Wait for termination of all pending requests in clear endpoint
operation, otherwise you cannot reset virtio devices safely.
Signed-off-by: Asias He <as...@redhat.com>
---
drivers/vhost/tcm_vhost.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/vhost/tcm_vhost.c b/drivers/vhost/tcm_vhost.c
index 5f8342c..4b0cb12 100644
--- a/drivers/vhost/tcm_vhost.c
+++ b/drivers/vhost/tcm_vhost.c
@@ -1152,9 +1152,13 @@ static int vhost_scsi_clear_endpoint(
tv_tpg->tv_tpg_vhost_count--;
tv_tpg->vhost_scsi = NULL;
vs->vs_tpg[target] = NULL;
+ /* After this, no further requests can be queued */
vs->vs_endpoint = false;
mutex_unlock(&tv_tpg->tv_tpg_mutex);
}
+ /* Flush the pending requests and wait for them to finish */
+ vhost_scsi_flush(vs);
+
mutex_unlock(&vs->dev.mutex);
return 0;
--
1.8.1.4
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