Re: [PATCH v15 00/30] overlayfs: Delayed copy up of data

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On Mon, May 07, 2018 at 09:10:25PM +0300, Amir Goldstein wrote:
> On Mon, May 7, 2018 at 8:40 PM, Vivek Goyal <vgoyal@xxxxxxxxxx> wrote:
> > Hi,
> >
> > This is V15 of overlayfs metadata only copy-up feature. These patches I
> > have rebased on top of Miklos overlayfs-next tree's branch overlayfs-rorw.
> >
> > git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs.git overlayfs-rorw
> >
> > Patches are also available here.
> >
> > https://github.com/rhvgoyal/linux/commits/metacopy-v15
> >
> > I have run unionmount-testsuite and "./check -overlay -g quick" and that
> > works. Only 4 overlay tests fail, which fail on vanilla kernel too.
> 
> I wonder which tests failed? My -g quick as well as -s auto runs got
> no fails.

Hi Amir,

overlay/16, overlay/41, overlay/43, overlay/44 fail for me, even with
vanilla kernel. I never debugged these to figure out what's happening.

Vivek


overlay/016      - output mismatch (see /root/git/xfstests-dev/results//overlay/016.out.bad)
    --- tests/overlay/016.out   2017-04-19 08:18:17.658511331 -0400
    +++ /root/git/xfstests-dev/results//overlay/016.out.bad     2018-05-07 13:31:09.137091967 -0400
    @@ -8,4 +8,4 @@
     XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
     wrote 16/16 bytes at offset 0
     XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
    -00000000:  61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61  aaaaaaaaaaaaaaaa
    +00000000:  54 68 69 73 20 69 73 20 6f 6c 64 20 6e 65 77 73  This.is.old.news
    ...
    (Run 'diff -u tests/overlay/016.out /root/git/xfstests-dev/results//overlay/016.out.bad'  to see the entire diff)



overlay/041      - output mismatch (see /root/git/xfstests-dev/results//overlay/041.out.bad)
    --- tests/overlay/041.out   2017-11-20 13:35:17.024529298 -0500
    +++ /root/git/xfstests-dev/results//overlay/041.out.bad     2018-05-07 13:31:46.124091967 -0400
    @@ -1,2 +1,19 @@
     QA output created by 041
    +Pure upper dir: Invalid d_ino reported for ..
    +Pure upper dir: Invalid d_ino reported for .
    +Pure upper dir: Invalid d_ino reported for subdir
    +Impure dir: Invalid d_ino reported for ..
    +Impure dir: Invalid d_ino reported for .
    +Impure dir: Invalid d_ino reported for subdir
    ...
overlay/043      - output mismatch (see /root/git/xfstests-dev/results//overlay/043.out.bad)
    --- tests/overlay/043.out   2017-11-27 14:48:31.704797612 -0500
    +++ /root/git/xfstests-dev/results//overlay/043.out.bad     2018-05-07 13:31:48.293091967 -0400
    @@ -1,2 +1,39 @@
     QA output created by 043
    +dir not found by ino 232521 (from /tmp/15394.before)
    +file not found by ino 50367463 (from /tmp/15394.before)
    +symlink not found by ino 50367464 (from /tmp/15394.before)
    +chrdev not found by ino 50367465 (from /tmp/15394.before)
    +blkdev not found by ino 50367466 (from /tmp/15394.before)
    +fifo not found by ino 50367467 (from /tmp/15394.before)
    ...

overlay/044      - output mismatch (see /root/git/xfstests-dev/results//overlay/044.out.bad)
    --- tests/overlay/044.out   2017-11-27 14:48:31.704797612 -0500
    +++ /root/git/xfstests-dev/results//overlay/044.out.bad     2018-05-07 13:31:49.462091967 -0400
    @@ -7,11 +7,13 @@
     one
     zero
     one
    +bar not found by ino 33592805 (from /tmp/15776.before)
     == After mount cycle ==
     zero
     one

> 
> Thanks,
> Amir.
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