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1 | |
2 | config BCACHE | |
3 | tristate "Block device as cache" | |
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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 | ||
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16 | Enables extra debugging tools, allows expensive runtime checks to be |
17 | turned on. | |
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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. |