From: "Jun'ichi Nomura" <j-nomura@ce.jp.nec.com>
To: Alasdair G Kergon <agk@redhat.com>
Cc: device-mapper development <dm-devel@redhat.com>,
Lars Marowsky-Bree <lmb@suse.de>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/3] sysfs representation of stacked devices (dm/md)
Date: Tue, 21 Feb 2006 10:34:55 -0500 [thread overview]
Message-ID: <43FB331F.9020104@ce.jp.nec.com> (raw)
In-Reply-To: <20060218195347.GU12169@agk.surrey.redhat.com>
Alasdair G Kergon wrote:
>>Speaking about the efficiency, 'dmsetup ls --tree' works well.
>>However, I haven't yet found a efficient way to implement
>>'dmsetup info --tree -o inverted dm-0', for example.
>
> Indeed - but what needs this that doesn't also need to scan
> everything? mount?
mount, fsck and other blkid based tools could be optimized with it.
However, what I had in mind was system administration like just
using dmsetup or looking /sys to check where a device belongs.
--
Jun'ichi Nomura, NEC Solutions (America), Inc.
WARNING: multiple messages have this Message-ID (diff)
From: "Jun'ichi Nomura" <j-nomura@ce.jp.nec.com>
To: Alasdair G Kergon <agk@redhat.com>
Cc: Neil Brown <neilb@suse.de>, Lars Marowsky-Bree <lmb@suse.de>,
device-mapper development <dm-devel@redhat.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/3] sysfs representation of stacked devices (dm/md)
Date: Tue, 21 Feb 2006 10:34:55 -0500 [thread overview]
Message-ID: <43FB331F.9020104@ce.jp.nec.com> (raw)
In-Reply-To: <20060218195347.GU12169@agk.surrey.redhat.com>
Alasdair G Kergon wrote:
>>Speaking about the efficiency, 'dmsetup ls --tree' works well.
>>However, I haven't yet found a efficient way to implement
>>'dmsetup info --tree -o inverted dm-0', for example.
>
> Indeed - but what needs this that doesn't also need to scan
> everything? mount?
mount, fsck and other blkid based tools could be optimized with it.
However, what I had in mind was system administration like just
using dmsetup or looking /sys to check where a device belongs.
--
Jun'ichi Nomura, NEC Solutions (America), Inc.
next prev parent reply other threads:[~2006-02-21 15:34 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-02-17 18:00 [PATCH 0/3] sysfs representation of stacked devices (dm/md) Jun'ichi Nomura
2006-02-17 18:01 ` [PATCH 1/3] sysfs representation of stacked devices (dm/md common) Jun'ichi Nomura
2006-02-17 18:01 ` Jun'ichi Nomura
2006-02-17 18:44 ` Alasdair G Kergon
2006-02-17 18:44 ` Alasdair G Kergon
2006-02-18 1:03 ` Jun'ichi Nomura
2006-02-18 1:03 ` Jun'ichi Nomura
2006-02-18 19:50 ` Alasdair G Kergon
2006-02-18 19:50 ` Alasdair G Kergon
2006-02-21 15:33 ` Jun'ichi Nomura
2006-02-21 15:33 ` Jun'ichi Nomura
2006-02-21 15:52 ` Alasdair G Kergon
2006-02-21 15:52 ` Alasdair G Kergon
2006-02-17 18:03 ` [PATCH 2/3] sysfs representation of stacked devices (dm) Jun'ichi Nomura
2006-02-17 18:03 ` Jun'ichi Nomura
2006-02-17 18:05 ` [PATCH 3/3] sysfs representation of stacked devices (md) Jun'ichi Nomura
2006-02-17 18:05 ` Jun'ichi Nomura
2006-02-17 19:42 ` [PATCH 0/3] sysfs representation of stacked devices (dm/md) Alasdair G Kergon
2006-02-17 19:42 ` Alasdair G Kergon
2006-02-18 1:21 ` Jun'ichi Nomura
2006-02-18 1:21 ` Jun'ichi Nomura
2006-02-18 19:53 ` Alasdair G Kergon
2006-02-18 19:53 ` Alasdair G Kergon
2006-02-21 15:34 ` Jun'ichi Nomura [this message]
2006-02-21 15:34 ` Jun'ichi Nomura
2006-02-18 6:06 ` Kyle Moffett
2006-02-19 22:04 ` Neil Brown
2006-02-19 22:04 ` Neil Brown
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