diff options
Diffstat (limited to 'fs/jffs2/xattr_user.c')
-rw-r--r-- | fs/jffs2/xattr_user.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/fs/jffs2/xattr_user.c b/fs/jffs2/xattr_user.c new file mode 100644 index 0000000..2f8e9aa --- /dev/null +++ b/fs/jffs2/xattr_user.c @@ -0,0 +1,52 @@ +/* + * JFFS2 -- Journalling Flash File System, Version 2. + * + * Copyright (C) 2006 NEC Corporation + * + * Created by KaiGai Kohei <kaigai@ak.jp.nec.com> + * + * For licensing information, see the file 'LICENCE' in this directory. + * + */ +#include <linux/kernel.h> +#include <linux/fs.h> +#include <linux/jffs2.h> +#include <linux/xattr.h> +#include <linux/mtd/mtd.h> +#include "nodelist.h" + +static int jffs2_user_getxattr(struct inode *inode, const char *name, + void *buffer, size_t size) +{ + if (!strcmp(name, "")) + return -EINVAL; + return do_jffs2_getxattr(inode, JFFS2_XPREFIX_USER, name, buffer, size); +} + +static int jffs2_user_setxattr(struct inode *inode, const char *name, const void *buffer, + size_t size, int flags) +{ + if (!strcmp(name, "")) + return -EINVAL; + return do_jffs2_setxattr(inode, JFFS2_XPREFIX_USER, name, buffer, size, flags); +} + +static size_t jffs2_user_listxattr(struct inode *inode, char *list, size_t list_size, + const char *name, size_t name_len) +{ + size_t retlen = XATTR_USER_PREFIX_LEN + name_len + 1; + + if (list && retlen <= list_size) { + strcpy(list, XATTR_USER_PREFIX); + strcpy(list + XATTR_USER_PREFIX_LEN, name); + } + + return retlen; +} + +struct xattr_handler jffs2_user_xattr_handler = { + .prefix = XATTR_USER_PREFIX, + .list = jffs2_user_listxattr, + .set = jffs2_user_setxattr, + .get = jffs2_user_getxattr +}; |