From: Valerie Henson <val_henson@linux.intel.com>
To: Nikita Danilov <nikita@clusterfs.com>
Cc: Matt Mackall <mpm@selenic.com>, Theodore Tso <tytso@mit.edu>,
linux-fsdevel@vger.kernel.org
Subject: Re: [RFC] TileFS - a proposal for scalable integrity checking
Date: Wed, 9 May 2007 11:56:33 -0700 [thread overview]
Message-ID: <20070509185631.GA18778@nifty> (raw)
In-Reply-To: <17985.44441.177720.982683@gargle.gargle.HOWL>
On Wed, May 09, 2007 at 03:16:41PM +0400, Nikita Danilov wrote:
>
> I guess I miss something. If chunkfs maintains "at most one continuation
> per chunk" invariant, then continuation inode might end up with multiple
> byte ranges, and to check that they do not overlap one has to read
> indirect blocks (or some equivalent data-structure).
You're right about needing to read the equivalent data-structure - for
other reasons, each continuation inode will need an easily accessible
list of byte ranges covered by that inode. (Sounds like, hey,
extents!) The important part is that you don't have go walk all the
indirect blocks or check your bitmap.
-VAL
next prev parent reply other threads:[~2007-05-09 18:56 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-28 22:05 [RFC] TileFS - a proposal for scalable integrity checking Matt Mackall
2007-04-29 12:21 ` Jörn Engel
2007-04-29 12:57 ` Matt Mackall
2007-04-29 15:47 ` Jörn Engel
2007-05-09 5:56 ` Valerie Henson
2007-05-09 10:12 ` Jörn Engel
2007-04-29 15:58 ` Jörn Engel
2007-04-29 16:24 ` Matt Mackall
2007-04-29 16:34 ` Andi Kleen
2007-04-29 16:05 ` Jörn Engel
2007-04-29 16:09 ` Matt Mackall
2007-04-29 23:23 ` Theodore Tso
2007-04-30 1:40 ` Matt Mackall
2007-04-30 17:26 ` Theodore Tso
2007-04-30 17:59 ` Matt Mackall
2007-05-02 13:18 ` Jörn Engel
2007-05-02 13:32 ` Jörn Engel
2007-05-02 15:37 ` Matt Mackall
2007-05-02 16:35 ` Jörn Engel
2007-05-09 7:56 ` Valerie Henson
2007-05-09 11:16 ` Nikita Danilov
2007-05-09 18:56 ` Valerie Henson [this message]
2007-05-09 19:19 ` Nikita Danilov
2007-05-09 17:06 ` Matt Mackall
2007-05-09 18:59 ` Valerie Henson
2007-05-09 19:51 ` Matt Mackall
2007-05-10 0:03 ` Jörn Engel
2007-05-11 9:46 ` Valerie Henson
2007-05-11 15:55 ` Matt Mackall
2007-05-09 19:01 ` Valerie Henson
2007-05-09 20:05 ` Matt Mackall
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