Eric Lee / smarc-fsl-linux-kernel

Blame view

fs/netfs/internal.h 2.41 KB
edit raw normal view history
3d3c95046   David Howells   netfs: Provide re... 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
 
  /* SPDX-License-Identifier: GPL-2.0-or-later */
  /* Internal definitions for network filesystem support
   *
   * Copyright (C) 2021 Red Hat, Inc. All Rights Reserved.
   * Written by David Howells (dhowells@redhat.com)
   */
  
  #ifdef pr_fmt
  #undef pr_fmt
  #endif
  
  #define pr_fmt(fmt) "netfs: " fmt
  
  /*
   * read_helper.c
   */
  extern unsigned int netfs_debug;
289af54cc   David Howells   netfs: Gather stats 
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
 
  /*
   * stats.c
   */
  #ifdef CONFIG_NETFS_STATS
  extern atomic_t netfs_n_rh_readahead;
  extern atomic_t netfs_n_rh_readpage;
  extern atomic_t netfs_n_rh_rreq;
  extern atomic_t netfs_n_rh_sreq;
  extern atomic_t netfs_n_rh_download;
  extern atomic_t netfs_n_rh_download_done;
  extern atomic_t netfs_n_rh_download_failed;
  extern atomic_t netfs_n_rh_download_instead;
  extern atomic_t netfs_n_rh_read;
  extern atomic_t netfs_n_rh_read_done;
  extern atomic_t netfs_n_rh_read_failed;
  extern atomic_t netfs_n_rh_zero;
  extern atomic_t netfs_n_rh_short_read;
  extern atomic_t netfs_n_rh_write;
e1b1240c1   David Howells   netfs: Add write_... 
36
 
  extern atomic_t netfs_n_rh_write_begin;
289af54cc   David Howells   netfs: Gather stats 
37
38
 
  extern atomic_t netfs_n_rh_write_done;
  extern atomic_t netfs_n_rh_write_failed;
e1b1240c1   David Howells   netfs: Add write_... 
39
 
  extern atomic_t netfs_n_rh_write_zskip;
289af54cc   David Howells   netfs: Gather stats 
40
41
42
43
44
45
46
47
48
49
50
51
52
 
  
  
  static inline void netfs_stat(atomic_t *stat)
  {
  	atomic_inc(stat);
  }
  
  static inline void netfs_stat_d(atomic_t *stat)
  {
  	atomic_dec(stat);
  }
  
  #else
3d3c95046   David Howells   netfs: Provide re... 
53
54
 
  #define netfs_stat(x) do {} while(0)
  #define netfs_stat_d(x) do {} while(0)
289af54cc   David Howells   netfs: Gather stats 
55
 
  #endif
3d3c95046   David Howells   netfs: Provide re... 
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
 
  
  /*****************************************************************************/
  /*
   * debug tracing
   */
  #define dbgprintk(FMT, ...) \
  	printk("[%-6.6s] "FMT"
  ", current->comm, ##__VA_ARGS__)
  
  #define kenter(FMT, ...) dbgprintk("==> %s("FMT")", __func__, ##__VA_ARGS__)
  #define kleave(FMT, ...) dbgprintk("<== %s()"FMT"", __func__, ##__VA_ARGS__)
  #define kdebug(FMT, ...) dbgprintk(FMT, ##__VA_ARGS__)
  
  #ifdef __KDEBUG
  #define _enter(FMT, ...) kenter(FMT, ##__VA_ARGS__)
  #define _leave(FMT, ...) kleave(FMT, ##__VA_ARGS__)
  #define _debug(FMT, ...) kdebug(FMT, ##__VA_ARGS__)
  
  #elif defined(CONFIG_NETFS_DEBUG)
  #define _enter(FMT, ...)			\
  do {						\
  	if (netfs_debug)			\
  		kenter(FMT, ##__VA_ARGS__);	\
  } while (0)
  
  #define _leave(FMT, ...)			\
  do {						\
  	if (netfs_debug)			\
  		kleave(FMT, ##__VA_ARGS__);	\
  } while (0)
  
  #define _debug(FMT, ...)			\
  do {						\
  	if (netfs_debug)			\
  		kdebug(FMT, ##__VA_ARGS__);	\
  } while (0)
  
  #else
  #define _enter(FMT, ...) no_printk("==> %s("FMT")", __func__, ##__VA_ARGS__)
  #define _leave(FMT, ...) no_printk("<== %s()"FMT"", __func__, ##__VA_ARGS__)
  #define _debug(FMT, ...) no_printk(FMT, ##__VA_ARGS__)
  #endif