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