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Re: removing an ext2fs file forces disk activity

From: Thomas Bushnell, BSG
Subject: Re: removing an ext2fs file forces disk activity
Date: 04 May 2002 13:05:55 -0700
User-agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.2

nisse@lysator.liu.se (Niels Möller) writes:

> Does anybody have any idea how often this case occurs with typical
> activities like compilation?

What's the point of the question: to decide if we can ignore the
issue, or to decide if the solution has to be terribly efficient?

> With the current code, dependent modifications of A, B, A, results in
>   modify(A); sync
>   modify(B); sync
>   modify(A); synced sometime later
> The new scheme would change that to
>   modify(A);
>   modify(B); noting dependency
>   sync(A);
>   modify(A); note new dependency
> all assuming that so spontaneous syncing occurs between the
> modifications. So in this case we save one sync. Did I get this right?


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