From: Jan Kara <jack@suse.cz>
Date: Mon, 12 Jan 2009 22:20:32 +0000 (+0100)
Subject: ocfs2: Fix possible deadlock in ocfs2_write_dquot()
X-Git-Tag: v2.6.29-rc4~62^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f8afead7169f0f28a4b421bcbdb510e52a2d094d;p=pandora-kernel.git

ocfs2: Fix possible deadlock in ocfs2_write_dquot()

It could happen that some limit has been set via quotactl() and in parallel
->mark_dirty() is called from another thread doing e.g. dquot_alloc_space(). In
such case ocfs2_write_dquot() must not try to sync the dquot because that needs
global quota lock but that ranks above transaction start.

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
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