>>>>> "Tom" == Tom Yan <tom.ty89@xxxxxxxxx> writes: Tom, Tom> Would min_not_zero() be more proper than max()? That would effectively set discard_granularity to physical_block_size regardless of whether unmap_granularity was provided or not. -- Martin K. Petersen Oracle Linux Engineering -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html