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56 lines
2.0 KiB
56 lines
2.0 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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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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*/ |
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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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#include "mount.h" |
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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 || is_anon_ns((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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#define IS_MNT_MARKED(m) ((m)->mnt.mnt_flags & MNT_MARKED) |
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#define SET_MNT_MARK(m) ((m)->mnt.mnt_flags |= MNT_MARKED) |
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#define CLEAR_MNT_MARK(m) ((m)->mnt.mnt_flags &= ~MNT_MARKED) |
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#define IS_MNT_LOCKED(m) ((m)->mnt.mnt_flags & MNT_LOCKED) |
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#define CL_EXPIRE 0x01 |
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#define CL_SLAVE 0x02 |
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#define CL_COPY_UNBINDABLE 0x04 |
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#define CL_MAKE_SHARED 0x08 |
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#define CL_PRIVATE 0x10 |
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#define CL_SHARED_TO_SLAVE 0x20 |
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#define CL_COPY_MNT_NS_FILE 0x40 |
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#define CL_COPY_ALL (CL_COPY_UNBINDABLE | CL_COPY_MNT_NS_FILE) |
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static inline void set_mnt_shared(struct mount *mnt) |
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{ |
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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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} |
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void change_mnt_propagation(struct mount *, int); |
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int propagate_mnt(struct mount *, struct mountpoint *, struct mount *, |
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struct hlist_head *); |
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int propagate_umount(struct list_head *); |
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int propagate_mount_busy(struct mount *, int); |
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void propagate_mount_unlock(struct mount *); |
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void mnt_release_group_id(struct mount *); |
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int get_dominating_id(struct mount *mnt, const struct path *root); |
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int mnt_get_count(struct mount *mnt); |
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void mnt_set_mountpoint(struct mount *, struct mountpoint *, |
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struct mount *); |
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void mnt_change_mountpoint(struct mount *parent, struct mountpoint *mp, |
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struct mount *mnt); |
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struct mount *copy_tree(struct mount *, struct dentry *, int); |
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bool is_path_reachable(struct mount *, struct dentry *, |
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const struct path *root); |
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int count_mounts(struct mnt_namespace *ns, struct mount *mnt); |
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#endif /* _LINUX_PNODE_H */
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