From: Christoph Hellwig <hch@infradead.org>
Date: Fri, 6 Dec 2013 20:30:13 +0000 (-0800)
Subject: xfs: use xfs_ilock_data_map_shared in xfs_qm_dqtobp
X-Git-Tag: v3.14-rc1~123^2^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f4df8adc8325127ff015ef9c2a8f005edaaedd07;p=pandora-kernel.git

xfs: use xfs_ilock_data_map_shared in xfs_qm_dqtobp

We might not have read in the extent list at this point, so make sure we
take the ilock exclusively if we have to do so.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
---

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