LU-4931 ladvise: Add feature of giving file access advices

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

diff --git a/lustre/include/lustre_eacl.h b/lustre/include/lustre_eacl.h
index dddfde5..a8c1dfe 100644 (file)
--- a/lustre/include/lustre_eacl.h
+++ b/lustre/include/lustre_eacl.h
@@ -1,7 +1,40 @@
-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
+/*
+ * GPL HEADER START
  *
- *   This file is part of Lustre, http://www.lustre.org
+ * 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) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
+ */
+/*
+ * Copyright (c) 2012, 2014, Intel Corporation.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
+ *
+ * lustre/lustre/include/lustre_idmap.h
  *
  * MDS data structures.
  * See also lustre_idl.h for wire formats of requests.
@@ -10,18 +43,14 @@
 #ifndef _LUSTRE_EACL_H
 #define _LUSTRE_EACL_H
 
-#ifdef CONFIG_FS_POSIX_ACL
-
-# ifdef HAVE_XATTR_ACL
-#  include <linux/xattr_acl.h>
-# endif /* HAVE_XATTR_ACL */
-# ifdef HAVE_LINUX_POSIX_ACL_XATTR_H
-#  include <linux/posix_acl_xattr.h>
-# endif /* HAVE_LINUX_POSIX_ACL_XATTR_H */
+/** \defgroup eacl eacl
+ *
+ * @{
+ */
 
-#include <lustre_idmap.h>
-#include <md_object.h>
-#include <lu_object.h>
+#ifdef CONFIG_FS_POSIX_ACL
+# include <linux/fs.h>
+# include <linux/posix_acl_xattr.h>
 
 typedef struct {
         __u16                   e_tag;
@@ -41,30 +70,41 @@ typedef struct {
 #define CFS_ACL_XATTR_COUNT(size, prefix) \
         (((size) - sizeof(prefix ## _header)) / sizeof(prefix ## _entry))
 
-extern int lustre_posix_acl_permission(struct md_ucred *mu, struct lu_attr *la,
-                                       int want, posix_acl_xattr_entry *entry,
-                                       int count);
+#ifdef HAVE_SERVER_SUPPORT
+struct lu_ucred;
+struct lu_attr;
+struct lustre_idmap_table;
+
+extern int lustre_posix_acl_permission(struct lu_ucred *mu,
+                                       const struct lu_attr *la, int want,
+                                       posix_acl_xattr_entry *entry,
+                                       int count);
 extern int lustre_posix_acl_chmod_masq(posix_acl_xattr_entry *entry,
                                        __u32 mode, int count);
 extern int lustre_posix_acl_create_masq(posix_acl_xattr_entry *entry,
                                         __u32 *pmode, int count);
+extern int lustre_posix_acl_equiv_mode(posix_acl_xattr_entry *entry, mode_t *mode_p,
+                                      int count);
+
+extern int
+lustre_posix_acl_xattr_id2client(struct lu_ucred *mu,
+                                struct lustre_idmap_table *t,
+                                posix_acl_xattr_header *header,
+                                int size, int flags);
+
+extern int
+lustre_ext_acl_xattr_id2server(struct lu_ucred *mu,
+                              struct lustre_idmap_table *t,
+                              ext_acl_xattr_header *header);
+#endif /* HAVE_SERVER_SUPPORT */
 
 extern ext_acl_xattr_header *
 lustre_posix_acl_xattr_2ext(posix_acl_xattr_header *header, int size);
 extern int
 lustre_posix_acl_xattr_filter(posix_acl_xattr_header *header, int size,
-                              posix_acl_xattr_header **out);
-extern int
-lustre_posix_acl_xattr_id2client(struct md_ucred *mu,
-                                 struct lustre_idmap_table *t,
-                                 posix_acl_xattr_header *header,
-                                 int size, int flags);
+                             posix_acl_xattr_header **out);
 extern void
 lustre_posix_acl_xattr_free(posix_acl_xattr_header *header, int size);
-extern int
-lustre_ext_acl_xattr_id2server(struct md_ucred *mu,
-                               struct lustre_idmap_table *t,
-                               ext_acl_xattr_header *header);
 extern void
 lustre_ext_acl_xattr_free(ext_acl_xattr_header *header);
 extern int
@@ -77,4 +117,6 @@ lustre_acl_xattr_merge2ext(posix_acl_xattr_header *posix_header, int size,
 
 #endif /* CONFIG_FS_POSIX_ACL */
 
+/** @} eacl */
+
 #endif