39 lines
1.1 KiB
Plaintext
39 lines
1.1 KiB
Plaintext
|
# SPDX-License-Identifier: GPL-2.0-only
|
||
|
|
||
|
config BCACHE
|
||
|
tristate "Block device as cache"
|
||
|
select BLOCK_HOLDER_DEPRECATED if SYSFS
|
||
|
select CRC64
|
||
|
help
|
||
|
Allows a block device to be used as cache for other devices; uses
|
||
|
a btree for indexing and the layout is optimized for SSDs.
|
||
|
|
||
|
See Documentation/admin-guide/bcache.rst for details.
|
||
|
|
||
|
config BCACHE_DEBUG
|
||
|
bool "Bcache debugging"
|
||
|
depends on BCACHE
|
||
|
help
|
||
|
Don't select this option unless you're a developer
|
||
|
|
||
|
Enables extra debugging tools, allows expensive runtime checks to be
|
||
|
turned on.
|
||
|
|
||
|
config BCACHE_CLOSURES_DEBUG
|
||
|
bool "Debug closures"
|
||
|
depends on BCACHE
|
||
|
select DEBUG_FS
|
||
|
help
|
||
|
Keeps all active closures in a linked list and provides a debugfs
|
||
|
interface to list them, which makes it possible to see asynchronous
|
||
|
operations that get stuck.
|
||
|
|
||
|
config BCACHE_ASYNC_REGISTRATION
|
||
|
bool "Asynchronous device registration"
|
||
|
depends on BCACHE
|
||
|
help
|
||
|
Add a sysfs file /sys/fs/bcache/register_async. Writing registering
|
||
|
device path into this file will returns immediately and the real
|
||
|
registration work is handled in kernel work queue in asynchronous
|
||
|
way.
|