// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (c) 2014 Red Hat, Inc.
 * All Rights Reserved.
 */

#ifndef __XFS_SYSFS_H__
#define __XFS_SYSFS_H__

extern const struct kobj_type xfs_dbg_ktype;    /* debug */
extern const struct kobj_type xfs_log_ktype;    /* xlog */
extern const struct kobj_type xfs_stats_ktype;  /* stats */

static inline struct xfs_kobj *
to_kobj(struct kobject *kobject)
{
        return container_of(kobject, struct xfs_kobj, kobject);
}

static inline void
xfs_sysfs_release(struct kobject *kobject)
{
        struct xfs_kobj *kobj = to_kobj(kobject);
        complete(&kobj->complete);
}

static inline int
xfs_sysfs_init(
        struct xfs_kobj         *kobj,
        const struct kobj_type  *ktype,
        struct xfs_kobj         *parent_kobj,
        const char              *name)
{
        struct kobject          *parent;
        int err;

        parent = parent_kobj ? &parent_kobj->kobject : NULL;
        init_completion(&kobj->complete);
        err = kobject_init_and_add(&kobj->kobject, ktype, parent, "%s", name);
        if (err)
                kobject_put(&kobj->kobject);

        return err;
}

static inline void
xfs_sysfs_del(
        struct xfs_kobj *kobj)
{
        kobject_del(&kobj->kobject);
        kobject_put(&kobj->kobject);
        wait_for_completion(&kobj->complete);
}

int     xfs_mount_sysfs_init(struct xfs_mount *mp);
void    xfs_mount_sysfs_del(struct xfs_mount *mp);

#endif  /* __XFS_SYSFS_H__ */