ext2fs_post_write_update
error = ext2fs_post_write_update(vp, uio, ioflag, ap->a_cred, osize,
error = ext2fs_post_write_update(vp, uio, ioflag, cred, osize, resid,
static int ext2fs_post_write_update(struct vnode *, struct uio *, int,