LU-1305 osd: body operations for osd-zfs

[fs/lustre-release.git] / lustre / include / lu_object.h

diff --git a/lustre/include/lu_object.h b/lustre/include/lu_object.h
index f431e0b..4d93160 100644 (file)
--- a/lustre/include/lu_object.h
+++ b/lustre/include/lu_object.h
@@ -1,6 +1,4 @@
-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
  * GPL HEADER START
  *
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
@@ -28,9 +26,8 @@
 /*
  * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
- */
-/*
- * Copyright (c) 2011 Whamcloud, Inc.
+ *
+ * Copyright (c) 2011, 2012, Whamcloud, Inc.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
@@ -175,8 +172,9 @@ struct lu_device_operations {
  * For lu_object_conf flags
  */
 typedef enum {
-        /* Currently, only used for client-side object initialization. */
-        LOC_F_NEW = 0x1,
+       /* This is a new object to be allocated, or the file
+        * corresponding to the object does not exists. */
+       LOC_F_NEW       = 0x00000001,
 } loc_flags_t;
 
 /**
@@ -778,40 +776,23 @@ lu_object_ops(const struct lu_object *o)
 struct lu_object *lu_object_locate(struct lu_object_header *h,
                                    const struct lu_device_type *dtype);
 
-struct lu_cdebug_print_info {
-        int         lpi_subsys;
-        int         lpi_mask;
-        const char *lpi_file;
-        const char *lpi_fn;
-        int         lpi_line;
-};
-
 /**
  * Printer function emitting messages through libcfs_debug_msg().
  */
 int lu_cdebug_printer(const struct lu_env *env,
                       void *cookie, const char *format, ...);
 
-#define DECLARE_LU_CDEBUG_PRINT_INFO(var, mask) \
-        struct lu_cdebug_print_info var = {     \
-                .lpi_subsys = DEBUG_SUBSYSTEM,  \
-                .lpi_mask   = (mask),           \
-                .lpi_file   = __FILE__,         \
-                .lpi_fn     = __FUNCTION__,     \
-                .lpi_line   = __LINE__          \
-        }
-
 /**
  * Print object description followed by a user-supplied message.
  */
-#define LU_OBJECT_DEBUG(mask, env, object, format, ...)                 \
-do {                                                                    \
-        static DECLARE_LU_CDEBUG_PRINT_INFO(__info, mask);              \
-                                                                        \
-        if (cfs_cdebug_show(mask, DEBUG_SUBSYSTEM)) {                   \
-                lu_object_print(env, &__info, lu_cdebug_printer, object); \
-                CDEBUG(mask, format , ## __VA_ARGS__);                  \
-        }                                                               \
+#define LU_OBJECT_DEBUG(mask, env, object, format, ...)                   \
+do {                                                                      \
+        LIBCFS_DEBUG_MSG_DATA_DECL(msgdata, mask, NULL);                  \
+                                                                          \
+        if (cfs_cdebug_show(mask, DEBUG_SUBSYSTEM)) {                     \
+                lu_object_print(env, &msgdata, lu_cdebug_printer, object);\
+                CDEBUG(mask, format , ## __VA_ARGS__);                    \
+        }                                                                 \
 } while (0)
 
 /**
@@ -819,12 +800,12 @@ do {                                                                    \
  */
 #define LU_OBJECT_HEADER(mask, env, object, format, ...)                \
 do {                                                                    \
-        static DECLARE_LU_CDEBUG_PRINT_INFO(__info, mask);              \
+        LIBCFS_DEBUG_MSG_DATA_DECL(msgdata, mask, NULL);                \
                                                                         \
         if (cfs_cdebug_show(mask, DEBUG_SUBSYSTEM)) {                   \
-                lu_object_header_print(env, &__info, lu_cdebug_printer, \
+                lu_object_header_print(env, &msgdata, lu_cdebug_printer,\
                                        (object)->lo_header);            \
-                lu_cdebug_printer(env, &__info, "\n");                  \
+                lu_cdebug_printer(env, &msgdata, "\n");                 \
                 CDEBUG(mask, format , ## __VA_ARGS__);                  \
         }                                                               \
 } while (0)
@@ -1017,7 +998,18 @@ enum lu_context_tag {
          * a client.
          */
         LCT_SESSION   = 1 << 4,
-
+        /**
+         * A per-request data on OSP device
+         */
+        LCT_OSP_THREAD = 1 << 5,
+        /**
+         * MGS device thread
+         */
+        LCT_MG_THREAD = 1 << 6,
+        /**
+         * Context for local operations
+         */
+        LCT_LOCAL = 1 << 7,
         /**
          * Set when at least one of keys, having values in this context has
          * non-NULL lu_context_key::lct_exit() method. This is used to
@@ -1247,6 +1239,14 @@ void lu_context_key_degister_many(struct lu_context_key *k, ...);
 void lu_context_key_revive_many  (struct lu_context_key *k, ...);
 void lu_context_key_quiesce_many (struct lu_context_key *k, ...);
 
+/*
+ * update/clear ctx/ses tags.
+ */
+void lu_context_tags_update(__u32 tags);
+void lu_context_tags_clear(__u32 tags);
+void lu_session_tags_update(__u32 tags);
+void lu_session_tags_clear(__u32 tags);
+
 /**
  * Environment.
  */
@@ -1264,6 +1264,7 @@ struct lu_env {
 int  lu_env_init  (struct lu_env *env, __u32 tags);
 void lu_env_fini  (struct lu_env *env);
 int  lu_env_refill(struct lu_env *env);
+int  lu_env_refill_by_tags(struct lu_env *env, __u32 ctags, __u32 stags);
 
 /** @} lu_context */