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    SubjectRe: [PATCH 02/18] xstat: Add a pair of system calls to make extended file stats available [ver #6]
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    On Sat, 2010-07-31 at 17:53 +0100, David Howells wrote:
    > utz lehmann <lkml123@s2y4n2c.de> wrote:
    >
    > > When abusing an existing time stamp use atime not ctime please.
    > > ctime has it's uses. atime was just a mistake and is nearly useless.
    >
    > CacheFiles currently uses atime to determine least-recently-usedness.

    How does this works right with noatime or relatime (which is default)?

    We had used FS-Cache with a few 10000s files cached. Doesn't it mean
    that the cleanup has to stat them all?

    Why didn't cachefilesd managed the cache index in a separate database
    like other caches?




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