2005-11-07 17:19:07 -05:00
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/*
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* linux/fs/pnode.h
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*
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* (C) Copyright IBM Corporation 2005.
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* Released under GPL v2.
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*
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*/
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#ifndef _LINUX_PNODE_H
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#define _LINUX_PNODE_H
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#include <linux/list.h>
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2011-11-23 19:26:23 -05:00
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#include "mount.h"
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2005-11-07 17:19:33 -05:00
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2011-11-23 12:27:01 -05:00
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#define IS_MNT_SHARED(mnt) ((mnt)->mnt_flags & MNT_SHARED)
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#define IS_MNT_SLAVE(mnt) ((mnt)->mnt_master)
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#define IS_MNT_NEW(mnt) (!(mnt)->mnt_ns)
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#define CLEAR_MNT_SHARED(mnt) ((mnt)->mnt_flags &= ~MNT_SHARED)
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#define IS_MNT_UNBINDABLE(mnt) ((mnt)->mnt_flags & MNT_UNBINDABLE)
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2005-11-07 17:19:33 -05:00
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2005-11-07 17:19:50 -05:00
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#define CL_EXPIRE 0x01
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2005-11-07 17:20:48 -05:00
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#define CL_SLAVE 0x02
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2005-11-07 17:19:50 -05:00
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#define CL_COPY_ALL 0x04
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#define CL_MAKE_SHARED 0x08
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2010-01-16 13:28:47 -05:00
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#define CL_PRIVATE 0x10
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2005-11-07 17:19:50 -05:00
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2011-11-24 20:43:10 -05:00
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static inline void set_mnt_shared(struct mount *mnt)
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2005-11-07 17:19:50 -05:00
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{
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2011-11-24 20:43:10 -05:00
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mnt->mnt.mnt_flags &= ~MNT_SHARED_MASK;
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mnt->mnt.mnt_flags |= MNT_SHARED;
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2005-11-07 17:19:50 -05:00
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}
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2011-11-24 20:43:10 -05:00
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void change_mnt_propagation(struct mount *, int);
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2005-11-07 17:19:50 -05:00
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int propagate_mnt(struct vfsmount *, struct dentry *, struct vfsmount *,
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struct list_head *);
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2005-11-07 17:20:17 -05:00
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int propagate_umount(struct list_head *);
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2011-11-24 21:35:16 -05:00
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int propagate_mount_busy(struct mount *, int);
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2011-11-24 19:54:23 -05:00
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void mnt_release_group_id(struct mount *);
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2008-03-27 13:06:26 +01:00
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int get_dominating_id(struct vfsmount *mnt, const struct path *root);
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2011-11-21 21:15:42 -05:00
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unsigned int mnt_get_count(struct vfsmount *mnt);
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void mnt_set_mountpoint(struct vfsmount *, struct dentry *,
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2011-11-24 21:28:22 -05:00
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struct mount *);
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2011-11-21 21:15:42 -05:00
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void release_mounts(struct list_head *);
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2011-11-24 21:07:43 -05:00
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void umount_tree(struct mount *, int, struct list_head *);
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2011-11-24 21:24:27 -05:00
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struct mount *copy_tree(struct mount *, struct dentry *, int);
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2011-11-24 22:00:28 -05:00
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bool is_path_reachable(struct mount *, struct dentry *,
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2011-11-23 19:34:49 -05:00
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const struct path *root);
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2005-11-07 17:19:07 -05:00
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#endif /* _LINUX_PNODE_H */
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