include/linux/ceph/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, ...)        do {                            \
  31                 if (0)                                          \
  32                         printk(KERN_DEBUG fmt, ##__VA_ARGS__);  \
  33         } while (0)
  34 #  define doutc(client, fmt, ...)       do {                    \
  35                 if (0)                                          \
  36                         printk(KERN_DEBUG "[%pU %llu] " fmt,    \
  37                         &client->fsid,                          \
  38                         client->monc.auth->global_id,           \
  39                         ##__VA_ARGS__);                         \
  40                 } while (0)
  41 # endif
  42
  43 #else
  44
  45 /*
  46  * or, just wrap pr_debug
  47  */
  48 # define dout(fmt, ...) pr_debug(" " fmt, ##__VA_ARGS__)
  49 # define doutc(client, fmt, ...)                                        \
  50         pr_debug(" [%pU %llu] %s: " fmt, &client->fsid,                 \
  51                  client->monc.auth->global_id, __func__, ##__VA_ARGS__)
  52
  53 #endif
  54
  55 #define pr_notice_client(client, fmt, ...)                              \
  56         pr_notice("[%pU %llu]: " fmt, &client->fsid,                    \
  57                   client->monc.auth->global_id, ##__VA_ARGS__)
  58 #define pr_info_client(client, fmt, ...)                                \
  59         pr_info("[%pU %llu]: " fmt, &client->fsid,                      \
  60                 client->monc.auth->global_id, ##__VA_ARGS__)
  61 #define pr_warn_client(client, fmt, ...)                                \
  62         pr_warn("[%pU %llu]: " fmt, &client->fsid,                      \
  63                 client->monc.auth->global_id, ##__VA_ARGS__)
  64 #define pr_warn_once_client(client, fmt, ...)                           \
  65         pr_warn_once("[%pU %llu]: " fmt, &client->fsid,                 \
  66                      client->monc.auth->global_id, ##__VA_ARGS__)
  67 #define pr_err_client(client, fmt, ...)                                 \
  68         pr_err("[%pU %llu]: " fmt, &client->fsid,                       \
  69                client->monc.auth->global_id, ##__VA_ARGS__)
  70 #define pr_warn_ratelimited_client(client, fmt, ...)                    \
  71         pr_warn_ratelimited("[%pU %llu]: " fmt, &client->fsid,          \
  72                             client->monc.auth->global_id, ##__VA_ARGS__)
  73 #define pr_err_ratelimited_client(client, fmt, ...)                     \
  74         pr_err_ratelimited("[%pU %llu]: " fmt, &client->fsid,           \
  75                            client->monc.auth->global_id, ##__VA_ARGS__)
  76
  77 #endif