nilfs2: fix deadlock in nilfscountfree_blocks()
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 v5.4.225 by commit 36ff974b0310771417c0be64b64aa221bd70d63d, it was introduced in version v2.6.38 by commit e828949e5b42bfd234ee537cdb7c5e3a577958a3. For more details please see the references link.