Re: [PATCH] General filesystem cache

From: Rob Landley (rob_at_landley.net)
Date: 07/31/03

  • Next message: Jan-Benedict Glaw: "Re: TSCs are a no-no on i386" 
    To: David Howells <dhowells@warthog.cambridge.redhat.com>, "Charles P. Wright" <cpwright@cpwright.com>
Date:	Thu, 31 Jul 2003 02:31:54 -0400

    On Sunday 20 July 2003 05:38, David Howells wrote:
    > > Is this patch available from somewhere? I looked on the MARC archives
    > > but haven't been able to find the original mail which includes the patch.
    >
    > I don't know. The message containing the patches doesn't seem to have made
    > it into either the LKML or the linux-fsdevel mailing lists.
    >
    > The basic code can be found in:
    >
    > http://cvs.infradead.org/cgi-bin/cvsweb.cgi/afs/
    >
    > In directories:
    >
    > Documentations/filesystems/
    > include/linux/
    > fs/cachefs/
    >
    > I'll see about putting the patch up for download when I get to OLS.
    >
    > David

    Random question:

    Way back when I used union mount code (under OS/2) that would mount the first
    filesystem read-only, and allow you to cache changes to it in a second
    filesystem. (So you could do a build of slightly self-modifying code, a lot
    like the Linux build in 2.4 was, against a read-only tree.)

    Would this be a good tool for that sort of application? (There's all sorts of
    other "trial run" type applications; running stuff against database snapshots
    and then seeing what the deltas are, etc...)

    Rob

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