X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Flov%2Flovsub_object.c;h=752a42279b0f4b684423caf2c196f5611826376f;hb=f44fe5abbc74ca79790c100a30193ded1ef1e6c9;hp=536039d5e6d7a961ef61c7c80ffa60dd840c4123;hpb=3bffa4d32bc5b0bc71ba6873e262ddbca436bae1;p=fs%2Flustre-release.git

diff --git a/lustre/lov/lovsub_object.c b/lustre/lov/lovsub_object.c
index 536039d..752a422 100644
--- a/lustre/lov/lovsub_object.c
+++ b/lustre/lov/lovsub_object.c
@@ -15,11 +15,7 @@
  *
  * You should have received a copy of the GNU General Public License
  * version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
+ * http://www.gnu.org/licenses/gpl-2.0.html
  *
  * GPL HEADER END
  */
@@ -27,7 +23,7 @@
  * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
  *
- * Copyright (c) 2012, Intel Corporation.
+ * Copyright (c) 2012, 2015, Intel Corporation.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
@@ -105,14 +101,14 @@ static int lovsub_object_print(const struct lu_env *env, void *cookie,
         return (*p)(env, cookie, "[%d]", los->lso_index);
 }
 
-static int lovsub_attr_set(const struct lu_env *env, struct cl_object *obj,
-                           const struct cl_attr *attr, unsigned valid)
+static int lovsub_attr_update(const struct lu_env *env, struct cl_object *obj,
+			      const struct cl_attr *attr, unsigned valid)
 {
-        struct lov_object *lov = cl2lovsub(obj)->lso_super;
+	struct lov_object *lov = cl2lovsub(obj)->lso_super;
 
-        ENTRY;
-        lov_r0(lov)->lo_attr_valid = 0;
-        RETURN(0);
+	ENTRY;
+	lov_r0(lov)->lo_attr_valid = 0;
+	RETURN(0);
 }
 
 static int lovsub_object_glimpse(const struct lu_env *env,
@@ -125,13 +121,33 @@ static int lovsub_object_glimpse(const struct lu_env *env,
         RETURN(cl_object_glimpse(env, &los->lso_super->lo_cl, lvb));
 }
 
+/**
+ * Implementation of struct cl_object_operations::coo_req_attr_set() for lovsub
+ * layer. Lov and lovsub are responsible only for struct obdo::o_stripe_idx
+ * field, which is filled there.
+ */
+static void lovsub_req_attr_set(const struct lu_env *env, struct cl_object *obj,
+				struct cl_req_attr *attr)
+{
+	struct lovsub_object *subobj = cl2lovsub(obj);
 
+	ENTRY;
+	cl_req_attr_set(env, &subobj->lso_super->lo_cl, attr);
+
+	/*
+	 * There is no OBD_MD_* flag for obdo::o_stripe_idx, so set it
+	 * unconditionally. It never changes anyway.
+	 */
+	attr->cra_oa->o_stripe_idx = subobj->lso_index;
+	EXIT;
+}
 
 static const struct cl_object_operations lovsub_ops = {
-        .coo_page_init = lovsub_page_init,
-        .coo_lock_init = lovsub_lock_init,
-        .coo_attr_set  = lovsub_attr_set,
-        .coo_glimpse   = lovsub_object_glimpse
+	.coo_page_init    = lovsub_page_init,
+	.coo_lock_init    = lovsub_lock_init,
+	.coo_attr_update  = lovsub_attr_update,
+	.coo_glimpse      = lovsub_object_glimpse,
+	.coo_req_attr_set = lovsub_req_attr_set
 };
 
 static const struct lu_object_operations lovsub_lu_obj_ops = {
@@ -144,27 +160,27 @@ static const struct lu_object_operations lovsub_lu_obj_ops = {
 };
 
 struct lu_object *lovsub_object_alloc(const struct lu_env *env,
-                                      const struct lu_object_header *unused,
-                                      struct lu_device *dev)
+				      const struct lu_object_header *unused,
+				      struct lu_device *dev)
 {
-        struct lovsub_object *los;
-        struct lu_object     *obj;
-
-        ENTRY;
-        OBD_SLAB_ALLOC_PTR_GFP(los, lovsub_object_kmem, CFS_ALLOC_IO);
-        if (los != NULL) {
-                struct cl_object_header *hdr;
-
-                obj = lovsub2lu(los);
-                hdr = &los->lso_header;
-                cl_object_header_init(hdr);
-                lu_object_init(obj, &hdr->coh_lu, dev);
-                lu_object_add_top(&hdr->coh_lu, obj);
-                los->lso_cl.co_ops = &lovsub_ops;
-                obj->lo_ops = &lovsub_lu_obj_ops;
-        } else
-                obj = NULL;
-        RETURN(obj);
+	struct lovsub_object *los;
+	struct lu_object     *obj;
+
+	ENTRY;
+	OBD_SLAB_ALLOC_PTR_GFP(los, lovsub_object_kmem, GFP_NOFS);
+	if (los != NULL) {
+		struct cl_object_header *hdr;
+
+		obj = lovsub2lu(los);
+		hdr = &los->lso_header;
+		cl_object_header_init(hdr);
+		lu_object_init(obj, &hdr->coh_lu, dev);
+		lu_object_add_top(&hdr->coh_lu, obj);
+		los->lso_cl.co_ops = &lovsub_ops;
+		obj->lo_ops = &lovsub_lu_obj_ops;
+	} else
+		obj = NULL;
+	RETURN(obj);
 }
 
 /** @} lov */