a31b1d3d89
Embed a base kobject into xfs_mount. This creates a kobject associated with each XFS mount and a subdirectory in sysfs with the name of the filesystem. The subdirectory lifecycle matches that of the mount. Also add the new xfs_sysfs.[c,h] source files with some XFS sysfs infrastructure to facilitate attribute creation. Note that there are currently no attributes exported as part of the xfs_mount kobject. It exists solely to serve as a per-mount container for child objects. Signed-off-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Dave Chinner <david@fromorbit.com>
59 lines
1.5 KiB
C
59 lines
1.5 KiB
C
/*
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* Copyright (c) 2014 Red Hat, Inc.
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* All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it would be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef __XFS_SYSFS_H__
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#define __XFS_SYSFS_H__
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extern struct kobj_type xfs_mp_ktype; /* xfs_mount */
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static inline struct xfs_kobj *
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to_kobj(struct kobject *kobject)
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{
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return container_of(kobject, struct xfs_kobj, kobject);
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}
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static inline void
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xfs_sysfs_release(struct kobject *kobject)
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{
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struct xfs_kobj *kobj = to_kobj(kobject);
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complete(&kobj->complete);
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}
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static inline int
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xfs_sysfs_init(
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struct xfs_kobj *kobj,
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struct kobj_type *ktype,
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struct xfs_kobj *parent_kobj,
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const char *name)
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{
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init_completion(&kobj->complete);
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return kobject_init_and_add(&kobj->kobject, ktype,
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&parent_kobj->kobject, "%s", name);
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}
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static inline void
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xfs_sysfs_del(
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struct xfs_kobj *kobj)
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{
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kobject_del(&kobj->kobject);
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kobject_put(&kobj->kobject);
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wait_for_completion(&kobj->complete);
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}
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#endif /* __XFS_SYSFS_H__ */
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