| rjw | 1f88458 | 2022-01-06 17:20:42 +0800 | [diff] [blame^] | 1 | |
| 2 | config 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/bcache.txt for details. |
| 9 | |
| 10 | config 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 | |
| 19 | config 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. |