From: Jan Kara <jack@suse.cz>
Date: Tue, 13 Nov 2012 13:55:52 +0000 (+0100)
Subject: reiserfs: Fix lock ordering during remount
X-Git-Tag: v3.2.35~29
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=aa9e08323cd85f6b94a1f57c416a9dc417561f9b;p=pandora-kernel.git

reiserfs: Fix lock ordering during remount

commit 3bb3e1fc47aca554e7e2cc4deeddc24750987ac2 upstream.

When remounting reiserfs dquot_suspend() or dquot_resume() can be called.
These functions take dqonoff_mutex which ranks above write lock so we have
to drop it before calling into quota code.

Signed-off-by: Jan Kara <jack@suse.cz>
[bwh: Backported to 3.2: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

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