nvme-pci: Sync queues on reset

[mirror_ubuntu-bionic-kernel.git] / drivers / nvme / host / core.c

diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 29978c7595872754c9179c159fbde1d114135a03..2602830eb9f461978c24c1d0ec0a74e10efcf2e9 100644 (file)
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -3474,6 +3474,17 @@ int nvme_reinit_tagset(struct nvme_ctrl *ctrl, struct blk_mq_tag_set *set)
 }
 EXPORT_SYMBOL_GPL(nvme_reinit_tagset);
 
+void nvme_sync_queues(struct nvme_ctrl *ctrl)
+{
+       struct nvme_ns *ns;
+
+       mutex_lock(&ctrl->namespaces_mutex);
+       list_for_each_entry(ns, &ctrl->namespaces, list)
+               blk_sync_queue(ns->queue);
+       mutex_unlock(&ctrl->namespaces_mutex);
+}
+EXPORT_SYMBOL_GPL(nvme_sync_queues);
+
 int __init nvme_core_init(void)
 {
        int result;