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authorDavid Howells <dhowells@redhat.com>2010-08-12 11:54:57 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-12 12:51:35 -0400
commit12fdff3fc2483f906ae6404a6e8dcf2550310b6f (patch)
treea79fb1365fce7c7529655a8802d6d6bf8509b374 /fs/fscache
parent1490cf5f0cb07dd49cdab4bceb769d7f711d7ca6 (diff)
Add a dummy printk function for the maintenance of unused printks
Add a dummy printk function for the maintenance of unused printks through gcc format checking, and also so that side-effect checking is maintained too. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/fscache')
-rw-r--r--fs/fscache/internal.h14
1 files changed, 4 insertions, 10 deletions
diff --git a/fs/fscache/internal.h b/fs/fscache/internal.h
index 6a026441c5a..f6aad48d38a 100644
--- a/fs/fscache/internal.h
+++ b/fs/fscache/internal.h
@@ -321,17 +321,11 @@ void fscache_put_context(struct fscache_cookie *cookie, void *context)
321#define dbgprintk(FMT, ...) \ 321#define dbgprintk(FMT, ...) \
322 printk(KERN_DEBUG "[%-6.6s] "FMT"\n", current->comm, ##__VA_ARGS__) 322 printk(KERN_DEBUG "[%-6.6s] "FMT"\n", current->comm, ##__VA_ARGS__)
323 323
324/* make sure we maintain the format strings, even when debugging is disabled */
325static inline __attribute__((format(printf, 1, 2)))
326void _dbprintk(const char *fmt, ...)
327{
328}
329
330#define kenter(FMT, ...) dbgprintk("==> %s("FMT")", __func__, ##__VA_ARGS__) 324#define kenter(FMT, ...) dbgprintk("==> %s("FMT")", __func__, ##__VA_ARGS__)
331#define kleave(FMT, ...) dbgprintk("<== %s()"FMT"", __func__, ##__VA_ARGS__) 325#define kleave(FMT, ...) dbgprintk("<== %s()"FMT"", __func__, ##__VA_ARGS__)
332#define kdebug(FMT, ...) dbgprintk(FMT, ##__VA_ARGS__) 326#define kdebug(FMT, ...) dbgprintk(FMT, ##__VA_ARGS__)
333 327
334#define kjournal(FMT, ...) _dbprintk(FMT, ##__VA_ARGS__) 328#define kjournal(FMT, ...) no_printk(FMT, ##__VA_ARGS__)
335 329
336#ifdef __KDEBUG 330#ifdef __KDEBUG
337#define _enter(FMT, ...) kenter(FMT, ##__VA_ARGS__) 331#define _enter(FMT, ...) kenter(FMT, ##__VA_ARGS__)
@@ -358,9 +352,9 @@ do { \
358} while (0) 352} while (0)
359 353
360#else 354#else
361#define _enter(FMT, ...) _dbprintk("==> %s("FMT")", __func__, ##__VA_ARGS__) 355#define _enter(FMT, ...) no_printk("==> %s("FMT")", __func__, ##__VA_ARGS__)
362#define _leave(FMT, ...) _dbprintk("<== %s()"FMT"", __func__, ##__VA_ARGS__) 356#define _leave(FMT, ...) no_printk("<== %s()"FMT"", __func__, ##__VA_ARGS__)
363#define _debug(FMT, ...) _dbprintk(FMT, ##__VA_ARGS__) 357#define _debug(FMT, ...) no_printk(FMT, ##__VA_ARGS__)
364#endif 358#endif
365 359
366/* 360/*