Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/include/linux/ioprio.h b/include/linux/ioprio.h
index 9e30ed6..e9bfe69 100644
--- a/include/linux/ioprio.h
+++ b/include/linux/ioprio.h
@@ -71,6 +71,19 @@
}
/*
+ * If the calling process has set an I/O priority, use that. Otherwise, return
+ * the default I/O priority.
+ */
+static inline int get_current_ioprio(void)
+{
+ struct io_context *ioc = current->io_context;
+
+ if (ioc)
+ return ioc->ioprio;
+ return IOPRIO_PRIO_VALUE(IOPRIO_CLASS_NONE, 0);
+}
+
+/*
* For inheritance, return the highest of the two given priorities
*/
extern int ioprio_best(unsigned short aprio, unsigned short bprio);