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From: Theodore Tso <tytso@mit.edu>
To: Nick Piggin <nickpiggin@yahoo.com.au>,
	Daniel Phillips <phillips@phunq.net>,
	linux-fsdevel@vger.kernel.org, tux3@tux3.org,
	Andrew Morton <akpm@linux-foundation.org>,
	linux-kernel@vge
Subject: Re: [Tux3] Tux3 report: Tux3 Git tree available
Date: Mon, 16 Mar 2009 02:38:30 -0400	[thread overview]
Message-ID: <20090316063830.GC6357@mit.edu> (raw)
In-Reply-To: <20090316051211.GB26138@disturbed>

Dave,

It wasn't my intention to say that XFS was bad; in fact, I thought I
was actually complementing XFS by talking about some of the advanced
features that XFS had (many of which I have always said that ext3 has,
and some of which ext4 still does not have, and probably never will
have).  I stand corrected on some of the details that I got wrong.
What I was trying to say was that *if* (and perhaps I'm
misunderstanding fsblock) that fsblock is requiring that as soon as a
page is dirty, fsblock requests the filesystem to assign a block
allocation to the buffers attached to the dirty page, that this would
spike out delayed allocation, which would be unfortunate for *both*
ext4 and XFS.

But maybe I'm misunderstanding what fsblock is doing, and there isn't
a problem here.

Regards,

						- Ted

  reply	other threads:[~2009-03-16  6:38 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <200903110925.37614.phillips@phunq.net>
     [not found] ` <200903122010.31282.nickpiggin@yahoo.com.au>
     [not found]   ` <200903120315.07610.phillips@phunq.net>
2009-03-12 11:03     ` [Tux3] Tux3 report: Tux3 Git tree available Nick Piggin
2009-03-12 12:24       ` Daniel Phillips
2009-03-12 12:32         ` Matthew Wilcox
2009-03-12 12:45           ` Nick Piggin
2009-03-12 13:12             ` [Tux3] " Daniel Phillips
2009-03-12 13:06           ` Daniel Phillips
2009-03-12 13:04         ` Nick Piggin
2009-03-12 13:59           ` [Tux3] " Matthew Wilcox
2009-03-12 14:19             ` Nick Piggin
2009-03-15  3:24             ` Daniel Phillips
2009-03-15  3:50               ` [Tux3] " Nick Piggin
2009-03-15  4:08                 ` Daniel Phillips
2009-03-15  4:14                   ` [Tux3] " Nick Piggin
2009-03-15  2:41           ` Daniel Phillips
2009-03-15  3:45             ` Nick Piggin
2009-03-15 21:44               ` Theodore Tso
2009-03-15 22:41                 ` Daniel Phillips
2009-03-16 10:32                   ` Nick Piggin
2009-03-16  5:12                 ` Dave Chinner
2009-03-16  6:38                   ` Theodore Tso [this message]
2009-03-16 10:14                     ` Nick Piggin
2009-03-12 17:06       ` [Tux3] " Theodore Tso
2009-03-13  9:32         ` Nick Piggin

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