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jbd2: avoid -Wempty-body warnings

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Building with 'make W=1' shows a harmless -Wempty-body warning:

fs/jbd2/recovery.c: In function 'fc_do_one_pass':
fs/jbd2/recovery.c:267:75: error: suggest braces around empty body in an 'if' statement [-Werror=empty-body]
  267 |                 jbd_debug(3, "Fast commit replay failed, err = %d\n", err);
      |                                                                           ^

Change the empty dprintk() macros to no_printk(), which avoids this
warning and adds format string checking.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20210322102152.95684-1-arnd@kernel.org
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
Arnd Bergmann 2021-03-22 11:21:38 +01:00 committed by Theodore Ts'o
parent 1ae98e295f
commit d556435156
1 changed files with 1 additions and 1 deletions
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2
include/linux/jbd2.h
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@ -61,7 +61,7 @@ void __jbd2_debug(int level, const char *file, const char *func,
#define jbd_debug(n, fmt, a...) \
__jbd2_debug((n), __FILE__, __func__, __LINE__, (fmt), ##a)
#else
#define jbd_debug(n, fmt, a...) /**/
#define jbd_debug(n, fmt, a...) no_printk(fmt, ##a)
#endif
extern void *jbd2_alloc(size_t size, gfp_t flags);