tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1# SPDX-License-Identifier: GPL-2.0-only
2
3config BCACHE
4 tristate "Block device as cache"
5 select CRC64
6 help
7 Allows a block device to be used as cache for other devices; uses
8 a btree for indexing and the layout is optimized for SSDs.
9
10 See Documentation/admin-guide/bcache.rst for details.
11
12config BCACHE_DEBUG
13 bool "Bcache debugging"
14 depends on BCACHE
15 help
16 Don't select this option unless you're a developer
17
18 Enables extra debugging tools, allows expensive runtime checks to be
19 turned on.
20
21config BCACHE_CLOSURES_DEBUG
22 bool "Debug closures"
23 depends on BCACHE
24 select DEBUG_FS
25 help
26 Keeps all active closures in a linked list and provides a debugfs
27 interface to list them, which makes it possible to see asynchronous
28 operations that get stuck.
29
30config BCACHE_ASYNC_REGISTRATION
31 bool "Asynchronous device registration (EXPERIMENTAL)"
32 depends on BCACHE
33 help
34 Add a sysfs file /sys/fs/bcache/register_async. Writing registering
35 device path into this file will returns immediately and the real
36 registration work is handled in kernel work queue in asynchronous
37 way.