ceph_debug.h

 1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef _FS_CEPH_DEBUG_H
 3#define _FS_CEPH_DEBUG_H
 4
 5#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 6
 7#include <linux/string.h>
 8
 9#ifdef CONFIG_CEPH_LIB_PRETTYDEBUG
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)
18#  define dout(fmt, ...)						\
19	pr_debug("%.*s %12.12s:%-4d : " fmt,				\
20		 8 - (int)sizeof(KBUILD_MODNAME), "    ",		\
21		 kbasename(__FILE__), __LINE__, ##__VA_ARGS__)
22#  define doutc(client, fmt, ...)					\
23	pr_debug("%.*s %12.12s:%-4d : [%pU %llu] " fmt,			\
24		 8 - (int)sizeof(KBUILD_MODNAME), "    ",		\
25		 kbasename(__FILE__), __LINE__,				\
26		 &client->fsid, client->monc.auth->global_id,		\
27		 ##__VA_ARGS__)
28# else
29/* faux printk call just to see any compiler warnings. */
30#  define dout(fmt, ...)					\
31		no_printk(KERN_DEBUG fmt, ##__VA_ARGS__)
32#  define doutc(client, fmt, ...)				\
33		no_printk(KERN_DEBUG "[%pU %llu] " fmt,		\
34			  &client->fsid,			\
35			  client->monc.auth->global_id,		\
36			  ##__VA_ARGS__)
37# endif
38
39#else
40
41/*
42 * or, just wrap pr_debug
43 */
44# define dout(fmt, ...)	pr_debug(" " fmt, ##__VA_ARGS__)
45# define doutc(client, fmt, ...)					\
46	pr_debug(" [%pU %llu] %s: " fmt, &client->fsid,			\
47		 client->monc.auth->global_id, __func__, ##__VA_ARGS__)
48
49#endif
50
51#define pr_notice_client(client, fmt, ...)				\
52	pr_notice("[%pU %llu]: " fmt, &client->fsid,			\
53		  client->monc.auth->global_id, ##__VA_ARGS__)
54#define pr_info_client(client, fmt, ...)				\
55	pr_info("[%pU %llu]: " fmt, &client->fsid,			\
56		client->monc.auth->global_id, ##__VA_ARGS__)
57#define pr_warn_client(client, fmt, ...)				\
58	pr_warn("[%pU %llu]: " fmt, &client->fsid,			\
59		client->monc.auth->global_id, ##__VA_ARGS__)
60#define pr_warn_once_client(client, fmt, ...)				\
61	pr_warn_once("[%pU %llu]: " fmt, &client->fsid,			\
62		     client->monc.auth->global_id, ##__VA_ARGS__)
63#define pr_err_client(client, fmt, ...)					\
64	pr_err("[%pU %llu]: " fmt, &client->fsid,			\
65	       client->monc.auth->global_id, ##__VA_ARGS__)
66#define pr_warn_ratelimited_client(client, fmt, ...)			\
67	pr_warn_ratelimited("[%pU %llu]: " fmt, &client->fsid,		\
68			    client->monc.auth->global_id, ##__VA_ARGS__)
69#define pr_err_ratelimited_client(client, fmt, ...)			\
70	pr_err_ratelimited("[%pU %llu]: " fmt, &client->fsid,		\
71			   client->monc.auth->global_id, ##__VA_ARGS__)
72
73#endif