drbd: don't set max_write_zeroes_sectors in decide_on_discard_support

fixup_write_zeroes always overrides the max_write_zeroes_sectors value
a little further down the callchain, so don't bother to setup a limit
in decide_on_discard_support.

Signed-off-by: Christoph Hellwig <[email protected]>
Reviewed-by: Philipp Reisner <[email protected]>
Reviewed-by: Lars Ellenberg <[email protected]>
Tested-by: Christoph Böhmwalder <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jens Axboe <[email protected]>

Author: Christoph Hellwig

drivers/block/drbd/drbd_nl.c

@@ -1260,7 +1260,6 @@ static void decide_on_discard_support(struct drbd_device *device,
 	blk_queue_discard_granularity(q, 512);
 	max_discard_sectors = drbd_max_discard_sectors(connection);
 	blk_queue_max_discard_sectors(q, max_discard_sectors);
-	blk_queue_max_write_zeroes_sectors(q, max_discard_sectors);
 	return;
 
 not_supported: