diff options
| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2018-04-04 16:11:49 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2018-04-04 16:11:49 -0700 |
| commit | 664b0bae0b87f69bc9deb098f5e0158b9cf18e04 (patch) | |
| tree | d5841492b396ff483723b9339c7c11dc33b67688 /include/linux/mutex.h | |
| parent | 567b9b549cfa1cbc202762ae97b5385c29ade1e3 (diff) | |
| parent | 04bb1719c4de94700056241d4c0fe3c1413f5aff (diff) | |
Merge branch 'next' into for-linus
Prepare input updates for 4.17 merge window.
Diffstat (limited to 'include/linux/mutex.h')
| -rw-r--r-- | include/linux/mutex.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/include/linux/mutex.h b/include/linux/mutex.h index 153274f78402..cb3bbed4e633 100644 --- a/include/linux/mutex.h +++ b/include/linux/mutex.h @@ -66,6 +66,11 @@ struct mutex { #endif }; +/* + * Internal helper function; C doesn't allow us to hide it :/ + * + * DO NOT USE (outside of mutex code). + */ static inline struct task_struct *__mutex_owner(struct mutex *lock) { return (struct task_struct *)(atomic_long_read(&lock->owner) & ~0x07); @@ -138,9 +143,9 @@ extern void __mutex_init(struct mutex *lock, const char *name, * mutex_is_locked - is the mutex locked * @lock: the mutex to be queried * - * Returns 1 if the mutex is locked, 0 if unlocked. + * Returns true if the mutex is locked, false if unlocked. */ -static inline int mutex_is_locked(struct mutex *lock) +static inline bool mutex_is_locked(struct mutex *lock) { /* * XXX think about spin_is_locked |
