From bdab18633a302c82b5e5d5dbc4e38b0baf9c0837 Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Sun, 20 Sep 2026 08:15:23 -0700 Subject: Merge tag 'locking-urgent-2026-09-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull futex fix from Ingo Molnar: - Also allocate a default private futex hash on vfork() as well, to avoid races with (private) futex waiters (Peter Zijlstra) * tag 'locking-urgent-2026-09-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: futex: Also allocate private hash on vfork() --- sound/firewire/packets-buffer.h | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 sound/firewire/packets-buffer.h (limited to 'sound/firewire/packets-buffer.h') diff --git a/sound/firewire/packets-buffer.h b/sound/firewire/packets-buffer.h new file mode 100644 index 000000000..99e963c27 --- /dev/null +++ b/sound/firewire/packets-buffer.h @@ -0,0 +1,27 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef SOUND_FIREWIRE_PACKETS_BUFFER_H_INCLUDED +#define SOUND_FIREWIRE_PACKETS_BUFFER_H_INCLUDED + +#include +#include + +/** + * struct iso_packets_buffer - manages a buffer for many packets + * @iso_buffer: the memory containing the packets + * @packets: an array, with each element pointing to one packet + */ +struct iso_packets_buffer { + struct fw_iso_buffer iso_buffer; + struct { + void *buffer; + unsigned int offset; + } *packets; +}; + +int iso_packets_buffer_init(struct iso_packets_buffer *b, struct fw_unit *unit, + unsigned int count, unsigned int packet_size, + enum dma_data_direction direction); +void iso_packets_buffer_destroy(struct iso_packets_buffer *b, + struct fw_unit *unit); + +#endif -- cgit v1.3.1