               if (obj->co_ops->coo_attr_get != NULL) {
+                       result = obj->co_ops->coo_attr_get(env, obj, attr);
+                       if (result != 0) {
+                               if (result > 0)
+                                       result = 0;
+                               break;
+                       }
+               }
+       }
+       RETURN(result);
 }
 EXPORT_SYMBOL(cl_object_attr_get);
 
@@ -387,6 +386,80 @@ int cl_object_find_cbdata(const struct lu_env *env, struct cl_object *obj,
 EXPORT_SYMBOL(cl_object_find_cbdata);
 
 /**
+ * Get fiemap extents from file object.
+ *
+ * \param env [in]     lustre environment
+ * \param obj [in]     file object
+ * \param key [in]     fiemap request argument
+ * \param fiemap [out] fiemap extents mapping retrived
+ * \param buflen [in]  max buffer length of @fiemap
+ *
+ * \retval 0   success
+ * \retval < 0 error
+ */
+int cl_object_fiemap(const struct lu_env *env, struct cl_object *obj,
+                    struct ll_fiemap_info_key *key,
+                    struct fiemap *fiemap, size_t *buflen)
+{
+       struct lu_object_header *top;
+       int                     result = 0;
+       ENTRY;
+
+       top = obj->co_lu.lo_header;
+       list_for_each_entry(obj, &top->loh_layers, co_lu.lo_linkage) {
+               if (obj->co_ops->coo_fiemap != NULL) {
+                       result = obj->co_ops->coo_fiemap(env, obj, key, fiemap,
+                                                        buflen);
+                       if (result != 0)
+                               break;
+               }
+       }
+       RETURN(result);
+}
+EXPORT_SYMBOL(cl_object_fiemap);
+
+int cl_object_obd_info_get(const struct lu_env *env, struct cl_object *obj,
+                          struct obd_info *oinfo,
+                          struct ptlrpc_request_set *set)
+{
+       struct lu_object_header *top;
+       int                     result = 0;
+       ENTRY;
+
+       top = obj->co_lu.lo_header;
+       list_for_each_entry(obj, &top->loh_layers, co_lu.lo_linkage) {
+               if (obj->co_ops->coo_obd_info_get != NULL) {
+                       result = obj->co_ops->coo_obd_info_get(env, obj, oinfo,
+                                                              set);
+                       if (result != 0)
+                               break;
+               }
+       }
+       RETURN(result);
+}
+EXPORT_SYMBOL(cl_object_obd_info_get);
+
+int cl_object_data_version(const struct lu_env *env, struct cl_object *obj,
+                          __u64 *data_version, int flags)
+{
+       struct lu_object_header *top;
+       int                     result = 0;
+       ENTRY;
+
+       top = obj->co_lu.lo_header;
+       list_for_each_entry(obj, &top->loh_layers, co_lu.lo_linkage) {
+               if (obj->co_ops->coo_data_version != NULL) {
+                       result = obj->co_ops->coo_data_version(env, obj,
+                                                       data_version, flags);
+                       if (result != 0)
+                               break;
+               }
+       }
+       RETURN(result);
+}
+EXPORT_SYMBOL(cl_object_data_version);
+
+/**
  * Helper function removing all object locks, and marking object for
  * deletion. All object pages must have been deleted at this point.
  *
@@ -850,7 +923,6 @@ struct lu_env *cl_env_peek(int *refcheck)
         CDEBUG(D_OTHER, "%d@%p\n", cle ? cle->ce_ref : 0, cle);
         return env;
 }
-EXPORT_SYMBOL(cl_env_peek);
 
 /**
  * Returns lu_env: if there already is an environment associated with the
@@ -1085,7 +1157,6 @@ void cl_attr2lvb(struct ost_lvb *lvb, const struct cl_attr *attr)
         lvb->lvb_blocks = attr->cat_blocks;
         EXIT;
 }
-EXPORT_SYMBOL(cl_attr2lvb);
 
 /**
  * Converts struct ost_lvb to struct cl_attr.