xfs: use alloc_pages_bulk_array() for buffers

Because it's more efficient than allocating pages one at a time in a
loop.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
This commit is contained in:
Dave Chinner 2021-06-01 13:40:36 +10:00 • committed by Dave Chinner
commit c9fa563072