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CIFS: add ONCE flag for cifs_dbg type

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* Since cifs_vfs_error was just using pr_debug_ratelimited like the rest
  of cifs_dbg, move it there too
* Add a ONCE type flag to call the pr_xxx_once() debug function instead
  of the ratelimited ones.

To convert existing printk_once() calls to this we can run:

    perl -i -pE \
      's/printk_once\s*\(([^" \n]+)(.*)/cifs_dbg(VFS|ONCE,$2/g' \
      fs/cifs/*.c

Signed-off-by: Aurelien Aptel <aaptel@suse.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
This commit is contained in:
Aurelien Aptel 2018-04-10 17:01:13 +02:00 committed by Steve French
parent 3995bbf53b
commit f2f176b418
2 changed files with 22 additions and 29 deletions
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17
fs/cifs/cifs_debug.c
View File

@ -42,23 +42,6 @@ cifs_dump_mem(char *label, void *data, int length)
data, length, true);
}
#ifdef CONFIG_CIFS_DEBUG
void cifs_vfs_err(const char *fmt, ...)
{
struct va_format vaf;
va_list args;
va_start(args, fmt);
vaf.fmt = fmt;
vaf.va = &args;
pr_err_ratelimited("CIFS VFS: %pV", &vaf);
va_end(args);
}
#endif
void cifs_dump_detail(void *buf)
{
#ifdef CONFIG_CIFS_DEBUG2

34
fs/cifs/cifs_debug.h
View File

@ -39,6 +39,7 @@ extern int cifsFYI;
#else
#define NOISY 0
#endif
#define ONCE 8
/*
* debug ON
@ -46,19 +47,28 @@ extern int cifsFYI;
*/
#ifdef CONFIG_CIFS_DEBUG
__printf(1, 2) void cifs_vfs_err(const char *fmt, ...);
/* information message: e.g., configuration, major event */
#define cifs_dbg(type, fmt, ...) \
do { \
if (type == FYI && cifsFYI & CIFS_INFO) { \
pr_debug_ratelimited("%s: " \
fmt, __FILE__, ##__VA_ARGS__); \
} else if (type == VFS) { \
cifs_vfs_err(fmt, ##__VA_ARGS__); \
} else if (type == NOISY && type != 0) { \
pr_debug_ratelimited(fmt, ##__VA_ARGS__); \
} \
#define cifs_dbg_func(ratefunc, type, fmt, ...) \
do { \
if ((type) & FYI && cifsFYI & CIFS_INFO) { \
pr_debug_ ## ratefunc("%s: " \
fmt, __FILE__, ##__VA_ARGS__); \
} else if ((type) & VFS) { \
pr_err_ ## ratefunc("CuIFS VFS: " \
fmt, ##__VA_ARGS__); \
} else if ((type) & NOISY && (NOISY != 0)) { \
pr_debug_ ## ratefunc(fmt, ##__VA_ARGS__); \
} \
} while (0)
#define cifs_dbg(type, fmt, ...) \
do { \
if ((type) & ONCE) \
cifs_dbg_func(once, \
type, fmt, ##__VA_ARGS__); \
else \
cifs_dbg_func(ratelimited, \
type, fmt, ##__VA_ARGS__); \
} while (0)
/*