These changes are the raw update to linux-4.4.6-rt14. Kernel sources
[kvmfornfv.git] / kernel / fs / xfs / xfs_sysfs.h
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 *
28 to_kobj(struct kobject *kobject)
29 {
30         return container_of(kobject, struct xfs_kobj, kobject);
31 }
32
33 static inline void
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
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         init_completion(&kobj->complete);
48         return kobject_init_and_add(&kobj->kobject, ktype,
49                                     &parent_kobj->kobject, "%s", name);
50 }
51
52 static inline void
53 xfs_sysfs_del(
54         struct xfs_kobj *kobj)
55 {
56         kobject_del(&kobj->kobject);
57         kobject_put(&kobj->kobject);
58         wait_for_completion(&kobj->complete);
59 }
60
61 #endif  /* __XFS_SYSFS_H__ */