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authorJeff Garzik <jeff@garzik.org>2006-06-23 06:51:46 +0400
committerJeff Garzik <jeff@garzik.org>2006-06-23 06:51:46 +0400
commitdbe1ab9514c231c9b062140a107d9dea0eabefcc (patch)
tree0001c7143cf923fc704215f0a0e54221e9e5cbb9 /fs/jffs2/xattr_user.c
parent612eff0e3715a6faff5ba1b74873b99e036c59fe (diff)
parentd588fcbe5a7ba8bba2cebf7799ab2d573717a806 (diff)
downloadlinux-dbe1ab9514c231c9b062140a107d9dea0eabefcc.tar.xz
Merge branch 'master' into upstream
Diffstat (limited to 'fs/jffs2/xattr_user.c')
-rw-r--r--fs/jffs2/xattr_user.c52
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 000000000000..2f8e9aa01ea0
--- /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
+};