On Thu, Jun 06, 2019 at 02:06:46PM -0700, Liu Bo wrote:
[..]
> > +static void virtio_fs_flush_hiprio_queue(struct virtio_fs_vq *fsvq)
> > +{
> > + struct virtio_fs_forget *forget;
> > +
> > + WARN_ON(fsvq->in_flight < 0);
> > +
> > + /* Go through pending forget reuests and free them */
> > + spin_lock(&fsvq->lock);
> > + while(1) {
> > + forget = list_first_entry_or_null(&fsvq->queued_reqs,
> > + struct virtio_fs_forget, list);
> > + if (!forget)
> > + break;
> > + kfree(forget);
> > + }
> > +
> > + spin_unlock(&fsvq->lock);
> > +
> > + /* Wait for in flight requests to finish.*/
> > + while (1) {
> > + spin_lock(&fsvq->lock);
> > + if (!fsvq->in_flight) {
> > + spin_unlock(&fsvq->lock);
> > + break;
> > + }
> > + spin_unlock(&fsvq->lock);
> > + usleep_range(1000, 2000);
>
> Looks like #include <linux/delay.h> is also needed in order to pass
> building.
Its already there.
https://gitlab.com/virtio-fs/linux/blob/virtio-fs-dev/fs/fuse/virtio_fs.c#L14
Vivek
