On Mon, Dec 02, 2019 at 08:35:23PM +0800, damenly.su@xxxxxxxxx wrote:
> From: Su Yue <Damenly_Su@xxxxxxx>
>
> Ran misc-tests/038 in /root/btrfs-progs:
> ======================================================================
> make test-misc TEST=038\*
> [TEST] misc-tests.sh
> [TEST/misc] 038-backup-root-corruption
> ./test.sh: line 33: [: bytenr=65536,: integer expression expected
> Backup slot 2 is not in use
> test failed for case 038-backup-root-corruption
> make: *** [Makefile:401: test-misc] Error 1
> ======================================================================
>
> It's caused by the wrong line filtered by
> $(dump_super | grep root | head -n1 | awk '{print $2}').
>
> The $(dump-super | grep root) outputs
> ======================================================================
> superblock: bytenr=65536, device=/root/btrfs-progs/tests/test.img
> root 30605312
> chunk_root_generation 5
> root_level 0
> chunk_root 22036480
> chunk_root_level 0
> log_root 0
> log_root_transid 0
> log_root_level 0
> root_dir 6
> backup_roots[4]:
> ======================================================================
>
> Here
> "superblock: bytenr=65536, device=/root/btrfs-progs/tests/test.img" is
> selected but not the line "root 30605312".
>
> Restricting the awk rule can fix it.
>
> Fixes: 78a3831d46ec ("btrfs-progs: tests: Test backup root retention logic")
> Signed-off-by: Su Yue <Damenly_Su@xxxxxxx>
Applied, thanks.