License cleanup: add SPDX GPL-2.0 license identifier to files with no license
[linux-2.6-block.git] / include / linux / ceph / ceph_debug.h
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b2441318 1/* SPDX-License-Identifier: GPL-2.0 */
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2#ifndef _FS_CEPH_DEBUG_H
3#define _FS_CEPH_DEBUG_H
4
5#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
6
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7#include <linux/string.h>
8
3d14c5d2 9#ifdef CONFIG_CEPH_LIB_PRETTYDEBUG
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10
11/*
12 * wrap pr_debug to include a filename:lineno prefix on each line.
13 * this incurs some overhead (kernel size and execution time) due to
14 * the extra function call at each call site.
15 */
16
17# if defined(DEBUG) || defined(CONFIG_DYNAMIC_DEBUG)
de57606c 18# define dout(fmt, ...) \
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19 pr_debug("%.*s %12.12s:%-4d : " fmt, \
20 8 - (int)sizeof(KBUILD_MODNAME), " ", \
6f4dbd14 21 kbasename(__FILE__), __LINE__, ##__VA_ARGS__)
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22# else
23/* faux printk call just to see any compiler warnings. */
24# define dout(fmt, ...) do { \
25 if (0) \
26 printk(KERN_DEBUG fmt, ##__VA_ARGS__); \
27 } while (0)
28# endif
29
30#else
31
32/*
33 * or, just wrap pr_debug
34 */
35# define dout(fmt, ...) pr_debug(" " fmt, ##__VA_ARGS__)
36
37#endif
38
39#endif