2 * JFFS2 -- Journalling Flash File System, Version 2.
4 * Copyright © 2006 NEC Corporation
6 * Created by KaiGai Kohei <kaigai@ak.jp.nec.com>
8 * For licensing information, see the file 'LICENCE' in this directory.
12 #include <linux/kernel.h>
14 #include <linux/jffs2.h>
15 #include <linux/xattr.h>
16 #include <linux/mtd/mtd.h>
19 static 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)
23 return do_jffs2_getxattr(inode, JFFS2_XPREFIX_TRUSTED,
27 static int jffs2_trusted_setxattr(const struct xattr_handler *handler,
28 struct user_namespace *mnt_userns,
29 struct dentry *unused, struct inode *inode,
30 const char *name, const void *buffer,
31 size_t size, int flags)
33 return do_jffs2_setxattr(inode, JFFS2_XPREFIX_TRUSTED,
34 name, buffer, size, flags);
37 static bool jffs2_trusted_listxattr(struct dentry *dentry)
39 return capable(CAP_SYS_ADMIN);
42 const struct xattr_handler jffs2_trusted_xattr_handler = {
43 .prefix = XATTR_TRUSTED_PREFIX,
44 .list = jffs2_trusted_listxattr,
45 .set = jffs2_trusted_setxattr,
46 .get = jffs2_trusted_getxattr