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SubjectRe: Ext2 speedup (No atime update), concerns
From
Hi,

In article
<Pine.LNX.3.93.960604223516.14149B-100000@kaliban.csoma.elte.hu>, Ingo
Molnar <mingo@kaliban.csoma.elte.hu> writes:

> On Tue, 4 Jun 1996, Jamie Lokier wrote:
> [ about the "no atime update" mount option ]

>> It would probably be best implemented as an inherited ext2 attribute
>> then. Stick it on the news spool directory, and maybe those few files
>> that keep the laptop owner's disks spinning.

> i think it's the best to have it as a mount option :) it's not really good
> to extend the inode physical layout with such a thing IMHO. (though there
> is some place reserved, but it should rather be used for things like
> POSIX.6).

No, using an attribute flag is an extremely sensible way of doing it.
There is already a 32-bit word reserved for flags, and we'd only be
using one bit of this. POSIX.6 will require a separate mechanism
entirely.

Cheers,
Stephen.
---
Stephen Tweedie <sct@dcs.ed.ac.uk>
Department of Computer Science, Edinburgh University, Scotland.



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