Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / staging / lustre / lustre / include / lustre_eacl.h

diff --git a/kernel/drivers/staging/lustre/lustre/include/lustre_eacl.h b/kernel/drivers/staging/lustre/lustre/include/lustre_eacl.h
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+++ b/kernel/drivers/staging/lustre/lustre/include/lustre_eacl.h
@@ -0,0 +1,95 @@
+/*
+ * 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) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
+ */
+/*
+ * Copyright (c) 2011, 2012, 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.
+ */
+
+#ifndef _LUSTRE_EACL_H
+#define _LUSTRE_EACL_H
+
+/** \defgroup eacl eacl
+ *
+ * @{
+ */
+
+#ifdef CONFIG_FS_POSIX_ACL
+
+#include <linux/posix_acl_xattr.h>
+
+typedef struct {
+       __u16              e_tag;
+       __u16              e_perm;
+       __u32              e_id;
+       __u32              e_stat;
+} ext_acl_xattr_entry;
+
+typedef struct {
+       __u32              a_count;
+       ext_acl_xattr_entry     a_entries[0];
+} ext_acl_xattr_header;
+
+#define CFS_ACL_XATTR_SIZE(count, prefix) \
+       (sizeof(prefix ## _header) + (count) * sizeof(prefix ## _entry))
+
+#define CFS_ACL_XATTR_COUNT(size, prefix) \
+       (((size) - sizeof(prefix ## _header)) / sizeof(prefix ## _entry))
+
+
+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, size_t size,
+                             posix_acl_xattr_header **out);
+extern void
+lustre_posix_acl_xattr_free(posix_acl_xattr_header *header, int size);
+extern void
+lustre_ext_acl_xattr_free(ext_acl_xattr_header *header);
+extern int
+lustre_acl_xattr_merge2posix(posix_acl_xattr_header *posix_header, int size,
+                            ext_acl_xattr_header *ext_header,
+                            posix_acl_xattr_header **out);
+extern ext_acl_xattr_header *
+lustre_acl_xattr_merge2ext(posix_acl_xattr_header *posix_header, int size,
+                          ext_acl_xattr_header *ext_header);
+
+#endif /* CONFIG_FS_POSIX_ACL */
+
+/** @} eacl */
+
+#endif