On 21/10/2020 11:04, Sergei Shtepa wrote: > + help > + Enabling this lets third-party kernel modules intercept > + bio requests for any block device. This allows them to implement The "third-party kernel modules" part sounds a bit worrisome to me. Especially as this functionality is based on EXPORT_SYMBOL()s without the GPL suffix. I read it as a "allow a proprietary module to mess with bios", which is a big no-no to me. Not providing any sort of changelog doesn't help much either. Thanks, Johannes