linuxdebug/fs/xfs/xfs_sysfs.h

60 lines
1.3 KiB
C

// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2014 Red Hat, Inc.
* All Rights Reserved.
*/
#ifndef __XFS_SYSFS_H__
#define __XFS_SYSFS_H__
extern struct kobj_type xfs_mp_ktype; /* xfs_mount */
extern struct kobj_type xfs_dbg_ktype; /* debug */
extern struct kobj_type xfs_log_ktype; /* xlog */
extern 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,
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_error_sysfs_init(struct xfs_mount *mp);
void xfs_error_sysfs_del(struct xfs_mount *mp);
#endif /* __XFS_SYSFS_H__ */