Re: [PATCH 02/18] xstat: Add a pair of system calls to makeextended file stats available [ver #6]

[utz lehmann]

On Sat, 2010-07-31 at 17:53 +0100, David Howells wrote:
> utz lehmann <lkml123@xxxxxxxxxx> 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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