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 *dentry, const char *name,
21 void *buffer, size_t size)
23 if (!strcmp(name, ""))
25 return do_jffs2_getxattr(d_inode(dentry), JFFS2_XPREFIX_TRUSTED,
29 static int jffs2_trusted_setxattr(const struct xattr_handler *handler,
30 struct dentry *dentry, const char *name,
31 const void *buffer, size_t size, int flags)
33 if (!strcmp(name, ""))
35 return do_jffs2_setxattr(d_inode(dentry), JFFS2_XPREFIX_TRUSTED,
36 name, buffer, size, flags);
39 static size_t jffs2_trusted_listxattr(const struct xattr_handler *handler,
40 struct dentry *dentry, char *list,
41 size_t list_size, const char *name,
44 size_t retlen = XATTR_TRUSTED_PREFIX_LEN + name_len + 1;
46 if (!capable(CAP_SYS_ADMIN))
49 if (list && retlen<=list_size) {
50 strcpy(list, XATTR_TRUSTED_PREFIX);
51 strcpy(list + XATTR_TRUSTED_PREFIX_LEN, name);
57 const struct xattr_handler jffs2_trusted_xattr_handler = {
58 .prefix = XATTR_TRUSTED_PREFIX,
59 .list = jffs2_trusted_listxattr,
60 .set = jffs2_trusted_setxattr,
61 .get = jffs2_trusted_getxattr