On Mon, May 20, 2024 at 04:48:31PM +0200, Mikulas Patocka wrote: > dm-integrity could set discard_granularity lower than the logical block > size. This could result in failures when sending discard requests to > dm-integrity. This patch fixes discard_granularity. What kernel was this reported on? For current mainline, blk_validate_limits should ensure that the discard_granularity is floored by the logical block size.