GNU Linux-libre 5.19-rc6-gnu
[releases.git] / fs / xfs / xfs_sysfs.h
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
10 extern struct kobj_type xfs_mp_ktype;   /* xfs_mount */
11 extern struct kobj_type xfs_dbg_ktype;  /* debug */
12 extern struct kobj_type xfs_log_ktype;  /* xlog */
13 extern struct kobj_type xfs_stats_ktype;        /* stats */
14
15 static inline struct xfs_kobj *
16 to_kobj(struct kobject *kobject)
17 {
18         return container_of(kobject, struct xfs_kobj, kobject);
19 }
20
21 static inline void
22 xfs_sysfs_release(struct kobject *kobject)
23 {
24         struct xfs_kobj *kobj = to_kobj(kobject);
25         complete(&kobj->complete);
26 }
27
28 static inline int
29 xfs_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
37         parent = parent_kobj ? &parent_kobj->kobject : NULL;
38         init_completion(&kobj->complete);
39         return kobject_init_and_add(&kobj->kobject, ktype, parent, "%s", name);
40 }
41
42 static inline void
43 xfs_sysfs_del(
44         struct xfs_kobj *kobj)
45 {
46         kobject_del(&kobj->kobject);
47         kobject_put(&kobj->kobject);
48         wait_for_completion(&kobj->complete);
49 }
50
51 int     xfs_error_sysfs_init(struct xfs_mount *mp);
52 void    xfs_error_sysfs_del(struct xfs_mount *mp);
53
54 #endif  /* __XFS_SYSFS_H__ */