| /* |
| * linux/fs/pnode.h |
| * |
| * (C) Copyright IBM Corporation 2005. |
| * Released under GPL v2. |
| * |
| */ |
| #ifndef _LINUX_PNODE_H |
| #define _LINUX_PNODE_H |
| |
| #include <linux/list.h> |
| #include <linux/mount.h> |
| |
| #define IS_MNT_SHARED(mnt) (mnt->mnt_flags & MNT_SHARED) |
| #define IS_MNT_SLAVE(mnt) (mnt->mnt_master) |
| #define IS_MNT_NEW(mnt) (!mnt->mnt_namespace) |
| #define CLEAR_MNT_SHARED(mnt) (mnt->mnt_flags &= ~MNT_SHARED) |
| #define IS_MNT_UNBINDABLE(mnt) (mnt->mnt_flags & MNT_UNBINDABLE) |
| |
| #define CL_EXPIRE 0x01 |
| #define CL_SLAVE 0x02 |
| #define CL_COPY_ALL 0x04 |
| #define CL_MAKE_SHARED 0x08 |
| #define CL_PROPAGATION 0x10 |
| |
| static inline void set_mnt_shared(struct vfsmount *mnt) |
| { |
| mnt->mnt_flags &= ~MNT_PNODE_MASK; |
| mnt->mnt_flags |= MNT_SHARED; |
| } |
| |
| void change_mnt_propagation(struct vfsmount *, int); |
| int propagate_mnt(struct vfsmount *, struct dentry *, struct vfsmount *, |
| struct list_head *); |
| int propagate_umount(struct list_head *); |
| int propagate_mount_busy(struct vfsmount *, int); |
| #endif /* _LINUX_PNODE_H */ |