NFS: Clean up generic file read tracepoints

[linux.git] / block / elevator.c

diff --git a/block/elevator.c b/block/elevator.c
index 076ba7308e65c34a8e4abd1df484d7388b8a4494..4eab3d70e880aff0ab1806aff8b3d1685880e61c 100644 (file)
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -832,3 +832,12 @@ struct request *elv_rb_latter_request(struct request_queue *q,
        return NULL;
 }
 EXPORT_SYMBOL(elv_rb_latter_request);
+
+static int __init elevator_setup(char *str)
+{
+       pr_warn("Kernel parameter elevator= does not have any effect anymore.\n"
+               "Please use sysfs to set IO scheduler for individual devices.\n");
+       return 1;
+}
+
+__setup("elevator=", elevator_setup);