On Thu, Apr 03, 2025 at 06:54:14PM +0800, Ming Lei wrote: > freeze queue should be used for changing block layer generic setting, such > as logical block size, PI, ..., and it is enough to quiesce queue for > changing loop specific setting. Why? A queue should generally be frozen for any setting affecting the I/O path. Nothing about generic or internal. This also misses an explanation of what setting this protects and why you think this is safe and the sound fix.