ext4: add EXT4INODEHASXATTRSPACE macro in xattr.h
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.14.291 by commit f217b1ccb178475192e6a516fab7230f51ddae94. For more details please see the references link.