From: Tejun Heo <tj@kernel.org>
To: Karel Zak <kzak@redhat.com>
Cc: Milan Broz <mbroz@redhat.com>,
device-mapper development <dm-devel@redhat.com>,
Jun'ichi Nomura <j-nomura@ce.jp.nec.com>,
Valdis.Kletnieks@vt.edu, linux-kernel@vger.kernel.org,
linux-raid@vger.kernel.org,
Alexander Viro <viro@zeniv.linux.org.uk>,
linux-fsdevel@vger.kernel.org, Kay Sievers <kay.sievers@vrfy.org>
Subject: Re: [dm-devel] linux-next - WARNING: at fs/block_dev.c:824 bd_link_disk_holder+0x92/0x1ac()
Date: Thu, 13 Jan 2011 14:52:10 +0100 [thread overview]
Message-ID: <20110113135210.GH30719@htj.dyndns.org> (raw)
In-Reply-To: <20110113133722.GG30719@htj.dyndns.org>
On Thu, Jan 13, 2011 at 02:37:22PM +0100, Tejun Heo wrote:
> > It seems that dependencies (holders/slaves) between devices is pretty
> > generic thing. Why do you think that we need claimer-specific method?
> > The /sys filesystem is better that ictls in many ways.
Also, one more thing. In btrfs, there's no block device for the
master device. You can add the slaves directory somewhere and your
choice would be as good as any other's but it just will not be generic
while being superflous exactly the same way it's superflous for md and
dm devices.
Thanks.
--
tejun
next prev parent reply other threads:[~2011-01-13 13:52 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-12 17:34 linux-next - WARNING: at fs/block_dev.c:824 bd_link_disk_holder+0x92/0x1ac() Valdis.Kletnieks
2011-01-13 0:23 ` Milan Broz
2011-01-13 2:19 ` Jun'ichi Nomura
2011-01-13 11:06 ` Tejun Heo
2011-01-13 11:26 ` [dm-devel] " Milan Broz
2011-01-13 12:27 ` Karel Zak
2011-01-13 13:12 ` Tejun Heo
2011-01-13 13:26 ` Karel Zak
2011-01-13 13:37 ` Tejun Heo
2011-01-13 13:52 ` Tejun Heo [this message]
2011-01-13 13:58 ` Milan Broz
2011-01-13 14:11 ` Tejun Heo
2011-01-13 14:25 ` Milan Broz
2011-01-13 14:30 ` Tejun Heo
2011-01-13 14:43 ` Kay Sievers
2011-01-13 15:03 ` Milan Broz
2011-01-14 7:38 ` Jun'ichi Nomura
2011-01-13 15:59 ` Karel Zak
2011-01-13 16:10 ` [dm-devel] " Kay Sievers
2011-01-14 15:07 ` Karel Zak
2011-01-14 15:23 ` Kay Sievers
2011-01-13 14:45 ` Theodore Tso
2011-01-13 20:18 ` NeilBrown
2011-01-13 20:41 ` Ted Ts'o
2011-01-14 16:20 ` Tejun Heo
[not found] ` <20110114162022.GC978@htj.dyndns.org>
2011-01-14 17:59 ` Ted Ts'o
2011-01-14 18:23 ` Tejun Heo
2011-01-13 14:49 ` Milan Broz
2011-01-14 16:35 ` Tejun Heo
2011-01-13 17:21 ` [PATCH] block: restore multiple bd_link_disk_holder() support Tejun Heo
2011-01-13 18:42 ` Milan Broz
2011-01-14 7:31 ` Jun'ichi Nomura
2011-01-14 16:10 ` [PATCH UPDATED] " Tejun Heo
2011-01-14 21:09 ` Milan Broz
2011-01-17 0:18 ` Jun'ichi Nomura
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