1 2config BCACHE 3 tristate "Block device as cache" 4 ---help--- 5 Allows a block device to be used as cache for other devices; uses 6 a btree for indexing and the layout is optimized for SSDs. 7 8 See Documentation/admin-guide/bcache.rst for details. 9 10config BCACHE_DEBUG 11 bool "Bcache debugging" 12 depends on BCACHE 13 ---help--- 14 Don't select this option unless you're a developer 15 16 Enables extra debugging tools, allows expensive runtime checks to be 17 turned on. 18 19config BCACHE_CLOSURES_DEBUG 20 bool "Debug closures" 21 depends on BCACHE 22 select DEBUG_FS 23 ---help--- 24 Keeps all active closures in a linked list and provides a debugfs 25 interface to list them, which makes it possible to see asynchronous 26 operations that get stuck. 27