fssh_offsetof
#define offsetof(type,member) fssh_offsetof(type,member)
sVnodeTable = hash_init(VNODE_HASH_TABLE_SIZE, fssh_offsetof(struct vnode, next),
list_init_etc(&sUnusedVnodeList, fssh_offsetof(struct vnode, unused_link));
sMountsTable = hash_init(MOUNTS_HASH_TABLE_SIZE, fssh_offsetof(struct fs_mount, next),
list_init_etc(&mount->vnodes, fssh_offsetof(struct vnode, mount_link));