diff options
Diffstat (limited to 'include/linux/rwbase_rt.h')
-rw-r--r-- | include/linux/rwbase_rt.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/include/linux/rwbase_rt.h b/include/linux/rwbase_rt.h index 1d264dd08625..29c4e4f243e4 100644 --- a/include/linux/rwbase_rt.h +++ b/include/linux/rwbase_rt.h @@ -26,12 +26,17 @@ struct rwbase_rt { } while (0) -static __always_inline bool rw_base_is_locked(struct rwbase_rt *rwb) +static __always_inline bool rw_base_is_locked(const struct rwbase_rt *rwb) { return atomic_read(&rwb->readers) != READER_BIAS; } -static __always_inline bool rw_base_is_contended(struct rwbase_rt *rwb) +static inline void rw_base_assert_held_write(const struct rwbase_rt *rwb) +{ + WARN_ON(atomic_read(&rwb->readers) != WRITER_BIAS); +} + +static __always_inline bool rw_base_is_contended(const struct rwbase_rt *rwb) { return atomic_read(&rwb->readers) > 0; } |