On Thu, Sep 05, 2019 at 03:48:49PM -0400, Vivek Goyal wrote:
> +static void virtio_fs_drain_queue(struct virtio_fs_vq *fsvq)
> +{
> + WARN_ON(fsvq->in_flight < 0);
> +
> + /* 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);
> + }I think all contexts that call this allow sleeping so we could avoid usleep here.
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