From: Christophe Saout <christophe@saout.de>
To: Mike Christie <mikenc@us.ibm.com>
Cc: Joe Thornber <thornber@redhat.com>, Andrew Morton <akpm@osdl.org>,
Linux Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [Patch 1/6] dm: endio method
Date: Sat, 21 Feb 2004 11:44:38 +0100 [thread overview]
Message-ID: <1077360278.6414.3.camel@leto.cs.pocnet.net> (raw)
In-Reply-To: <40372BCE.7090708@us.ibm.com>
Am Sa, den 21.02.2004 schrieb Mike Christie um 10:58:
> This is DM's cloned bio. Is there a guarantee that this value should be
> safe from lower level drivers overwriting it, or is it similar to b_rdev
> for buffer_heads?
The block layer is allowed to remap the device. This is done for
partitions, e.g. hda5 -> hda + sector number change
(blk_partition_remap).
next prev parent reply other threads:[~2004-02-21 10:44 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-02-20 15:31 device-mapper patchset Joe Thornber
2004-02-20 15:34 ` [Patch 1/6] dm: endio method Joe Thornber
2004-02-21 9:58 ` Mike Christie
2004-02-21 10:44 ` Christophe Saout [this message]
2004-02-23 10:05 ` Joe Thornber
2004-02-23 22:08 ` Mike Christie
2004-02-23 22:29 ` Joe Thornber
2004-02-24 2:18 ` Mike Christie
2004-02-20 15:34 ` [Patch 2/6] dm: remove v1 ioctl interface Joe Thornber
2004-02-20 20:18 ` Andreas Jellinghaus
2004-02-21 6:15 ` Andrew Morton
2004-02-20 15:35 ` [Patch 3/6] dm: list_for_each_entry audit Joe Thornber
2004-02-20 15:36 ` [Patch 4/6] dm: default queue limits Joe Thornber
2004-02-20 15:39 ` Joe Thornber
2004-02-20 15:37 ` [Patch 5/6] dm: list targets cmd Joe Thornber
2004-02-21 6:17 ` Andrew Morton
2004-02-20 15:37 ` [Patch 6/6] dm: multipath target Joe Thornber
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