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 struct kobj_type xfs_mp_ktype; /* xfs_mount */ 11 extern struct kobj_type xfs_dbg_ktype; /* debug */ 12 extern struct kobj_type xfs_log_ktype; /* xlog */ 13 extern struct kobj_type xfs_stats_ktype; /* stats */ 14 15 static inline struct xfs_kobj * 16 to_kobj(struct kobject *kobject) 17 { 18 return container_of(kobject, struct xfs_kobj, kobject); 19 } 20 21 static inline void 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 29 xfs_sysfs_init( 30 struct xfs_kobj *kobj, 31 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 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