From: Daniel Phillips <phillips@bonn-fries.net>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>,
torvalds@transmeta.com (Linus Torvalds)
Cc: adilger@turbolabs.com (Andreas Dilger),
andrea@suse.de (Andrea Arcangeli),
linux-kernel@vger.kernel.org (Kernel Mailing List)
Subject: Re: linux-2.4.10-pre5
Date: Mon, 10 Sep 2001 02:04:19 +0200 [thread overview]
Message-ID: <20010909235703Z16150-26183+678@humbolt.nl.linux.org> (raw)
In-Reply-To: <E15gEPC-00084T-00@the-village.bc.nu>
In-Reply-To: <E15gEPC-00084T-00@the-village.bc.nu>
On September 10, 2001 01:54 am, Alan Cox wrote:
> How do you plan to handle the situation where we have multiple instances
> of the same 4K disk block each of which contains 1K of data in the
> start of the page copy and 3K of zeroes.
>
> This isnt idle speculation - thing about BSD UFS fragments.
This is handled the same way ReiserFS handles tail merging now - by
instantiating multiple pages in the respective inode mappings with copies
of the respective parts of the shared block, which stays in the physical
block cashe (aka buffer cache).
The dirty work is done by xxx_get_block.
--
Daniel
next prev parent reply other threads:[~2001-09-09 23:57 UTC|newest]
Thread overview: 94+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-09-08 4:18 linux-2.4.10-pre5 Linus Torvalds
2001-09-08 6:32 ` linux-2.4.10-pre5: drivers/net/wan compile fixes Eyal Lebedinsky
2001-09-08 6:36 ` 2.4.9-ac10 (not 2.4.10-pre5!) wan fixes Eyal Lebedinsky
2001-09-08 8:32 ` 2.4.10-pre5 compile error George Bonser
2001-09-08 17:19 ` linux-2.4.10-pre5 Andrea Arcangeli
2001-09-08 17:30 ` linux-2.4.10-pre5 Linus Torvalds
2001-09-08 17:57 ` linux-2.4.10-pre5 Andrea Arcangeli
2001-09-08 18:01 ` linux-2.4.10-pre5 Linus Torvalds
2001-09-09 1:09 ` linux-2.4.10-pre5 Andrea Arcangeli
2001-09-09 1:20 ` linux-2.4.10-pre5 Linus Torvalds
2001-09-09 1:38 ` linux-2.4.10-pre5 Andrea Arcangeli
2001-09-09 1:53 ` linux-2.4.10-pre5 Linus Torvalds
2001-09-09 2:22 ` linux-2.4.10-pre5 Andrea Arcangeli
2001-09-09 2:31 ` linux-2.4.10-pre5 Linus Torvalds
2001-09-09 3:30 ` linux-2.4.10-pre5 Andrea Arcangeli
2001-09-09 3:58 ` linux-2.4.10-pre5 Linus Torvalds
2001-09-09 4:16 ` linux-2.4.10-pre5 Andrea Arcangeli
2001-09-09 4:28 ` linux-2.4.10-pre5 Linus Torvalds
2001-09-09 12:09 ` linux-2.4.10-pre5 Rik van Riel
2001-09-09 14:53 ` linux-2.4.10-pre5 Andrea Arcangeli
2001-09-09 18:17 ` linux-2.4.10-pre5 Linus Torvalds
2001-09-09 20:18 ` linux-2.4.10-pre5 H. Peter Anvin
2001-09-10 0:39 ` linux-2.4.10-pre5 Simon Kirby
2001-09-10 8:30 ` linux-2.4.10-pre5 Kai Henningsen
2001-09-11 5:29 ` linux-2.4.10-pre5 Peter Samuelson
2001-09-11 11:29 ` linux-2.4.10-pre5 Kai Henningsen
2001-09-10 21:22 ` linux-2.4.10-pre5 Stephen C. Tweedie
2001-09-09 14:47 ` linux-2.4.10-pre5 Andrea Arcangeli
2001-09-09 16:24 ` linux-2.4.10-pre5 Linus Torvalds
2001-09-09 17:29 ` linux-2.4.10-pre5 Andrea Arcangeli
2001-09-09 23:56 ` linux-2.4.10-pre5 Daniel Phillips
2001-09-09 4:29 ` linux-2.4.10-pre5 Andreas Dilger
2001-09-09 4:54 ` linux-2.4.10-pre5 Linus Torvalds
2001-09-09 6:17 ` linux-2.4.10-pre5 Andreas Dilger
2001-09-09 17:31 ` linux-2.4.10-pre5 Linus Torvalds
