On Tue, Jun 25, 2024 at 01:03:19PM +0100, John Garry wrote: > On 25/06/2024 12:05, Christoph Hellwig wrote: > > Now that all updates go through blk_validate_limits the default of 511 > > is set at initialization time. > > The code handles q == NULL case, so is q == NULL now impossible? No caller ever passed a NULL q in. But yes, this could use a sentence in the commit log.