xfs: use xfs_ilock_attr_map_shared in xfs_attr_get
authorChristoph Hellwig <hch@infradead.org>
Fri, 6 Dec 2013 20:30:15 +0000 (12:30 -0800)
committerBen Myers <bpm@sgi.com>
Wed, 18 Dec 2013 22:07:09 +0000 (16:07 -0600)
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>
fs/xfs/xfs_attr.c

Simple merge