ia64/linux-2.6.18-xen.hg

view fs/jffs2/xattr_trusted.c @ 0:831230e53067

Import 2.6.18 from kernel.org tarball.
author Ian Campbell <ian.campbell@xensource.com>
date Wed Apr 11 14:15:44 2007 +0100 (2007-04-11)
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1 /*
2 * JFFS2 -- Journalling Flash File System, Version 2.
3 *
4 * Copyright (C) 2006 NEC Corporation
5 *
6 * Created by KaiGai Kohei <kaigai@ak.jp.nec.com>
7 *
8 * For licensing information, see the file 'LICENCE' in this directory.
9 *
10 */
11 #include <linux/kernel.h>
12 #include <linux/fs.h>
13 #include <linux/jffs2.h>
14 #include <linux/xattr.h>
15 #include <linux/mtd/mtd.h>
16 #include "nodelist.h"
18 static int jffs2_trusted_getxattr(struct inode *inode, const char *name,
19 void *buffer, size_t size)
20 {
21 if (!strcmp(name, ""))
22 return -EINVAL;
23 return do_jffs2_getxattr(inode, JFFS2_XPREFIX_TRUSTED, name, buffer, size);
24 }
26 static int jffs2_trusted_setxattr(struct inode *inode, const char *name, const void *buffer,
27 size_t size, int flags)
28 {
29 if (!strcmp(name, ""))
30 return -EINVAL;
31 return do_jffs2_setxattr(inode, JFFS2_XPREFIX_TRUSTED, name, buffer, size, flags);
32 }
34 static size_t jffs2_trusted_listxattr(struct inode *inode, char *list, size_t list_size,
35 const char *name, size_t name_len)
36 {
37 size_t retlen = XATTR_TRUSTED_PREFIX_LEN + name_len + 1;
39 if (list && retlen<=list_size) {
40 strcpy(list, XATTR_TRUSTED_PREFIX);
41 strcpy(list + XATTR_TRUSTED_PREFIX_LEN, name);
42 }
44 return retlen;
45 }
47 struct xattr_handler jffs2_trusted_xattr_handler = {
48 .prefix = XATTR_TRUSTED_PREFIX,
49 .list = jffs2_trusted_listxattr,
50 .set = jffs2_trusted_setxattr,
51 .get = jffs2_trusted_getxattr
52 };