tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * JFFS2 -- Journalling Flash File System, Version 2.
3 *
4 * Copyright © 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
12#include <linux/kernel.h>
13#include <linux/fs.h>
14#include <linux/jffs2.h>
15#include <linux/xattr.h>
16#include <linux/mtd/mtd.h>
17#include "nodelist.h"
18
19static int jffs2_trusted_getxattr(const struct xattr_handler *handler,
20 struct dentry *unused, struct inode *inode,
21 const char *name, void *buffer, size_t size)
22{
23 return do_jffs2_getxattr(inode, JFFS2_XPREFIX_TRUSTED,
24 name, buffer, size);
25}
26
27static int jffs2_trusted_setxattr(const struct xattr_handler *handler,
28 struct dentry *unused, struct inode *inode,
29 const char *name, const void *buffer,
30 size_t size, int flags)
31{
32 return do_jffs2_setxattr(inode, JFFS2_XPREFIX_TRUSTED,
33 name, buffer, size, flags);
34}
35
36static bool jffs2_trusted_listxattr(struct dentry *dentry)
37{
38 return capable(CAP_SYS_ADMIN);
39}
40
41const struct xattr_handler jffs2_trusted_xattr_handler = {
42 .prefix = XATTR_TRUSTED_PREFIX,
43 .list = jffs2_trusted_listxattr,
44 .set = jffs2_trusted_setxattr,
45 .get = jffs2_trusted_getxattr
46};