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 const struct kobj_type xfs_mp_ktype; /* xfs_mount */
11 extern const struct kobj_type xfs_dbg_ktype; /* debug */
12 extern const struct kobj_type xfs_log_ktype; /* xlog */
13 extern const struct kobj_type xfs_stats_ktype; /* stats */
14
15 static inline struct xfs_kobj *
to_kobj(struct kobject * kobject)16 to_kobj(struct kobject *kobject)
17 {
18 return container_of(kobject, struct xfs_kobj, kobject);
19 }
20
21 static inline void
xfs_sysfs_release(struct kobject * kobject)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
xfs_sysfs_init(struct xfs_kobj * kobj,const struct kobj_type * ktype,struct xfs_kobj * parent_kobj,const char * name)29 xfs_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(&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
47 static inline void
xfs_sysfs_del(struct xfs_kobj * kobj)48 xfs_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
56 int xfs_error_sysfs_init(struct xfs_mount *mp);
57 void xfs_error_sysfs_del(struct xfs_mount *mp);
58
59 #endif /* __XFS_SYSFS_H__ */
60