root@rescue ~ # fsck /dev/vg0/root
fsck from util-linux 2.25.2
e2fsck 1.42.12 (29-Aug-2014)
/dev/mapper/vg0-root contains a file system with errors, check forced.
Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Entry 'hwclock-set' in /lib/udev (133431302) has deleted/unused inode 133434849.  Clear<y>? yes
Entry 'libfdisk.so.1' in /lib/x86_64-linux-gnu (133431308) has deleted/unused inode 133434862.  Clear<y>? yes
Entry 'libnl-3.so.200.22.0' in /lib/x86_64-linux-gnu (133431308) has deleted/unused inode 133434845.  Clear<y>? yes
Entry 'libip6tc.so.0' in /lib/x86_64-linux-gnu (133431308) has deleted/unused inode 133434804.  Clear<y>? yes
Entry 'libext2fs.so.2' in /lib/x86_64-linux-gnu (133431308) has deleted/unused inode 133434806.  Clear<y>? yes
Entry 'libreadline.so.6.3' in /lib/x86_64-linux-gnu (133431308) has deleted/unused inode 133434814.  Clear<y>? yes
Entry 'libbz2.so.1.0' in /lib/x86_64-linux-gnu (133431308) has deleted/unused inode 133434818.  Clear<y>? yes
Entry 'libjson-c.so.2' in /lib/x86_64-linux-gnu (133431308) has deleted/unused inode 133434826.  Clear<y>? yes
Entry 'libnih.so.1.0.0' in /lib/x86_64-linux-gnu (133431308) has deleted/unused inode 133434830.  Clear<y>? yes
Entry 'libatm.so.1' in /lib/x86_64-linux-gnu (133431308) has deleted/unused inode 133434833.  Clear<y>? yes
Entry 'libatm.so.1.0.0' in /lib/x86_64-linux-gnu (133431308) has deleted/unused inode 133434835.  Clear<y>? yes
Entry 'libpci.so.3.3.1' in /lib/x86_64-linux-gnu (133431308) has deleted/unused inode 133434839.  Clear<y>? yes
Entry 'libncurses.so.5' in /lib/x86_64-linux-gnu (133431308) has deleted/unused inode 133434851.  Clear<y>? yes
Entry 'libreadline.so.5.2' in /lib/x86_64-linux-gnu (133431308) has deleted/unused inode 133434858.  Clear<y>? yes
Entry 'liblvm2app.so.2.2' in /lib/x86_64-linux-gnu (133431308) has deleted/unused inode 133434821.  Clear<y>? yes
Entry 'libjson-c.so.2.0.0' in /lib/x86_64-linux-gnu (133431308) has deleted/unused inode 133434877.  Clear<y>? yes
Entry 'libdevmapper-event-lvm2raid.so' in /lib/x86_64-linux-gnu (133431308) has deleted/unused inode 133434812.  Clear<y>?