ubuntu@ubuntu:~$ sudo fsck /dev/nvme0n1p2
fsck from util-linux 2.30.1
e2fsck 1.43.5 (04-Aug-2017)
/dev/nvme0n1p2 contains a file system with errors, check forced.
Pass 1: Checking inodes, blocks, and sizes
Inodes that were part of a corrupted orphan linked list found.  Fix<y>? yes
Inode 4982679 was part of the orphaned inode list.  FIXED.
Inode 4982680 was part of the orphaned inode list.  FIXED.
Inode 4982879 was part of the orphaned inode list.  FIXED.
Inode 4982918 was part of the orphaned inode list.  FIXED.
Inode 4982944 was part of the orphaned inode list.  FIXED.
Inode 4983219 was part of the orphaned inode list.  FIXED.
Inode 4983224 was part of the orphaned inode list.  FIXED.
Inode 4983475 was part of the orphaned inode list.  FIXED.
Inode 4983476 was part of the orphaned inode list.  FIXED.
Inode 4983573 was part of the orphaned inode list.  FIXED.
Inode 4983694 was part of the orphaned inode list.  FIXED.
Inode 4983894 was part of the orphaned inode list.  FIXED.
Inode 4983941 was part of the orphaned inode list.  FIXED.
Inode 4983992 was part of the orphaned inode list.  FIXED.
Inode 4989905 was part of the orphaned inode list.  FIXED.
Inode 4989906 was part of the orphaned inode list.  FIXED.
Deleted inode 5242882 has zero dtime.  Fix<y>? yes
Inode 5242893 was part of the orphaned inode list.  FIXED.
Inode 5642869 was part of the orphaned inode list.  FIXED.
Inode 5642881 was part of the orphaned inode list.  FIXED.
Inode 5642882 was part of the orphaned inode list.  FIXED.
Inode 24248406 was part of the orphaned inode list.  FIXED.
Inode 24248413 was part of the orphaned inode list.  FIXED.
Inode 24248555 was part of the orphaned inode list.  FIXED.
Inode 24248762 was part of the orphaned inode list.  FIXED.
Inode 24249105 was part of the orphaned inode list.  FIXED.
Inode 24250601 was part of the orphaned inode list.  FIXED.
Inode 24250816 was part of the orphaned inode list.  FIXED.
Inode 24251363 was part of the orphaned inode list.  FIXED.
Inode 24251553 was part of the orphaned inode list.  FIXED.
Inode 24253193 was part of the orphaned inode list.  FIXED.
Inode 24253194 was part of the orphaned inode list.  FIXED.
Inode 24253702 was part of the orphaned inode list.  FIXED.
Inode 24253829 was part of the orphaned inode list.  FIXED.
Inode 24255072 was part of the orphaned inode list.  FIXED.
Inode 24255101 was part of the orphaned inode list.  FIXED.
Inode 24255305 was part of the orphaned inode list.  FIXED.
Inode 24255340 was part of the orphaned inode list.  FIXED.
Inode 24255763 was part of the orphaned inode list.  FIXED.
Inode 24255992 was part of the orphaned inode list.  FIXED.
Inode 24256040 was part of the orphaned inode list.  FIXED.
Inode 24256400 was part of the orphaned inode list.  FIXED.
Inode 26350820 was part of the orphaned inode list.  FIXED.
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information
Block bitmap differences:  -(10001935--10001938) -(19957102--19957103) -(19957126--19957127) -(19957638--19957639) -(19958262--19958263) -(19989146--19989213) -(19989504--19989538) -(19993769--19993829) -(19995105--19995166) -(20087075--20087196) -(20087549--20087672) -(20087933--20088462) -(20253874--20254003) -(20455545--20455967) -(20457472--20457815) -(20633111--20633114) -(20644354--20644375) -(20947461--20947464) -22553317 -97151197 -(97151512--97151515) -(97151846--97151849) -(97156452--97156460) -(97161743--97161830) -(98888858--98888866) -(98888967--98888970) -(98889200--98889203) -(99365600--99365626) -(99368073--99368080) -(99386656--99386659) -(100822866--100822869) -(102525809--102525812) -(102525927--102525930) -(103177635--103177638) -(103184273--103184276) -103184313 -(105025584--105025587)
Fix<y>? yes
Free blocks count wrong for group #305 (5604, counted=5608).
Fix<y>? yes
Free blocks count wrong for group #609 (16115, counted=16123).
Fix<y>? yes
Free blocks count wrong for group #610 (11214, counted=11440).
Fix<y>? yes
Free blocks count wrong for group #613 (394, counted=1170).
Fix<y>? yes
Free blocks count wrong for group #618 (3436, counted=3566).
Fix<y>? yes
Free blocks count wrong for group #624 (23771, counted=24538).
Fix<y>? yes
Free blocks count wrong for group #629 (1806, counted=1810).
Fix<y>? yes
Free blocks count wrong for group #630 (1947, counted=1969).
Fix<y>? yes
Free blocks count wrong for group #639 (6111, counted=6115).
Fix<y>? yes
Free blocks count wrong for group #688 (23828, counted=23829).
Fix<y>? yes
Free blocks count wrong for group #2964 (7722, counted=7740).
Fix<y>? yes
Free blocks count wrong for group #2965 (17658, counted=17746).
Fix<y>? yes
Free blocks count wrong for group #3017 (3797, counted=3814).
Fix<y>? yes
Free blocks count wrong for group #3032 (5827, counted=5862).
Fix<y>? yes
Free blocks count wrong for group #3033 (4341, counted=4345).
Fix<y>? yes
Free blocks count wrong for group #3076 (1731, counted=1735).
Fix<y>? yes
Free blocks count wrong for group #3128 (1858, counted=1866).
Fix<y>? yes
Free blocks count wrong for group #3148 (6570, counted=6579).
Fix<y>? yes
Free blocks count wrong for group #3205 (1718, counted=1722).
Fix<y>? yes
Free blocks count wrong (78157125, counted=78159254).
Fix<y>? yes
Inode bitmap differences:  -(4982679--4982680) -4982879 -4982918 -4982944 -4983219 -4983224 -(4983475--4983476) -4983573 -4983694 -4983894 -4983941 -4983992 -(4989905--4989906) -5242882 -5242893 -5642869 -(5642881--5642882) -24248406 -24248413 -24248555 -24248762 -24249105 -24250601 -24250816 -24251363 -24251553 -(24253193--24253194) -24253702 -24253829 -24255072 -24255101 -24255305 -24255340 -24255763 -24255992 -24256040 -24256400 -26350820
Fix<y>? yes
Free inodes count wrong for group #608 (995, counted=1009).
Fix<y>? yes
Free inodes count wrong for group #609 (7021, counted=7023).
Fix<y>? yes
Free inodes count wrong for group #640 (254, counted=256).
Fix<y>? yes
Free inodes count wrong for group #688 (1392, counted=1395).
Fix<y>? yes
Directories count wrong for group #688 (698, counted=697).
Fix<y>? yes
Free inodes count wrong for group #2960 (138, counted=159).
Fix<y>? yes
Free inodes count wrong for group #3216 (2816, counted=2817).
Fix<y>? yes
Free inodes count wrong (30882767, counted=30882810).
Fix<y>? yes


/dev/nvme0n1p2: ***** FILE SYSTEM WAS MODIFIED *****
/dev/nvme0n1p2: 345094/31227904 files (0.3% non-contiguous), 46736234/124895488 blocks