Lines Matching refs:io_mutex
89 * The semaphore devc->io_mutex serializes PCM I/O syscalls. This
1442 * devc->io_mutex protects: swstate, sw_*, swb_[iu]_idx.
1446 * combination of devc->open_mutex and devc->io_mutex.
1503 struct mutex io_mutex;
1616 * Locking: called with devc->io_mutex held.
2302 mutex_lock(&devc->io_mutex);
2304 mutex_unlock(&devc->io_mutex);
2377 mutex_lock(&devc->io_mutex);
2379 mutex_unlock(&devc->io_mutex);
2875 mutex_lock(&devc->io_mutex);
2877 mutex_unlock(&devc->io_mutex);
2950 mutex_lock(&devc->io_mutex);
2977 mutex_unlock(&devc->io_mutex);
2996 mutex_lock(&devc->io_mutex);
3013 mutex_unlock(&devc->io_mutex);
3371 mutex_init(&devc->io_mutex);