v7fs_datablock_expand
v7fs_datablock_expand(fs, &inode, sizeof(*dir) * 2);
error = v7fs_datablock_expand(fs, inode, diff);
int v7fs_datablock_expand(struct v7fs_self *, struct v7fs_inode *, size_t);
if ((error = v7fs_datablock_expand(fs, &inode, sizeof(*dir) * 2
if ((error = v7fs_datablock_expand(fs, parent_dir, sizeof(*dir))))
if ((error = v7fs_datablock_expand(fs, p, len))) {
if ((error = v7fs_datablock_expand(fs, inode, expand)))
if ((error = v7fs_datablock_expand(fs, &inode, fnode->st.st_size))) {