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Subject: Re: [virtio] [PATCH 2/4] virtio-blk: clarify what seg_max and size_max are for
On Mon, Sep 10, 2018 at 10:35:43AM +0200, Paolo Bonzini wrote: > On 28/08/2018 16:00, Michael S. Tsirkin wrote: > >> +\item[VIRTIO_BLK_F_SEG_MAX (2)] Maximum number of descriptors in the > >> + data portion of a request ("segments") is in \field{seg_max}. > >> > >> \item[VIRTIO_BLK_F_GEOMETRY (4)] Disk-style geometry specified in > >> \field{geometry}. > > So it's a bit of a mess. For example when you count descriptors with an > > indirect descriptor you don't count the pointer. Split and packed ring > > terminology also differ. We need to have a definition in the common > > part. Up to cleaning this up? > > Sure, but can it be done as a follow-up? > > Thanks, > > Paolo Well I'm just not sure this patch clarifies anything as is. -- MST
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