Gentoo Archives: gentoo-dev

From: "Robin H. Johnson" <robbat2@g.o>
To: Gentoo Developers <gentoo-dev@l.g.o>
Subject: Re: [gentoo-dev] Re: init script optimizations?
Date: Sun, 17 Oct 2004 02:32:35
Message-Id: 20041017023114.GA21428@curie-int.orbis-terrarum.net
In Reply to: [gentoo-dev] Re: init script optimizations? by Jeff Davidson
1 On Sun, Oct 17, 2004 at 12:44:09AM +0000, Jeff Davidson wrote:
2 > What about a hash of the directory? I haven't investigated the situation much,
3 > but I'd have to imagine that a CRC32, md5, or SHA1 (overkill) would be able to
4 > detect a file change and still be faster than always running modules-update.
5 It would still fail if some content made use of the include directive,
6 and included a file outside of your hashed dataset that got changed.
7
8 You'd be better off integrating such a design into modules-update.
9
10 One further reason that running modules-update is important, is to
11 handle the need to run depmod if the content of modules/kernels changes.
12
13 --
14 Robin Hugh Johnson
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