∞ e2fsck -a -b 32768 /dev/sdb1
/dev/sdb1: Superblock needs_recovery flag is clear, but journal has data.
/dev/sdb1: Recovery flag not set in backup superblock, so running journal anyway.
/dev/sdb1: recovering journal
/dev/sdb1: Inode 322624 extent tree (at level 1) could be shorter. IGNORED.
/dev/sdb1: Directory inode 469171, block #0, offset 0: directory corrupted
/dev/sdb1: UNEXPECTED INCONSISTENCY; RUN fsck MANUALLY.
(i.e., without -a or -p options)
∞ yes | e2fsck -b 32768 /dev/sdb1
e2fsck 1.43.1 (08-Jun-2016)
e2fsck: need terminal for interactive repairs