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[PATCH 3/3] block: make noop-iosched.c explicitly non-modular

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  [PATCH 3/3] block: make noop-iosched.c explicitly non-modular Paul Gortmaker <paul.gortmaker@windriver.com> - 2015-12-13 21:10 +0100

#1290682 — [PATCH 3/3] block: make noop-iosched.c explicitly non-modular

The Kconfig currently controlling compilation of this code is:

config IOSCHED_NOOP
  bool
  default y

...meaning that it currently is not being built as a module by anyone.

Lets remove the modular code that is essentially orphaned, so that
when reading the driver there is no doubt it is builtin-only.

Since module_init translates to device_initcall in the non-modular
case, the init ordering remains unchanged with this commit.

We also delete the MODULE_LICENSE tag etc. since all that information
is now contained at the top of the file in the comments.

Cc: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
---
 block/noop-iosched.c | 19 ++++---------------
 1 file changed, 4 insertions(+), 15 deletions(-)

diff --git a/block/noop-iosched.c b/block/noop-iosched.c
index a163c487cf38..09f089ee7668 100644
--- a/block/noop-iosched.c
+++ b/block/noop-iosched.c
@@ -1,10 +1,11 @@
 /*
- * elevator noop
+ * elevator noop: No-op IO scheduler
+ * Author: Jens Axboe
+ * License: GPL
  */
 #include <linux/blkdev.h>
 #include <linux/elevator.h>
 #include <linux/bio.h>
-#include <linux/module.h>
 #include <linux/slab.h>
 #include <linux/init.h>
 
@@ -109,16 +110,4 @@ static int __init noop_init(void)
 {
 	return elv_register(&elevator_noop);
 }
-
-static void __exit noop_exit(void)
-{
-	elv_unregister(&elevator_noop);
-}
-
-module_init(noop_init);
-module_exit(noop_exit);
-
-
-MODULE_AUTHOR("Jens Axboe");
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("No-op IO scheduler");
+device_initcall(noop_init);
-- 
2.6.1

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