Hi,
My system suddenly crashed, after reboot I cannot mount /home any more.
`uname -a`
Linux moonIk80 4.12.14-lp151.28.36-default #1 SMP Fri Dec 6 13:50:27 UTC 2019 (8f4a495) x86_64 x86_64 x86_64 GNU/Linux
btrfs-progs v5.4
`btrfs fi show`
Label: none uuid: 378faa6e-8af0-415e-93f7-68b31fb08a29
Total devices 1 FS bytes used 194.99GiB
devid 1 size 232.79GiB used 231.79GiB path /dev/mapper/cr_sda4
The device cannot be mounted.
[ 188.649876] BTRFS info (device dm-1): disk space caching is enabled
[ 188.649878] BTRFS info (device dm-1): has skinny extents
[ 188.656364] BTRFS critical (device dm-1): corrupt leaf: root=2 block=294640566272 slot=104, unexpected item end, have 42739 expect 9971
[ 188.656374] BTRFS error (device dm-1): failed to read block groups: -5
[ 188.700088] BTRFS error (device dm-1): open_ctree failed
`btrfs check /dev/mapper/cr_sda4`
Opening filesystem to check...
incorrect offsets 9971 42739
incorrect offsets 9971 42739
incorrect offsets 9971 42739
ERROR: failed to read block groups: Operation not permitted
ERROR: cannot open file system
