From: Pavel Machek <pavel@suse.cz>
To: Alexander Viro <viro@math.psu.edu>
Cc: Linus Torvalds <torvalds@transmeta.com>,
"Eric W. Biederman" <ebiederm@xmission.com>,
"Stephen C. Tweedie" <sct@redhat.com>,
linux-kernel@vger.kernel.org
Subject: Re: DVD blockdevice buffers
Date: Sun, 27 May 2001 06:38:31 +0000 [thread overview]
Message-ID: <20010527063830.A36@toy.ucw.cz> (raw)
In-Reply-To: <Pine.LNX.4.21.0105250959580.11312-100000@penguin.transmeta.com> <Pine.GSO.4.21.0105251325380.27664-100000@weyl.math.psu.edu>
In-Reply-To: <Pine.GSO.4.21.0105251325380.27664-100000@weyl.math.psu.edu>; from viro@math.psu.edu on Fri, May 25, 2001 at 01:40:55PM -0400
Hi!
> I can easily give more examples - just ask. BTW, the fact that this stuff
> is so fragmented is not a bug - we want it evenly spread over disk, just
> to have the ability to allocate a block/inode not too far from the piece
> of bitmap we'll need to modify.
BTW is this still true? This assumes that long seek takes more time than
short seek. With 12.000rpm drive, one rotation takes 5msec. "Full" seek
is around 12msec these days, no?
Pavel
--
Philips Velo 1: 1"x4"x8", 300gram, 60, 12MB, 40bogomips, linux, mutt,
details at http://atrey.karlin.mff.cuni.cz/~pavel/velo/index.html.
next prev parent reply other threads:[~2001-06-01 18:31 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-05-18 19:02 Eduard Hasenleithner
2001-05-18 19:25 ` Jens Axboe
2001-05-18 19:59 ` Eduard Hasenleithner
2001-05-20 2:36 ` Linus Torvalds
2001-05-23 17:34 ` Stephen C. Tweedie
2001-05-23 18:12 ` Linus Torvalds
2001-05-23 19:57 ` Stephen C. Tweedie
2001-05-23 20:01 ` Linus Torvalds
2001-05-23 20:40 ` Jeff Garzik
2001-05-23 22:32 ` Andrea Arcangeli
2001-05-25 20:12 ` blkdev-pagecache-2 [was Re: DVD blockdevice buffers] Andrea Arcangeli
2001-05-25 20:15 ` Andrea Arcangeli
2001-05-23 22:09 ` DVD blockdevice buffers Andrea Arcangeli
2001-05-23 22:13 ` Alexander Viro
2001-05-23 22:24 ` Andrea Arcangeli
2001-05-24 11:36 ` Stephen C. Tweedie
2001-05-25 15:09 ` Eric W. Biederman
2001-05-25 15:45 ` Stephen C. Tweedie
2001-05-25 17:16 ` Linus Torvalds
2001-05-25 17:40 ` Alexander Viro
2001-05-25 18:05 ` Linus Torvalds
2001-05-25 18:24 ` Alexander Viro
2001-05-25 19:02 ` Stephen C. Tweedie
2001-05-27 6:38 ` Pavel Machek [this message]
2001-05-25 21:07 ` Eric W. Biederman
2001-05-25 21:18 ` Linus Torvalds
2001-05-25 22:31 ` Eric W. Biederman
2001-05-19 18:16 Adam Schrotenboer
2001-05-19 22:56 ` Jens Axboe
2001-05-20 1:55 ` Adam Schrotenboer
2001-05-21 15:44 ` Adam Schrotenboer
2001-05-21 15:47 ` Jens Axboe
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