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_dbg_ktype; /* debug */
11extern const struct kobj_type xfs_log_ktype; /* xlog */
12extern const struct kobj_type xfs_stats_ktype; /* stats */
13
14static inline struct xfs_kobj *
15to_kobj(struct kobject *kobject)
16{
17 return container_of(kobject, struct xfs_kobj, kobject);
18}
19
20static inline void
21xfs_sysfs_release(struct kobject *kobject)
22{
23 struct xfs_kobj *kobj = to_kobj(kobject);
24 complete(&kobj->complete);
25}
26
27static inline int
28xfs_sysfs_init(
29 struct xfs_kobj *kobj,
30 const struct kobj_type *ktype,
31 struct xfs_kobj *parent_kobj,
32 const char *name)
33{
34 struct kobject *parent;
35 int err;
36
37 parent = parent_kobj ? &parent_kobj->kobject : NULL;
38 init_completion(x: &kobj->complete);
39 err = kobject_init_and_add(kobj: &kobj->kobject, ktype, parent, fmt: "%s", name);
40 if (err)
41 kobject_put(kobj: &kobj->kobject);
42
43 return err;
44}
45
46static inline void
47xfs_sysfs_del(
48 struct xfs_kobj *kobj)
49{
50 kobject_del(kobj: &kobj->kobject);
51 kobject_put(kobj: &kobj->kobject);
52 wait_for_completion(&kobj->complete);
53}
54
55int xfs_mount_sysfs_init(struct xfs_mount *mp);
56void xfs_mount_sysfs_del(struct xfs_mount *mp);
57
58#endif /* __XFS_SYSFS_H__ */
59

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