NVMe: Use user defined admin ioctl timeout

Signed-off-by: NKeith Busch <keith.busch@intel.com>
Signed-off-by: NMatthew Wilcox <matthew.r.wilcox@intel.com>

drivers/block/nvme-core.c

@@ -1392,6 +1392,7 @@ static int nvme_user_admin_cmd(struct nvme_dev *dev,
 	struct nvme_command c;
 	int status, length;
 	struct nvme_iod *uninitialized_var(iod);
+	unsigned timeout;
 
 	if (!capable(CAP_SYS_ADMIN))
 		return -EACCES;
@@ -1421,10 +1422,13 @@ static int nvme_user_admin_cmd(struct nvme_dev *dev,
 								GFP_KERNEL);
 	}
 
+	timeout = cmd.timeout_ms ? msecs_to_jiffies(cmd.timeout_ms) :
+								ADMIN_TIMEOUT;
 	if (length != cmd.data_len)
 		status = -ENOMEM;
 	else
-		status = nvme_submit_admin_cmd(dev, &c, &cmd.result);
+		status = nvme_submit_sync_cmd(dev->queues[0], &c, &cmd.result,
+								timeout);
 
 	if (cmd.data_len) {
 		nvme_unmap_user_pages(dev, cmd.opcode & 1, iod);