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Date:	Fri, 25 Jan 2008 04:09:42 -0700
From:	Andreas Dilger <>
To:	Zan Lynx <>
Cc:	Theodore Tso <tytso@....EDU>, Adrian Bunk <>,
	Bodo Eggert <>,
	Alan Cox <>,,
	David Chinner <>,
	Valerie Henson <>,,,, Ric Wheeler <>
Subject: Re: [RFC] Parallelize IO for e2fsck

On Jan 24, 2008  17:25 -0700, Zan Lynx wrote:
> Have y'all been following the /dev/mem_notify patches?

Having the notification be via poll() is a very restrictive processing
model.  Having the notification be via a signal means that any kind of
process (and not just those that are event loop driven) can register
a callback at some arbitrary point in the code and be notified.  I
don't object to the poll() interface, but it would be good to have a
signal mechanism also.

Cheers, Andreas
Andreas Dilger
Sr. Staff Engineer, Lustre Group
Sun Microsystems of Canada, Inc.

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