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 19 static int jffs2_user_getxattr(struct inode *inode, const char *name, 20 void *buffer, size_t size) 21 { 22 if (!strcmp(name, "")) 23 return -EINVAL; 24 return do_jffs2_getxattr(inode, JFFS2_XPREFIX_USER, name, buffer, size); 25 } 26 27 static int jffs2_user_setxattr(struct inode *inode, const char *name, const void *buffer, 28 size_t size, int flags) 29 { 30 if (!strcmp(name, "")) 31 return -EINVAL; 32 return do_jffs2_setxattr(inode, JFFS2_XPREFIX_USER, name, buffer, size, flags); 33 } 34 35 static size_t jffs2_user_listxattr(struct inode *inode, char *list, size_t list_size, 36 const char *name, size_t name_len) 37 { 38 size_t retlen = XATTR_USER_PREFIX_LEN + name_len + 1; 39 40 if (list && retlen <= list_size) { 41 strcpy(list, XATTR_USER_PREFIX); 42 strcpy(list + XATTR_USER_PREFIX_LEN, name); 43 } 44 45 return retlen; 46 } 47 48 struct xattr_handler jffs2_user_xattr_handler = { 49 .prefix = XATTR_USER_PREFIX, 50 .list = jffs2_user_listxattr, 51 .set = jffs2_user_setxattr, 52 .get = jffs2_user_getxattr 53 }; 54