From: William Lee Irwin III <wli@holomorphy.com>
To: John Zielinski <grim@undead.cc>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Rootfs mounted from user space - problem with umount
Date: Sat, 29 Nov 2003 01:44:35 -0800 [thread overview]
Message-ID: <20031129094435.GS14258@holomorphy.com> (raw)
In-Reply-To: <3FC869A3.8070809@undead.cc>
William Lee Irwin III wrote:
>> Looks like either namespace->sem or sb->s_umount; you should be able
>> to put some instrumentation code in down_write() and/or down_read() to
>> see who acquired it first by checking to see if the sem acquired belongs
>> to rootfs' sb or some namespace (doubtful you'll create many of them).
On Sat, Nov 29, 2003 at 04:40:51AM -0500, John Zielinski wrote:
> Found it. It was a stupid mistake. I made the get_sb function return
> the same superblock when it was still get_sb_nodev. When I switched it
> to the proper get_sb_single I forgot to remove the code that returned
> the old sb so it wasn't calling get_sb_single to increase the sb's usage
> count. Doh!
Cool! So when do we get a swappable initrd's/initramfs's?
-- wli
next prev parent reply other threads:[~2003-11-29 9:44 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-11-29 5:24 Rootfs mounted from user space - problem with umount John Zielinski
2003-11-29 5:31 ` William Lee Irwin III
2003-11-29 6:14 ` John Zielinski
2003-11-29 6:21 ` William Lee Irwin III
2003-11-29 9:40 ` John Zielinski
2003-11-29 9:44 ` William Lee Irwin III [this message]
2003-11-29 20:02 ` John Zielinski
2003-11-29 20:20 ` John Zielinski
2003-11-29 20:25 ` William Lee Irwin III
2003-11-29 21:05 ` John Zielinski
2003-11-29 21:17 ` Sean Neakums
2003-11-29 21:42 ` John Zielinski
2003-11-30 0:38 ` [OT] " Sean Neakums
2003-11-29 5:38 ` Valdis.Kletnieks
2003-11-29 6:25 ` John Zielinski
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