On Wed, Apr 20, 2022 at 10:50 PM Christoph Hellwig <hch@xxxxxx> wrote: > > On Wed, Apr 20, 2022 at 08:27:26PM -0700, Dan Williams wrote: > > As mentioned here [1], the pain of continuing add new and different > > device-ids for RAID mode to this file [2] has been heard. Ideally this > > device-id would not matter and the class code would remain > > PCI_CLASS_STORAGE_SATA_AHCI regardless of the RAID mode, but other > > operating systems depend on the class code *not* being AHCI when the > > device is in RAID mode. That said, going forward there is little reason > > for new server RAID ids to be added as they can simply reuse one of the > > existing ids even for a new controller. Server software RAID features > > continue to be supported on Linux. Client software RAID features > > continue to be not supported and the recommendation there remains to set > > the device to AHCI mode in platform firmware. > > I thought client switched to vmd as well now? Yes, I believe so, but the RAID metadata and features like caching etc are still forked. > Either way the patch itself looks good: > > Reviewed-by: Christoph Hellwig <hch@xxxxxx> Thanks.