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- # SPDX-License-Identifier: GPL-2.0-only
- config BCACHE
- tristate "Block device as cache"
- 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.
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