xfs: put the open zone later xfs_open_zone_put

The open zone is what holds the rtg reference for us.  This doesn't
matter until we support shrinking, and even then is rather theoretical
because we can't shrink away a just filled zone in a tiny race window,
but let's play safe here.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hans Holmberg <hans.holmberg@wdc.com>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com>
Signed-off-by: Carlos Maiolino <cem@kernel.org>

Author: Christoph Hellwig

fs/xfs/xfs_zone_alloc.c

@@ -182,11 +182,11 @@ xfs_open_zone_mark_full(
 		list_del_init(&oz->oz_entry);
 	}
 	spin_unlock(&zi->zi_open_zones_lock);
-	xfs_open_zone_put(oz);
 
 	wake_up_all(&zi->zi_zone_wait);
 	if (used < rtg_blocks(rtg))
 		xfs_zone_account_reclaimable(rtg, rtg_blocks(rtg) - used);
+	xfs_open_zone_put(oz);
 }
 
 static inline void