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- # SPDX-License-Identifier: GPL-2.0-only
- config CACHEFILES
- tristate "Filesystem caching on files"
- depends on FSCACHE && BLOCK
- help
- This permits use of a mounted filesystem as a cache for other
- filesystems - primarily networking filesystems - thus allowing fast
- local disk to enhance the speed of slower devices.
- See Documentation/filesystems/caching/cachefiles.rst for more
- information.
- config CACHEFILES_DEBUG
- bool "Debug CacheFiles"
- depends on CACHEFILES
- help
- This permits debugging to be dynamically enabled in the filesystem
- caching on files module. If this is set, the debugging output may be
- enabled by setting bits in /sys/modules/cachefiles/parameter/debug or
- by including a debugging specifier in /etc/cachefilesd.conf.
- config CACHEFILES_ERROR_INJECTION
- bool "Provide error injection for cachefiles"
- depends on CACHEFILES && SYSCTL
- help
- This permits error injection to be enabled in cachefiles whilst a
- cache is in service.
- config CACHEFILES_ONDEMAND
- bool "Support for on-demand read"
- depends on CACHEFILES
- default n
- help
- This permits userspace to enable the cachefiles on-demand read mode.
- In this mode, when a cache miss occurs, responsibility for fetching
- the data lies with the cachefiles backend instead of with the netfs
- and is delegated to userspace.
- If unsure, say N.
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