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SubjectRe: Ext2 speedup (No atime update), concerns

In article
<>, Ingo
Molnar <> 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

Stephen Tweedie <>
Department of Computer Science, Edinburgh University, Scotland.

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