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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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1234567891011121314151617181920212223242526272829303132333435363738394041# 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.