On Wed, Oct 02, 2019 at 09:40:11AM +0200, Miklos Szeredi wrote: > Looking at the ugly retry logic in virtiofs and have some questions. Hi Miklos, What are you thinking w.r.t cleanup of retry logic. As of now we put requests in a list and retry later with the help of a worker. Other option will probably be block the submitter if queue is full. Make it sleep, wake up after a while and retry submission. > First one is, where do these features come from: > > VIRTIO_F_RING_PACKED > VIRTIO_RING_F_INDIRECT_DESC Looks like these feature bits are supposed to be advertised by the device if device supports these capabilities. I see in qemu code that bunch of drivers are advertisig this capability. (virtio_scsi, virtio_blk etc). > > I see that in virtiofs "packed" is off and "indirect" is on. Is this > guaranteed? I can't find specifying any feature bits in vhost-user-fs.c. So we probably are getting a default value. Thanks Vivek _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization
