xfs: remove xfs_zone_gc_space_available

xfs_zone_gc_space_available only has one caller left, so fold it into
that.  Reorder the checks so that the cheaper scratch_available check
is done first.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hans Holmberg <hans.holmberg@wdc.com>
Signed-off-by: Carlos Maiolino <cem@kernel.org>
This commit is contained in:
Christoph Hellwig 2026-01-27 16:10:21 +01:00 • committed by Carlos Maiolino
commit 7da4ebea83