| Kent Overstreet | cafe563 | 2013-03-23 16:11:31 -0700 | [diff] [blame^] | 1 | |
| 2 | config BCACHE |
| 3 | tristate "Block device as cache" |
| 4 | select CLOSURES |
| 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/bcache.txt for details. |
| 10 | |
| 11 | config 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 (primarily a fuzz tester) |
| 18 | |
| 19 | config BCACHE_EDEBUG |
| 20 | bool "Extended runtime checks" |
| 21 | depends on BCACHE |
| 22 | ---help--- |
| 23 | Don't select this option unless you're a developer |
| 24 | |
| 25 | Enables extra runtime checks which significantly affect performance |
| 26 | |
| 27 | config BCACHE_CLOSURES_DEBUG |
| 28 | bool "Debug closures" |
| 29 | depends on BCACHE |
| 30 | select DEBUG_FS |
| 31 | ---help--- |
| 32 | Keeps all active closures in a linked list and provides a debugfs |
| 33 | interface to list them, which makes it possible to see asynchronous |
| 34 | operations that get stuck. |
| 35 | |
| 36 | # cgroup code needs to be updated: |
| 37 | # |
| 38 | #config CGROUP_BCACHE |
| 39 | # bool "Cgroup controls for bcache" |
| 40 | # depends on BCACHE && BLK_CGROUP |
| 41 | # ---help--- |
| 42 | # TODO |