um_e2fs
struct m_ext2fs *fs = mp->um_e2fs;
struct m_ext2fs *fs = mp->um_e2fs;
fs = ump->um_e2fs;
fs = ump->um_e2fs;
fs = ump->um_e2fs;
fs = VFSTOUFS(mountp)->um_e2fs;
ump->um_e2fs = malloc(sizeof(struct m_ext2fs), M_UFSMNT,
e2fs_sbload(fs, &ump->um_e2fs->e2fs);
if ((error = e2fs_sbfill(devvp, ump->um_e2fs)) != 0)
fs = &ump->um_e2fs->e2fs;
ump->um_e2fs->e2fs_ronly = ronly;
ump->um_e2fs->e2fs_fmod = 1;
ump->um_nindir = NINDIR(ump->um_e2fs);
ump->um_bptrtodb = ump->um_e2fs->e2fs_fsbtodb;
free(ump->um_e2fs, M_UFSMNT, sizeof *ump->um_e2fs);
fs = ump->um_e2fs;
fs = ump->um_e2fs;
fs = ump->um_e2fs;
ip->i_e2fs = fs = ump->um_e2fs;
fs = VFSTOUFS(mp)->um_e2fs;