1 2config BCACHE 3 tristate "Block device as cache" 4 select CRC64 5 help 6 Allows a block device to be used as cache for other devices; uses 7 a btree for indexing and the layout is optimized for SSDs. 8 9 See Documentation/admin-guide/bcache.rst for details. 10 11config BCACHE_DEBUG 12 bool "Bcache debugging" 13 depends on BCACHE 14 help 15 Don't select this option unless you're a developer 16 17 Enables extra debugging tools, allows expensive runtime checks to be 18 turned on. 19 20config BCACHE_CLOSURES_DEBUG 21 bool "Debug closures" 22 depends on BCACHE 23 select DEBUG_FS 24 help 25 Keeps all active closures in a linked list and provides a debugfs 26 interface to list them, which makes it possible to see asynchronous 27 operations that get stuck. 28