1 /* -*- mode: c; c-basic-offset: 8; -*-
2 * vim: noexpandtab sw=8 ts=8 sts=0:
6 * Copyright (C) 2008 Oracle. All rights reserved.
9 * Lots of code in this file is taken from ext3.
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public
13 * License as published by the Free Software Foundation; either
14 * version 2 of the License, or (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * General Public License for more details.
21 * You should have received a copy of the GNU General Public
22 * License along with this program; if not, write to the
23 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
24 * Boston, MA 021110-1307, USA.
27 #include <linux/init.h>
28 #include <linux/module.h>
29 #include <linux/string.h>
31 #define MLOG_MASK_PREFIX ML_INODE
32 #include <cluster/masklog.h>
41 #define XATTR_TRUSTED_PREFIX "trusted."
43 static size_t ocfs2_xattr_trusted_list(struct inode *inode, char *list,
44 size_t list_size, const char *name,
47 const size_t prefix_len = sizeof(XATTR_TRUSTED_PREFIX) - 1;
48 const size_t total_len = prefix_len + name_len + 1;
50 if (list && total_len <= list_size) {
51 memcpy(list, XATTR_TRUSTED_PREFIX, prefix_len);
52 memcpy(list + prefix_len, name, name_len);
53 list[prefix_len + name_len] = '\0';
58 static int ocfs2_xattr_trusted_get(struct inode *inode, const char *name,
59 void *buffer, size_t size)
61 if (strcmp(name, "") == 0)
63 return ocfs2_xattr_get(inode, OCFS2_XATTR_INDEX_TRUSTED, name,
67 static int ocfs2_xattr_trusted_set(struct inode *inode, const char *name,
68 const void *value, size_t size, int flags)
70 if (strcmp(name, "") == 0)
73 return ocfs2_xattr_set(inode, OCFS2_XATTR_INDEX_TRUSTED, name, value,
77 struct xattr_handler ocfs2_xattr_trusted_handler = {
78 .prefix = XATTR_TRUSTED_PREFIX,
79 .list = ocfs2_xattr_trusted_list,
80 .get = ocfs2_xattr_trusted_get,
81 .set = ocfs2_xattr_trusted_set,