2005-11-08 05:19:07 +07:00
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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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2011-11-24 07:26:23 +07:00
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#include "mount.h"
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2005-11-08 05:19:33 +07:00
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2011-11-25 13:05:37 +07:00
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#define IS_MNT_SHARED(m) ((m)->mnt.mnt_flags & MNT_SHARED)
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#define IS_MNT_SLAVE(m) ((m)->mnt_master)
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#define IS_MNT_NEW(m) (!(m)->mnt_ns)
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#define CLEAR_MNT_SHARED(m) ((m)->mnt.mnt_flags &= ~MNT_SHARED)
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#define IS_MNT_UNBINDABLE(m) ((m)->mnt.mnt_flags & MNT_UNBINDABLE)
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2005-11-08 05:19:33 +07:00
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2005-11-08 05:19:50 +07:00
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#define CL_EXPIRE 0x01
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2005-11-08 05:20:48 +07:00
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#define CL_SLAVE 0x02
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2005-11-08 05:19:50 +07:00
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#define CL_COPY_ALL 0x04
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#define CL_MAKE_SHARED 0x08
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2010-01-17 01:28:47 +07:00
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#define CL_PRIVATE 0x10
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2012-08-01 03:13:04 +07:00
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#define CL_SHARED_TO_SLAVE 0x20
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2013-03-22 18:08:05 +07:00
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#define CL_UNPRIVILEGED 0x40
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2005-11-08 05:19:50 +07:00
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2011-11-25 08:43:10 +07:00
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static inline void set_mnt_shared(struct mount *mnt)
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2005-11-08 05:19:50 +07:00
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{
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2011-11-25 08:43:10 +07:00
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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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2005-11-08 05:19:50 +07:00
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}
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2011-11-25 08:43:10 +07:00
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void change_mnt_propagation(struct mount *, int);
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2011-11-25 11:59:29 +07:00
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int propagate_mnt(struct mount *, struct dentry *, struct mount *,
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2005-11-08 05:19:50 +07:00
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struct list_head *);
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2005-11-08 05:20:17 +07:00
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int propagate_umount(struct list_head *);
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2011-11-25 09:35:16 +07:00
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int propagate_mount_busy(struct mount *, int);
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2011-11-25 07:54:23 +07:00
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void mnt_release_group_id(struct mount *);
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2011-11-25 11:35:54 +07:00
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int get_dominating_id(struct mount *mnt, const struct path *root);
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2011-11-25 10:37:54 +07:00
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unsigned int mnt_get_count(struct mount *mnt);
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2011-11-25 12:01:17 +07:00
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void mnt_set_mountpoint(struct mount *, struct dentry *,
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2011-11-25 09:28:22 +07:00
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struct mount *);
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2011-11-22 09:15:42 +07:00
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void release_mounts(struct list_head *);
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2011-11-25 09:07:43 +07:00
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void umount_tree(struct mount *, int, struct list_head *);
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2011-11-25 09:24:27 +07:00
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struct mount *copy_tree(struct mount *, struct dentry *, int);
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2011-11-25 10:00:28 +07:00
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bool is_path_reachable(struct mount *, struct dentry *,
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2011-11-24 07:34:49 +07:00
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const struct path *root);
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2005-11-08 05:19:07 +07:00
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#endif /* _LINUX_PNODE_H */
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