1 files changed, 43 insertions, 0 deletions
diff --git a/fs/reiserfs/xattr_user.c b/fs/reiserfs/xattr_user.c
new file mode 100644
index 000000000..65d9cd10a
--- /dev/null
+++ b/fs/reiserfs/xattr_user.c
@@ -0,0 +1,43 @@
+// SPDX-License-Identifier: GPL-2.0
+#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(const struct xattr_handler *handler, struct dentry *unused,
+	 struct inode *inode, const char *name, void *buffer, size_t size)
+{
+	if (!reiserfs_xattrs_user(inode->i_sb))
+		return -EOPNOTSUPP;
+	return reiserfs_xattr_get(inode, xattr_full_name(handler, name),
+				  buffer, size);
+}
+
+static int
+user_set(const struct xattr_handler *handler, struct user_namespace *mnt_userns,
+	 struct dentry *unused,
+	 struct inode *inode, const char *name, const void *buffer,
+	 size_t size, int flags)
+{
+	if (!reiserfs_xattrs_user(inode->i_sb))
+		return -EOPNOTSUPP;
+	return reiserfs_xattr_set(inode,
+				  xattr_full_name(handler, name),
+				  buffer, size, flags);
+}
+
+static bool user_list(struct dentry *dentry)
+{
+	return reiserfs_xattrs_user(dentry->d_sb);
+}
+
+const struct xattr_handler reiserfs_xattr_user_handler = {
+	.prefix = XATTR_USER_PREFIX,
+	.get = user_get,
+	.set = user_set,
+	.list = user_list,
+};