1 files changed, 52 insertions, 0 deletions
diff --git a/kernel/fs/reiserfs/xattr_user.c b/kernel/fs/reiserfs/xattr_user.c
new file mode 100644
index 000000000..d0b08d3e5
--- /dev/null
+++ b/kernel/fs/reiserfs/xattr_user.c
@@ -0,0 +1,52 @@
+#include "reiserfs.h"
+#include <linux/errno.h>
+#include <linux/fs.h>
+#include <linux/pagemap.h>
+#include <linux/xattr.h>
+#include "xattr.h"
+#include <linux/uaccess.h>
+
+static int
+user_get(struct dentry *dentry, const char *name, void *buffer, size_t size,
+	 int handler_flags)
+{
+
+	if (strlen(name) < sizeof(XATTR_USER_PREFIX))
+		return -EINVAL;
+	if (!reiserfs_xattrs_user(dentry->d_sb))
+		return -EOPNOTSUPP;
+	return reiserfs_xattr_get(d_inode(dentry), name, buffer, size);
+}
+
+static int
+user_set(struct dentry *dentry, const char *name, const void *buffer,
+	 size_t size, int flags, int handler_flags)
+{
+	if (strlen(name) < sizeof(XATTR_USER_PREFIX))
+		return -EINVAL;
+
+	if (!reiserfs_xattrs_user(dentry->d_sb))
+		return -EOPNOTSUPP;
+	return reiserfs_xattr_set(d_inode(dentry), name, buffer, size, flags);
+}
+
+static size_t user_list(struct dentry *dentry, char *list, size_t list_size,
+			const char *name, size_t name_len, int handler_flags)
+{
+	const size_t len = name_len + 1;
+
+	if (!reiserfs_xattrs_user(dentry->d_sb))
+		return 0;
+	if (list && len <= list_size) {
+		memcpy(list, name, name_len);
+		list[name_len] = '\0';
+	}
+	return len;
+}
+
+const struct xattr_handler reiserfs_xattr_user_handler = {
+	.prefix = XATTR_USER_PREFIX,
+	.get = user_get,
+	.set = user_set,
+	.list = user_list,
+};