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kdave / btrfs-progs

Development of userspace BTRFS tools
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xfstests generic/015 run failed #53

Closed daixiang0 closed 7 years ago

daixiang0 commented 7 years ago 
root@ubuntu ~/xfstests# ./check generic/015
FSTYP         -- btrfs
PLATFORM      -- Linux/x86_64 ubuntu 4.12.0-rc6
MKFS_OPTIONS  -- /dev/sda2
MOUNT_OPTIONS -- /dev/sda2 /fs/scratch

generic/015     - output mismatch (see ~/xfstests/results//generic/015.out.bad)
    --- tests/generic/015.out    2017-05-31 18:15:23.000000000 +0800
    +++ ~/xfstests/results//generic/015.out.bad    2017-06-28 10:12:11.001630002 +0800
    @@ -4,4 +4,5 @@
     check free space:
     delete fill:
     check free space:
    -   !!! free space is in range
    +   !!! free space has value of 17348
    +free space is NOT in range 45591.48 .. 46512.52
    ...
    (Run 'diff -u tests/generic/015.out ~/xfstests/results//generic/015.out.bad'  to see the entire diff)
Ran: generic/015
Failures: generic/015
Failed 1 of 1 tests

I print _free to log and find after rm, the space do not free:

root@ubuntu ~/xfstests# cat log
/dev/sda2      btrfs       51200 16416     46052      27% /fs/scratch
46052
/dev/sda2      btrfs       51200 46144     17348      73% /fs/scratch
17348
/dev/sda2      btrfs       51200 46144     17348      73% /fs/scratch
17348

It makes me confused, and i am sure the file has removed and can not create size over 17348 file. Is it a bug or something wrong with my host?

kdave commented 7 years ago

Not relevant for btrfs-progs.