2001-09-09 19:19 ` linux-2.4.10-pre5 Daniel Phillips
2001-09-09 23:24 ` linux-2.4.10-pre5 Linus Torvalds
2001-09-09 23:54 ` linux-2.4.10-pre5 Alan Cox
2001-09-10 0:04 ` Daniel Phillips [this message]
2001-09-10 0:23 ` linux-2.4.10-pre5 Linus Torvalds
2001-09-10 0:23 ` linux-2.4.10-pre5 Daniel Phillips
2001-09-10 0:38 ` linux-2.4.10-pre5 Linus Torvalds
2001-09-10 1:04 ` linux-2.4.10-pre5 Andrea Arcangeli
2001-09-10 1:45 ` linux-2.4.10-pre5 Chris Mason
2001-09-10 1:55 ` linux-2.4.10-pre5 Andrea Arcangeli
2001-09-10 2:15 ` linux-2.4.10-pre5 Daniel Phillips
2001-09-10 2:20 ` linux-2.4.10-pre5 Chris Mason
2001-09-10 2:40 ` linux-2.4.10-pre5 Daniel Phillips
2001-09-10 3:02 ` linux-2.4.10-pre5 Chris Mason
2001-09-10 3:36 ` linux-2.4.10-pre5 Daniel Phillips
2001-09-10 19:06 ` linux-2.4.10-pre5 Chris Mason
2001-09-10 2:22 ` linux-2.4.10-pre5 Daniel Phillips
2001-09-10 2:02 ` linux-2.4.10-pre5 Chris Mason
2001-09-10 2:06 ` linux-2.4.10-pre5 Andrea Arcangeli
2001-09-10 2:03 ` linux-2.4.10-pre5 Linus Torvalds
2001-09-10 2:41 ` linux-2.4.10-pre5 Chris Mason
2001-09-10 21:18 ` linux-2.4.10-pre5 Daniel Phillips
2001-09-10 21:23 ` linux-2.4.10-pre5 Alex Bligh - linux-kernel
2001-09-10 21:54 ` linux-2.4.10-pre5 Daniel Phillips
2001-09-10 22:39 ` linux-2.4.10-pre5 Alex Bligh - linux-kernel
2001-09-10 23:13 ` linux-2.4.10-pre5 Daniel Phillips
2001-09-10 23:25 ` linux-2.4.10-pre5 Alex Bligh - linux-kernel
2001-09-10 22:15 ` linux-2.4.10-pre5 Linus Torvalds
2001-09-10 22:26 ` linux-2.4.10-pre5 Linus Torvalds
2001-09-10 22:39 ` linux-2.4.10-pre5 Rik van Riel
2001-09-10 23:14 ` linux-2.4.10-pre5 Daniel Phillips
2001-09-10 23:16 ` linux-2.4.10-pre5 Linus Torvalds
2001-09-11 0:53 ` linux-2.4.10-pre5 Rik van Riel
2001-09-11 6:39 ` linux-2.4.10-pre5 Hua Zhong
2001-09-11 15:12 ` linux-2.4.10-pre5 Linus Torvalds
2001-09-11 15:44 ` linux-2.4.10-pre5 Daniel Phillips
2001-09-11 15:48 ` linux-2.4.10-pre5 Linus Torvalds
2001-09-11 16:05 ` linux-2.4.10-pre5 Alex Bligh - linux-kernel
2001-09-11 16:07 ` linux-2.4.10-pre5 Daniel Phillips
2001-09-11 16:07 ` linux-2.4.10-pre5 Alex Bligh - linux-kernel
2001-09-11 16:13 ` linux-2.4.10-pre5 Martin Dalecki
2001-09-11 17:17 ` linux-2.4.10-pre5 Daniel Phillips
2001-09-11 10:02 ` linux-2.4.10-pre5 Daniel Phillips
2001-09-11 20:07 ` linux-2.4.10-pre5 Rik van Riel
2001-09-10 23:20 ` linux-2.4.10-pre5 Daniel Phillips
2001-09-11 0:20 ` linux-2.4.10-pre5 Linus Torvalds
2001-09-11 1:16 ` linux-2.4.10-pre5 Daniel Phillips
2001-09-11 2:27 ` linux-2.4.10-pre5 Linus Torvalds
2001-09-11 7:45 ` linux-2.4.10-pre5 Helge Hafting
2001-09-11 10:27 ` linux-2.4.10-pre5 Daniel Phillips
2001-09-11 15:39 ` linux-2.4.10-pre5 Linus Torvalds
2001-09-11 16:52 ` linux-2.4.10-pre5 Daniel Phillips
2001-09-09 19:51 ` linux-2.4.10-pre5 Daniel Phillips
2001-09-09 9:05 ` linux-2.4.10-pre5 Christoph Hellwig
2001-09-09 13:14 ` linux-2.4.10-pre5 Anton Altaparmakov
2001-09-09 14:31 ` linux-2.4.10-pre5 Andrea Arcangeli
2001-09-08 21:15 ` linux-2.4.10-pre5 Andreas Dilger
2001-09-09 0:59 ` linux-2.4.10-pre5 Andrea Arcangeli
2001-09-08 22:01 ` linux-2.4.10-pre5 Thiago Vinhas de Moraes
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