Dear devs,
after upgrading from kernel 4.19.101 to 5.5.2 i got read time tree block
error as
described here:
https://btrfs.wiki.kernel.org/index.php/Tree-checker#For_end_users
Working with kernel 4.19.101:
Linux Arch 4.19.101-1-lts #1 SMP Sat, 01 Feb 2020 16:35:36 +0000 x86_64
GNU/Linux
btrfs --version
btrfs-progs v5.4
btrfs fi show
Label: none uuid: 56e753f4-1346-49ad-a34f-e93a0235b82a
Total devices 1 FS bytes used 92.54GiB
devid 1 size 95.14GiB used 95.14GiB path /dev/mapper/home
btrfs fi df /home
Data, single: total=94.11GiB, used=91.95GiB
System, single: total=31.00MiB, used=12.00KiB
Metadata, single: total=1.00GiB, used=599.74MiB
GlobalReserve, single: total=199.32MiB, used=0.00B
After upgrading to kernel 5.5.2:
[ 13.413025] BTRFS: device fsid 56e753f4-1346-49ad-a34f-e93a0235b82a
devid 1 transid 468295 /dev/dm-1 scanned by systemd-udevd (417)
[ 13.589952] BTRFS info (device dm-1): force zstd compression, level 3
[ 13.589956] BTRFS info (device dm-1): disk space caching is enabled
[ 13.594707] BTRFS info (device dm-1): bdev /dev/mapper/home errs: wr
0, rd 47, flush 0, corrupt 0, gen 0
[ 13.622912] BTRFS info (device dm-1): enabling ssd optimizations
[ 13.624300] BTRFS critical (device dm-1): corrupt leaf: root=5
block=122395779072 slot=10 ino=265, invalid inode generation: has
18446744073709551492 expect [0, 468296]
[ 13.624381] BTRFS error (device dm-1): block=122395779072 read time
tree block corruption detected
Booting from 4.19 kernel can mount fs again.
