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Diffstat (limited to 'hw/block/nvme.c')
-rw-r--r--hw/block/nvme.c23
1 files changed, 21 insertions, 2 deletions
diff --git a/hw/block/nvme.c b/hw/block/nvme.c
index 65bb2cfc21..624a1431d0 100644
--- a/hw/block/nvme.c
+++ b/hw/block/nvme.c
@@ -470,6 +470,7 @@ static void nvme_req_clear(NvmeRequest *req)
{
req->ns = NULL;
req->opaque = NULL;
+ req->aiocb = NULL;
memset(&req->cqe, 0x0, sizeof(req->cqe));
req->status = NVME_SUCCESS;
}
@@ -3687,6 +3688,7 @@ static uint16_t nvme_del_sq(NvmeCtrl *n, NvmeRequest *req)
NvmeSQueue *sq;
NvmeCQueue *cq;
uint16_t qid = le16_to_cpu(c->qid);
+ uint32_t nsid;
if (unlikely(!qid || nvme_check_sqid(n, qid))) {
trace_pci_nvme_err_invalid_del_sq(qid);
@@ -3698,9 +3700,26 @@ static uint16_t nvme_del_sq(NvmeCtrl *n, NvmeRequest *req)
sq = n->sq[qid];
while (!QTAILQ_EMPTY(&sq->out_req_list)) {
r = QTAILQ_FIRST(&sq->out_req_list);
- assert(r->aiocb);
- blk_aio_cancel(r->aiocb);
+ if (r->aiocb) {
+ blk_aio_cancel(r->aiocb);
+ }
+ }
+
+ /*
+ * Drain all namespaces if there are still outstanding requests that we
+ * could not cancel explicitly.
+ */
+ if (!QTAILQ_EMPTY(&sq->out_req_list)) {
+ for (nsid = 1; nsid <= NVME_MAX_NAMESPACES; nsid++) {
+ NvmeNamespace *ns = nvme_ns(n, nsid);
+ if (ns) {
+ nvme_ns_drain(ns);
+ }
+ }
}
+
+ assert(QTAILQ_EMPTY(&sq->out_req_list));
+
if (!nvme_check_cqid(n, sq->cqid)) {
cq = n->cq[sq->cqid];
QTAILQ_REMOVE(&cq->sq_list, sq, entry);