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# SPDX-License-Identifier: GPL-2.0-only
config CACHEFILES
tristate "Filesystem caching on files"
depends on NETFS_SUPPORT && 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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