X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=fs%2Fpnode.h;h=020e1bb60fdb6b3e4601727a273bad4e2d322331;hb=e2f99018eb7b29954747a2dd78e9fc0c36a60f0f;hp=33549a3a74eb680a72e9cca34b4427ed73145fe6;hpb=07b20889e3052c7e77d6a6a54e7e83446eb1ba84;p=karo-tx-linux.git diff --git a/fs/pnode.h b/fs/pnode.h index 33549a3a74eb..020e1bb60fdb 100644 --- a/fs/pnode.h +++ b/fs/pnode.h @@ -10,5 +10,28 @@ #include #include + +#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 */