X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Finclude%2Flustre_mdc.h;h=be0eb7742e644d99b87f09e29bf8c760e491e446;hb=1736c1befd27e3dacb424269ad987fe5dd480827;hp=85f3f31af27d16f96ce69b56a0527d6bede93c3e;hpb=1f1d3a376d488d715dd1b0c94d5b66ea05c1e6ca;p=fs%2Flustre-release.git

diff --git a/lustre/include/lustre_mdc.h b/lustre/include/lustre_mdc.h
index 85f3f31..be0eb77 100644
--- a/lustre/include/lustre_mdc.h
+++ b/lustre/include/lustre_mdc.h
@@ -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
  */
@@ -28,7 +24,7 @@
  * Use is subject to license terms.
  */
 /*
- * Copyright (c) 2011, 2012, Intel Corporation.
+ * Copyright (c) 2011, 2014, Intel Corporation.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
@@ -53,8 +49,8 @@
 #ifdef CONFIG_FS_POSIX_ACL
 # include <linux/posix_acl_xattr.h>
 #endif /* CONFIG_FS_POSIX_ACL */
-#include <linux/lustre_intent.h>
 #include <lustre_handles.h>
+#include <lustre_intent.h>
 #include <libcfs/libcfs.h>
 #include <obd_class.h>
 #include <lustre/lustre_idl.h>
@@ -165,41 +161,64 @@ static inline void mdc_put_rpc_lock(struct mdc_rpc_lock *lck,
 	EXIT;
 }
 
-/* Update the maximum observed easize and cookiesize.  The default easize
- * and cookiesize is initialized to the minimum value but allowed to grow
- * up to a single page in size if required to handle the common case.
+static inline void mdc_get_mod_rpc_slot(struct ptlrpc_request *req,
+					struct lookup_intent *it)
+{
+	struct client_obd *cli = &req->rq_import->imp_obd->u.cli;
+	__u32 opc;
+	__u16 tag;
+
+	opc = lustre_msg_get_opc(req->rq_reqmsg);
+	tag = obd_get_mod_rpc_slot(cli, opc, it);
+	lustre_msg_set_tag(req->rq_reqmsg, tag);
+}
+
+static inline void mdc_put_mod_rpc_slot(struct ptlrpc_request *req,
+					struct lookup_intent *it)
+{
+	struct client_obd *cli = &req->rq_import->imp_obd->u.cli;
+	__u32 opc;
+	__u16 tag;
+
+	opc = lustre_msg_get_opc(req->rq_reqmsg);
+	tag = lustre_msg_get_tag(req->rq_reqmsg);
+	obd_put_mod_rpc_slot(cli, opc, it, tag);
+}
+
+
+/**
+ * Update the maximum possible easize.
+ *
+ * This value is learned from ptlrpc replies sent by the MDT.  The
+ * default easize is initialized to the minimum value but allowed to
+ * grow up to a single page in size if required to handle the common
+ * case.
+ *
+ * \see client_obd::cl_default_mds_easize
+ *
+ * \param[in] exp	export for MDC device
+ * \param[in] body	body of ptlrpc reply from MDT
+ *
  */
 static inline void mdc_update_max_ea_from_body(struct obd_export *exp,
 					       struct mdt_body *body)
 {
 	if (body->mbo_valid & OBD_MD_FLMODEASIZE) {
 		struct client_obd *cli = &exp->exp_obd->u.cli;
+		__u32 def_easize;
 
-		if (cli->cl_max_mds_easize < body->mbo_max_mdsize) {
+		if (cli->cl_max_mds_easize < body->mbo_max_mdsize)
 			cli->cl_max_mds_easize = body->mbo_max_mdsize;
-			cli->cl_default_mds_easize =
-				min_t(__u32, body->mbo_max_mdsize,
-				      PAGE_CACHE_SIZE);
-		}
-		if (cli->cl_max_mds_cookiesize < body->mbo_max_cookiesize) {
-			cli->cl_max_mds_cookiesize = body->mbo_max_cookiesize;
-			cli->cl_default_mds_cookiesize =
-			    min_t(__u32, body->mbo_max_cookiesize,
-				  PAGE_CACHE_SIZE);
-		}
+
+		def_easize = min_t(__u32, body->mbo_max_mdsize,
+				   OBD_MAX_DEFAULT_EA_SIZE);
+		cli->cl_default_mds_easize = def_easize;
 	}
 }
 
 
 /* mdc/mdc_locks.c */
-int it_disposition(const struct lookup_intent *it, int flag);
-void it_clear_disposition(struct lookup_intent *it, int flag);
-void it_set_disposition(struct lookup_intent *it, int flag);
 int it_open_error(int phase, struct lookup_intent *it);
-#ifdef HAVE_SPLIT_SUPPORT
-int mdc_sendpage(struct obd_export *exp, const struct lu_fid *fid,
-                 const struct page *page, int offset);
-#endif
 
 static inline bool cl_is_lov_delay_create(unsigned int flags)
 {