GSD-2023-1000937 dm thin: Fix ABBA deadlock between shrink_slab and dm_pool_abort_metadata

dm thin: Fix ABBA deadlock between shrinkslab and dmpoolabortmetadata 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 v5.15.87 by commit...