Stefano Garzarella <sgarz...@redhat.com> writes: > On Sat, May 27, 2023 at 07:56:13AM +0200, Markus Armbruster wrote: >>Stefano Garzarella <sgarz...@redhat.com> writes: >> >>> The virtio-blk-vhost-vdpa driver in libblkio 1.3.0 supports the fd >>> passing through the new 'fd' property. >>> >>> Since now we are using qemu_open() on '@path' if the virtio-blk driver >>> supports the fd passing, let's announce it. >>> In this way, the management layer can pass the file descriptor of an >>> already opened vhost-vdpa character device. This is useful especially >>> when the device can only be accessed with certain privileges. >>> >>> Add the '@fdset' feature only when the virtio-blk-vhost-vdpa driver >>> in libblkio supports it. >>> >>> Suggested-by: Markus Armbruster <arm...@redhat.com> >>> Signed-off-by: Stefano Garzarella <sgarz...@redhat.com>
[...] >>> diff --git a/qapi/block-core.json b/qapi/block-core.json >>> index 98d9116dae..1538d84ef4 100644 >>> --- a/qapi/block-core.json >>> +++ b/qapi/block-core.json >>> @@ -3955,10 +3955,16 @@ >>> # >>> # @path: path to the vhost-vdpa character device. >>> # >>> +# Features: >>> +# @fdset: Member @path supports the special "/dev/fdset/N" path (since 8.1) >> >>Slightly long line, break it like this: >> >> # @fdset: Member @path supports the special "/dev/fdset/N" path >> # since 8.1) >> > > Sure, I'll fix it! > For the future, what is the maximum column? 70. Going over is okay if it improves legibility. However, when I reformatted the doc comments, I did not need to even once. [...]