xfs: make last AG grow/shrink perag centric

Because the perag must exist for these operations, look it up as
part of the common shrink operations and pass it instead of the
mount/agno pair.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
This commit is contained in:
Dave Chinner 2022-07-07 19:07:09 +10:00 • committed by Dave Chinner
commit c6aee24814
4 changed files with 40 additions and 41 deletions