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 const struct kobj_type xfs_mp_ktype; /* xfs_mount */
11extern const struct kobj_type xfs_dbg_ktype; /* debug */
12extern const struct kobj_type xfs_log_ktype; /* xlog */
13extern const 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 const 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(x: &kobj->complete);
40 err = kobject_init_and_add(kobj: &kobj->kobject, ktype, parent, fmt: "%s", name);
41 if (err)
42 kobject_put(kobj: &kobj->kobject);
43
44 return err;
45}
46
47static inline void
48xfs_sysfs_del(
49 struct xfs_kobj *kobj)
50{
51 kobject_del(kobj: &kobj->kobject);
52 kobject_put(kobj: &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__ */
60

source code of linux/fs/xfs/xfs_sysfs.h