I_IBLK
int metadata = flags & (I_DIR|I_IBLK|I_SHAD|I_QUOTA);
free(ip, undo->blk, fs->fs_bsize, I_IBLK);
if (flags & (I_DIR|I_IBLK|I_SHAD|I_QUOTA)) {
undo_table[alloced_blocks].usage_flags = metaflag | I_IBLK;
((j < NIADDR) ? I_IBLK : 0);
free(ip, nb, (off_t)fs->fs_bsize, flags | I_IBLK);
flags | I_IBLK);