1 /*
2 * Copyright (c) 2014 Red Hat, Inc.
3 * All Rights Reserved.
4 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License as
7 * published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope that it would be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write the Free Software Foundation,
16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19 #ifndef __XFS_SYSFS_H__
20 #define __XFS_SYSFS_H__
21
22 extern struct kobj_type xfs_mp_ktype; /* xfs_mount */
23 extern struct kobj_type xfs_dbg_ktype; /* debug */
24 extern struct kobj_type xfs_log_ktype; /* xlog */
25 extern struct kobj_type xfs_stats_ktype; /* stats */
26
27 static inline struct xfs_kobj *
to_kobj(struct kobject * kobject)28 to_kobj(struct kobject *kobject)
29 {
30 return container_of(kobject, struct xfs_kobj, kobject);
31 }
32
33 static inline void
xfs_sysfs_release(struct kobject * kobject)34 xfs_sysfs_release(struct kobject *kobject)
35 {
36 struct xfs_kobj *kobj = to_kobj(kobject);
37 complete(&kobj->complete);
38 }
39
40 static inline int
xfs_sysfs_init(struct xfs_kobj * kobj,struct kobj_type * ktype,struct xfs_kobj * parent_kobj,const char * name)41 xfs_sysfs_init(
42 struct xfs_kobj *kobj,
43 struct kobj_type *ktype,
44 struct xfs_kobj *parent_kobj,
45 const char *name)
46 {
47 struct kobject *parent;
48
49 parent = parent_kobj ? &parent_kobj->kobject : NULL;
50 init_completion(&kobj->complete);
51 return kobject_init_and_add(&kobj->kobject, ktype, parent, "%s", name);
52 }
53
54 static inline void
xfs_sysfs_del(struct xfs_kobj * kobj)55 xfs_sysfs_del(
56 struct xfs_kobj *kobj)
57 {
58 kobject_del(&kobj->kobject);
59 kobject_put(&kobj->kobject);
60 wait_for_completion(&kobj->complete);
61 }
62
63 #endif /* __XFS_SYSFS_H__ */
64