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() --- fs/dlm/lockspace.h | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 fs/dlm/lockspace.h (limited to 'fs/dlm/lockspace.h') diff --git a/fs/dlm/lockspace.h b/fs/dlm/lockspace.h new file mode 100644 index 000000000..47ebd4411 --- /dev/null +++ b/fs/dlm/lockspace.h @@ -0,0 +1,37 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/****************************************************************************** +******************************************************************************* +** +** Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. +** Copyright (C) 2004-2005 Red Hat, Inc. All rights reserved. +** +** +******************************************************************************* +******************************************************************************/ + +#ifndef __LOCKSPACE_DOT_H__ +#define __LOCKSPACE_DOT_H__ + +/* DLM_LSFL_FS + * The lockspace user is in the kernel (i.e. filesystem). Enables + * direct bast/cast callbacks. + * + * internal lockspace flag - will be removed in future + */ +#define DLM_LSFL_FS 0x00000004 + +int dlm_lockspace_init(void); +void dlm_lockspace_exit(void); +struct dlm_ls *dlm_find_lockspace_global(uint32_t id); +struct dlm_ls *dlm_find_lockspace_local(void *id); +struct dlm_ls *dlm_find_lockspace_device(int minor); +void dlm_put_lockspace(struct dlm_ls *ls); +void dlm_stop_lockspaces(void); +int dlm_new_user_lockspace(const char *name, const char *cluster, + uint32_t flags, int lvblen, + const struct dlm_lockspace_ops *ops, + void *ops_arg, int *ops_result, + dlm_lockspace_t **lockspace); + +#endif /* __LOCKSPACE_DOT_H__ */ + -- cgit v1.3.1