xfs: clean up weird while loop in xfs_alloc_ag_vextent_near

Refactor the weird while loop out of existence.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Darrick J. Wong 2019-11-07 12:29:00 -08:00
commit 5113f8ec37