Christoph Hellwig f4df8adc83 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>

2013-12-18 16:04:18 -06:00

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