1# SPDX-License-Identifier: GPL-2.0-only
 2
 3config BCACHE
 4	tristate "Block device as cache"
 5	select BLOCK_HOLDER_DEPRECATED if SYSFS
 6	select CRC64
 7	select CLOSURES
 8	help
 9	Allows a block device to be used as cache for other devices; uses
10	a btree for indexing and the layout is optimized for SSDs.
11
12	See Documentation/admin-guide/bcache.rst for details.
13
14config BCACHE_DEBUG
15	bool "Bcache debugging"
16	depends on BCACHE
17	help
18	Don't select this option unless you're a developer
19
20	Enables extra debugging tools, allows expensive runtime checks to be
21	turned on.
22
23config BCACHE_ASYNC_REGISTRATION
24	bool "Asynchronous device registration"
25	depends on BCACHE
26	help
27	Add a sysfs file /sys/fs/bcache/register_async. Writing registering
28	device path into this file will returns immediately and the real
29	registration work is handled in kernel work queue in asynchronous
30	way.

 
 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/bcache.txt 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.