+#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,6,0) || \
+ LTTNG_KERNEL_RANGE(5,5,3, 5,6,0) || \
+ LTTNG_KERNEL_RANGE(5,4,19, 5,5,0))
+static inline const char *lttng_bdi_dev_name(struct backing_dev_info *bdi)
+{
+ return bdi_dev_name(bdi);
+}
+#else
+static inline const char *lttng_bdi_dev_name(struct backing_dev_info *bdi)
+{
+ if (!bdi || !bdi->dev)
+ return "(unknown)";
+ return dev_name(bdi->dev);
+}
+#endif
+