1// SPDX-License-Identifier: GPL-2.0
 2/*
 3 * Copyright (c) 2014 Red Hat, Inc.
 4 * All Rights Reserved.
 5 */
 6
 7#ifndef __XFS_SYSFS_H__
 8#define __XFS_SYSFS_H__
 9
10extern struct kobj_type xfs_mp_ktype;	/* xfs_mount */
11extern struct kobj_type xfs_dbg_ktype;	/* debug */
12extern struct kobj_type xfs_log_ktype;	/* xlog */
13extern struct kobj_type xfs_stats_ktype;	/* stats */
14
15static inline struct xfs_kobj *
16to_kobj(struct kobject *kobject)
17{
18	return container_of(kobject, struct xfs_kobj, kobject);
19}
20
21static inline void
22xfs_sysfs_release(struct kobject *kobject)
23{
24	struct xfs_kobj *kobj = to_kobj(kobject);
25	complete(&kobj->complete);
26}
27
28static inline int
29xfs_sysfs_init(
30	struct xfs_kobj		*kobj,
31	struct kobj_type	*ktype,
32	struct xfs_kobj		*parent_kobj,
33	const char		*name)
34{
35	struct kobject		*parent;
36	int err;
37
38	parent = parent_kobj ? &parent_kobj->kobject : NULL;
39	init_completion(&kobj->complete);
40	err = kobject_init_and_add(&kobj->kobject, ktype, parent, "%s", name);
41	if (err)
42		kobject_put(&kobj->kobject);
43
44	return err;
45}
46
47static inline void
48xfs_sysfs_del(
49	struct xfs_kobj	*kobj)
50{
51	kobject_del(&kobj->kobject);
52	kobject_put(&kobj->kobject);
53	wait_for_completion(&kobj->complete);
54}
55
56int	xfs_error_sysfs_init(struct xfs_mount *mp);
57void	xfs_error_sysfs_del(struct xfs_mount *mp);
58
59#endif	/* __XFS_SYSFS_H__ */