bfs_file_size
bfs_file_size(inode), inode->start_sector,
*size = bfs_file_size(inode);
size_t bfs_file_size(const struct bfs_inode *);
uvm_vnp_setsize(vp, bfs_file_size(inode));
bnode->size = bfs_file_size(inode);
vap->va_size = bfs_file_size(inode);
vsize_t sz, filesz = bfs_file_size(inode);
return lf_advlock(ap, &bnode->lockf, bfs_file_size(bnode->inode));