mfsnode
struct mfsnode;
void mfs_doio(struct mfsnode *, struct buf *);
struct mfsnode *mfsp = VTOMFS(vp);
struct mfsnode *mfsp;
struct mfsnode *mfsp;
mfs_doio(struct mfsnode *mfsp, struct buf *bp)
struct mfsnode *mfsp = VTOMFS(vp);
struct mfsnode *mfsp = VTOMFS(ap->a_vp);
struct mfsnode *mfsp = VTOMFS(vp);
free(vp->v_data, M_MFSNODE, sizeof(struct mfsnode));
struct mfsnode *mfsp = VTOMFS(ap->a_vp);
#define VTOMFS(vp) ((struct mfsnode *)(vp)->v_data)