xref: /freebsd/sys/contrib/openzfs/include/os/linux/kernel/linux/workqueue_compat.h (revision 22649d4dba730d46244fd2dff4fd174903c8379f)
1 // SPDX-License-Identifier: CDDL-1.0
2 /*
3  * This file and its contents are supplied under the terms of the
4  * Common Development and Distribution License ("CDDL"), version 1.0.
5  * You may only use this file in accordance with the terms of version
6  * 1.0 of the CDDL.
7  *
8  * A full copy of the text of the CDDL should have accompanied this
9  * source.  A copy of the CDDL is also available via the Internet at
10  * https://opensource.org/license/CDDL-1.0.
11  */
12 
13 /*
14  * Copyright (c) 2026, TrueNAS.
15  */
16 
17 #ifndef _ZFS_WORKQUEUE_COMPAT_H
18 #define	_ZFS_WORKQUEUE_COMPAT_H
19 
20 /*
21  * Forcibly flush the kernel's "delayed work" workqueue.
22  */
23 #ifdef HAVE_FLUSH_DELAY_WORKQUEUE_INTERNAL
24 /*
25  * Linux 5.19: flush_workqueue() on system workqueues is a compile error, use
26  *              __flush_workqueue() instead.
27  */
28 #ifdef HAVE_FLUSH_DELAY_WORKQUEUE_PERCPU
29 /*
30  * Linux 6.17: system_percpu_wq introduced as direct replacement for system_wq,
31  *             and takes over as the delay workqueue.
32  */
33 #define	zpl_flush_delay_workqueue()	__flush_workqueue(system_percpu_wq)
34 #else
35 #define	zpl_flush_delay_workqueue()	__flush_workqueue(system_wq)
36 #endif
37 #else
38 #define	zpl_flush_delay_workqueue()	flush_workqueue(system_wq)
39 #endif
40 
41 #endif
42