Lines Matching refs:io_mutex
89 * The semaphore devc->io_mutex serializes PCM I/O syscalls. This
1441 * devc->io_mutex protects: swstate, sw_*, swb_[iu]_idx.
1445 * combination of devc->open_mutex and devc->io_mutex.
1502 struct mutex io_mutex;
1615 * Locking: called with devc->io_mutex held.
2301 mutex_lock(&devc->io_mutex);
2303 mutex_unlock(&devc->io_mutex);
2376 mutex_lock(&devc->io_mutex);
2378 mutex_unlock(&devc->io_mutex);
2873 mutex_lock(&devc->io_mutex);
2875 mutex_unlock(&devc->io_mutex);
2942 mutex_lock(&devc->io_mutex);
2969 mutex_unlock(&devc->io_mutex);
2987 mutex_lock(&devc->io_mutex);
3004 mutex_unlock(&devc->io_mutex);
3358 mutex_init(&devc->io_mutex);