From: Bart Van Assche <[email protected]> Make it possible for the compiler to verify the consistency of the format string passed to __bch_check_keys() and the arguments that should be formatted according to that format string.
Signed-off-by: Bart Van Assche <[email protected]> Reviewed-by: Michael Lyle <[email protected]> --- drivers/md/bcache/bset.h | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/md/bcache/bset.h b/drivers/md/bcache/bset.h index fa506c1aa524..0c24280f3b98 100644 --- a/drivers/md/bcache/bset.h +++ b/drivers/md/bcache/bset.h @@ -531,14 +531,15 @@ int __bch_keylist_realloc(struct keylist *, unsigned); #ifdef CONFIG_BCACHE_DEBUG int __bch_count_data(struct btree_keys *); -void __bch_check_keys(struct btree_keys *, const char *, ...); +void __printf(2, 3) __bch_check_keys(struct btree_keys *, const char *, ...); void bch_dump_bset(struct btree_keys *, struct bset *, unsigned); void bch_dump_bucket(struct btree_keys *); #else static inline int __bch_count_data(struct btree_keys *b) { return -1; } -static inline void __bch_check_keys(struct btree_keys *b, const char *fmt, ...) {} +static inline void __printf(2, 3) + __bch_check_keys(struct btree_keys *b, const char *fmt, ...) {} static inline void bch_dump_bucket(struct btree_keys *b) {} void bch_dump_bset(struct btree_keys *, struct bset *, unsigned); -- 2.14.1
