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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
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parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
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+
+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.txt 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_HISTOGRAM
+ bool "Gather latency information on CacheFiles"
+ depends on CACHEFILES && PROC_FS
+ help
+
+ This option causes latency information to be gathered on CacheFiles
+ operation and exported through file:
+
+ /proc/fs/cachefiles/histogram
+
+ The generation of this histogram adds a certain amount of overhead to
+ execution as there are a number of points at which data is gathered,
+ and on a multi-CPU system these may be on cachelines that keep
+ bouncing between CPUs. On the other hand, the histogram may be
+ useful for debugging purposes. Saying 'N' here is recommended.
+
+ See Documentation/filesystems/caching/cachefiles.txt for more
+ information.