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_log_ktype; /* xlog */ 24 25 static inline struct xfs_kobj * 26 to_kobj(struct kobject *kobject) 27 { 28 return container_of(kobject, struct xfs_kobj, kobject); 29 } 30 31 static inline void 32 xfs_sysfs_release(struct kobject *kobject) 33 { 34 struct xfs_kobj *kobj = to_kobj(kobject); 35 complete(&kobj->complete); 36 } 37 38 static inline int 39 xfs_sysfs_init( 40 struct xfs_kobj *kobj, 41 struct kobj_type *ktype, 42 struct xfs_kobj *parent_kobj, 43 const char *name) 44 { 45 init_completion(&kobj->complete); 46 return kobject_init_and_add(&kobj->kobject, ktype, 47 &parent_kobj->kobject, "%s", name); 48 } 49 50 static inline void 51 xfs_sysfs_del( 52 struct xfs_kobj *kobj) 53 { 54 kobject_del(&kobj->kobject); 55 kobject_put(&kobj->kobject); 56 wait_for_completion(&kobj->complete); 57 } 58 59 #endif /* __XFS_SYSFS_H__ */ 60