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git.proxmox.com Git - mirror_ubuntu-bionic-kernel.git/blob - fs/pnode.h
4 * (C) Copyright IBM Corporation 2005.
5 * Released under GPL v2.
11 #include <linux/list.h>
12 #include <linux/mount.h>
14 #define IS_MNT_SHARED(mnt) (mnt->mnt_flags & MNT_SHARED)
15 #define IS_MNT_NEW(mnt) (!mnt->mnt_namespace)
16 #define CLEAR_MNT_SHARED(mnt) (mnt->mnt_flags &= ~MNT_SHARED)
18 #define CL_EXPIRE 0x01
19 #define CL_COPY_ALL 0x04
20 #define CL_MAKE_SHARED 0x08
21 #define CL_PROPAGATION 0x10
23 static inline void set_mnt_shared(struct vfsmount
*mnt
)
25 mnt
->mnt_flags
&= ~MNT_PNODE_MASK
;
26 mnt
->mnt_flags
|= MNT_SHARED
;
29 void change_mnt_propagation(struct vfsmount
*, int);
30 int propagate_mnt(struct vfsmount
*, struct dentry
*, struct vfsmount
*,
32 int propagate_umount(struct list_head
*);
33 int propagate_mount_busy(struct vfsmount
*, int);
34 #endif /* _LINUX_PNODE_H */