write in 30M

hc

2024-02-20 ea08eeccae9297f7aabd2ef7f0c2517ac4549acc

 kernel/drivers/block/zram/zcomp.h
..
..
@@ -1,16 +1,15 @@
1
+/* SPDX-License-Identifier: GPL-2.0-or-later */
1
2
 /*
2
3
  * Copyright (C) 2014 Sergey Senozhatsky.
3
- *
4
- * This program is free software; you can redistribute it and/or
5
- * modify it under the terms of the GNU General Public License
6
- * as published by the Free Software Foundation; either version
7
- * 2 of the License, or (at your option) any later version.
8
4
  */
9
5
 
10
6
 #ifndef _ZCOMP_H_
11
7
 #define _ZCOMP_H_
8
+#include <linux/local_lock.h>
12
9
 
13
10
 struct zcomp_strm {
11
+	/* The members ->buffer and ->tfm are protected by ->lock. */
12
+	local_lock_t lock;
14
13
 	/* compression/decompression buffer */
15
14
 	void *buffer;
16
15
 	struct crypto_comp *tfm;
..
..
@@ -18,7 +17,7 @@
18
17
 
19
18
 /* dynamic per-device compression frontend */
20
19
 struct zcomp {
21
-	struct zcomp_strm * __percpu *stream;
20
+	struct zcomp_strm __percpu *stream;
22
21
 	const char *name;
23
22
 	struct hlist_node node;
24
23
 };