Lines Matching defs:mutex

44 static inline struct mutex *kernfs_open_file_mutex_ptr(struct kernfs_node *kn)
49 static inline struct mutex *kernfs_open_file_mutex_lock(struct kernfs_node *kn)
93  * the caller guarantees that this mutex is being held, other updaters can't
162 	 * @of->mutex nests outside active ref and is primarily to ensure that
165 	mutex_lock(&of->mutex);
207 	mutex_unlock(&of->mutex);
248 	 * @of->mutex nests outside active ref and is used both to ensure that
251 	mutex_lock(&of->mutex);
254 		mutex_unlock(&of->mutex);
267 	mutex_unlock(&of->mutex);
333 	 * @of->mutex nests outside active ref and is used both to ensure that
336 	mutex_lock(&of->mutex);
338 		mutex_unlock(&of->mutex);
350 	mutex_unlock(&of->mutex);
457 	 * mmap path and of->mutex are prone to triggering spurious lockdep
460 	 * without grabbing @of->mutex by testing HAS_MMAP flag.  See the
466 	mutex_lock(&of->mutex);
506 	mutex_unlock(&of->mutex);
529 	struct mutex *mutex;
531 	mutex = kernfs_open_file_mutex_lock(kn);
538 			mutex_unlock(mutex);
551 	mutex_unlock(mutex);
574 	struct mutex *mutex;
576 	mutex = kernfs_open_file_mutex_lock(kn);
580 		mutex_unlock(mutex);
600 	mutex_unlock(mutex);
640 	 * @of->mutex for files which implement mmap.  This is a rather
642 	 * mm->mmap_lock - mmap nests @of->mutex under mm->mmap_lock and
644 	 * which mm->mmap_lock nests, while holding @of->mutex.  As each
645 	 * open file has a separate mutex, it's okay as long as those don't
656 	 * look that way and give @of->mutex different static lockdep keys.
659 		mutex_init(&of->mutex);
661 		mutex_init(&of->mutex);
663 		mutex_init(&of->mutex);
716 		/* nobody has access to @of yet, skip @of->mutex */
745 	 * @kernfs_open_file_mutex_ptr(kn) is enough. @of->mutex can't be used
769 		struct mutex *mutex;
771 		mutex = kernfs_open_file_mutex_lock(kn);
773 		mutex_unlock(mutex);
808 	struct mutex *mutex;
810 	mutex = kernfs_open_file_mutex_lock(kn);
813 		mutex_unlock(mutex);
831 	mutex_unlock(mutex);
885 	 * @of->mutex nests outside active ref and is primarily to ensure that
888 	mutex_lock(&of->mutex);
890 		mutex_unlock(&of->mutex);
901 	mutex_unlock(&of->mutex);