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