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authorMike Christie <michael.christie@oracle.com>2021-05-25 20:47:30 +0300
committerMichael S. Tsirkin <mst@redhat.com>2021-07-03 11:50:54 +0300
commit31fbea3ab94ea1bf537365e9340d64d216c3c3eb (patch)
treeda3057742e0b347c4914fa91849de910fb311618
parent1465cb6117bafbf998c05b79982903d17d15fe7f (diff)
downloadlinux-31fbea3ab94ea1bf537365e9340d64d216c3c3eb.tar.xz
vhost-scsi: remove extra flushes
The vhost work flush function was flushing the entire work queue, so there is no need for the double vhost_work_dev_flush calls in vhost_scsi_flush. And we do not need to call vhost_poll_flush for each poller because that call also ends up flushing the same work queue thread the vhost_work_dev_flush call flushed. Signed-off-by: Mike Christie <michael.christie@oracle.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Acked-by: Jason Wang <jasowang@redhat.com> Link: https://lore.kernel.org/r/20210525174733.6212-3-michael.christie@oracle.com Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
-rw-r--r--drivers/vhost/scsi.c8
1 files changed, 0 insertions, 8 deletions
diff --git a/drivers/vhost/scsi.c b/drivers/vhost/scsi.c
index 0fd596da1834..b3e6fe9b1767 100644
--- a/drivers/vhost/scsi.c
+++ b/drivers/vhost/scsi.c
@@ -1430,11 +1430,6 @@ static void vhost_scsi_handle_kick(struct vhost_work *work)
vhost_scsi_handle_vq(vs, vq);
}
-static void vhost_scsi_flush_vq(struct vhost_scsi *vs, int index)
-{
- vhost_poll_flush(&vs->vqs[index].vq.poll);
-}
-
/* Callers must hold dev mutex */
static void vhost_scsi_flush(struct vhost_scsi *vs)
{
@@ -1453,9 +1448,6 @@ static void vhost_scsi_flush(struct vhost_scsi *vs)
kref_put(&old_inflight[i]->kref, vhost_scsi_done_inflight);
/* Flush both the vhost poll and vhost work */
- for (i = 0; i < VHOST_SCSI_MAX_VQ; i++)
- vhost_scsi_flush_vq(vs, i);
- vhost_work_dev_flush(&vs->dev);
vhost_work_dev_flush(&vs->dev);
/* Wait for all reqs issued before the flush to be finished */