LU-82 Remove useless clio locks

[fs/lustre-release.git] / lustre / lvfs / fsfilt.c

diff --git a/lustre/lvfs/fsfilt.c b/lustre/lvfs/fsfilt.c
index f063fd4..183b8ce 100644 (file)
--- a/lustre/lvfs/fsfilt.c
+++ b/lustre/lvfs/fsfilt.c
@@ -1,3 +1,39 @@
+/* -*- 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.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
+ *
+ * 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.
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
+ */
+
 #ifndef EXPORT_SYMTAB
 # define EXPORT_SYMTAB
 #endif
@@ -8,7 +44,7 @@
 #include <linux/module.h>
 #include <linux/kmod.h>
 #include <linux/slab.h>
-#include <libcfs/kp30.h>
+#include <libcfs/libcfs.h>
 #include <lustre_fsfilt.h>
 
 CFS_LIST_HEAD(fsfilt_types);
@@ -16,10 +52,10 @@ CFS_LIST_HEAD(fsfilt_types);
 static struct fsfilt_operations *fsfilt_search_type(const char *type)
 {
         struct fsfilt_operations *found;
-        struct list_head *p;
+        cfs_list_t *p;
 
-        list_for_each(p, &fsfilt_types) {
-                found = list_entry(p, struct fsfilt_operations, fs_list);
+        cfs_list_for_each(p, &fsfilt_types) {
+                found = cfs_list_entry(p, struct fsfilt_operations, fs_list);
                 if (!strcmp(found->fs_type, type)) {
                         return found;
                 }
@@ -41,7 +77,7 @@ int fsfilt_register_ops(struct fsfilt_operations *fs_ops)
                 }
         } else {
                 PORTAL_MODULE_USE;
-                list_add(&fs_ops->fs_list, &fsfilt_types);
+                cfs_list_add(&fs_ops->fs_list, &fsfilt_types);
         }
 
         /* unlock fsfilt_types list */
@@ -50,15 +86,15 @@ int fsfilt_register_ops(struct fsfilt_operations *fs_ops)
 
 void fsfilt_unregister_ops(struct fsfilt_operations *fs_ops)
 {
-        struct list_head *p;
+        cfs_list_t *p;
 
         /* lock fsfilt_types list */
-        list_for_each(p, &fsfilt_types) {
+        cfs_list_for_each(p, &fsfilt_types) {
                 struct fsfilt_operations *found;
 
-                found = list_entry(p, typeof(*found), fs_list);
+                found = cfs_list_entry(p, typeof(*found), fs_list);
                 if (found == fs_ops) {
-                        list_del(p);
+                        cfs_list_del(p);
                         PORTAL_MODULE_UNUSE;
                         break;
                 }
@@ -78,7 +114,7 @@ struct fsfilt_operations *fsfilt_get_ops(const char *type)
                 snprintf(name, sizeof(name) - 1, "fsfilt_%s", type);
                 name[sizeof(name) - 1] = '\0';
 
-                if (!(rc = request_module(name))) {
+                if (!(rc = cfs_request_module("%s", name))) {
                         fs_ops = fsfilt_search_type(type);
                         CDEBUG(D_INFO, "Loaded module '%s'\n", name);
                         if (!fs_ops)
@@ -91,7 +127,7 @@ struct fsfilt_operations *fsfilt_get_ops(const char *type)
                         /* unlock fsfilt_types list */
                 }
         }
-        try_module_get(fs_ops->fs_owner);
+        cfs_try_module_get(fs_ops->fs_owner);
         /* unlock fsfilt_types list */
 
         return fs_ops;
@@ -99,7 +135,7 @@ struct fsfilt_operations *fsfilt_get_ops(const char *type)
 
 void fsfilt_put_ops(struct fsfilt_operations *fs_ops)
 {
-        module_put(fs_ops->fs_owner);
+        cfs_module_put(fs_ops->fs_owner);
 }