--- fs/ext4/move_extent.c

+++ fs/ext4/move_extent.c

@@ -958,6 +958,9 @@ mext_check_arguments(struct inode *orig_

return -EINVAL;

}

+ if (IS_IMMUTABLE(donor_inode) || IS_APPEND(donor_inode))

+ return -EPERM;

+

/* Ext4 move extent does not support swapfile */

if (IS_SWAPFILE(orig_inode) || IS_SWAPFILE(donor_inode)) {

ext4_debug("ext4 move extent: The argument files should "