From: Andreas Dilger <adilger@clusterfs.com>
To: Eric Sandeen <sandeen@redhat.com>
Cc: Alex Tomas <alex@clusterfs.com>,
Valerie Clement <valerie.clement@bull.net>,
linux-ext4@vger.kernel.org
Subject: Re: [RFC] ext4-locality-groups patch
Date: Wed, 13 Dec 2006 14:33:38 -0700 [thread overview]
Message-ID: <20061213213338.GZ5937@schatzie.adilger.int> (raw)
In-Reply-To: <458010CE.6020402@redhat.com>
On Dec 13, 2006 08:40 -0600, Eric Sandeen wrote:
> This is probably a discrepancy that comes from reading the block device
> directly, right? Which is not necessarily in sync with the address
> space for the filesystem.
In fact, the block device IS in sync with the filesystem address space,
but only for metadata. The file data each has its own address space and
is not coherent.
Cheers, Andreas
--
Andreas Dilger
Principal Software Engineer
Cluster File Systems, Inc.
next prev parent reply other threads:[~2006-12-13 22:03 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-11-30 23:56 [RFC] ext4-locality-groups patch Alex Tomas
2006-12-12 16:48 ` Valerie Clement
2006-12-12 16:58 ` Alex Tomas
2006-12-13 14:08 ` Valerie Clement
2006-12-13 14:21 ` Alex Tomas
2006-12-13 14:37 ` Valerie Clement
2006-12-13 14:51 ` Alex Tomas
2006-12-13 14:54 ` Alex Tomas
2006-12-13 15:02 ` Valerie Clement
2006-12-13 21:32 ` Andreas Dilger
2006-12-13 14:40 ` Eric Sandeen
2006-12-13 21:33 ` Andreas Dilger [this message]
2006-12-13 22:26 ` Eric Sandeen
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