On Wed, Nov 08, 2017 at 04:02:46PM +0800, Hou Tao wrote: > Hi, > > This is the v2 patchset for testing the XFS umount hang problem caused by > the pending dquota log item in AIL. The problem has not been fixed in > XFS yet, and Carlos Maiolino is working on it [1]. I had tested > it on 4.14-rc7, and the problem can be reproduced reliably. Thanks a lot for the updated version! But unfortunately, I still couldn't reproduce the hang, I'll provide more information in comments to each specific patch. Thanks, Eryu > > Changes since v1: > * dmflakey: support multiple dm targets for a dm-flakey device > * no update > > * xfs: test for umount hang caused by the pending dquota log item in AIL > * a bunch of suggestions from Eryu Guan > * update the dquota buffer after the error injection to better > reproduce the problem > > * common/rc: support checking the version of dm-target in > _require_dm_target() > * new patch > * introduce a way to check the availability of error_write feature > in dm-flakey target, and accomplish it by checking the version of > dm-target. > > * common/rc: factor out _get|set_xfs_scratch_sb_field() > * new patch > * the modified test cases had been tested after applying the patch: > (1) xfs/098 failed, but the failure has nothing to do with the patch > (2) xfs/339 and xfs/340 were not runnable, because rtdev + rmap is not > supported now. > (3) the remaing test cases passed > > v1: > * https://www.spinics.net/lists/fstests/msg07622.html > > Comments and questions are welcome. > > Regards, > Tao > > [1]: https://www.spinics.net/lists/linux-xfs/msg11614.html > --- > Hou Tao (4): > dmflakey: support multiple dm targets for a dm-flakey device > common/rc: support checking the version of dm-target in > _require_dm_target() > xfs: test for umount hang caused by the pending dquota log item in AIL > common/rc: factor out _get|set_xfs_scratch_sb_field() > > common/dmflakey | 2 +- > common/rc | 39 +++++++++++-- > common/xfs | 20 +++++++ > tests/xfs/007 | 6 +- > tests/xfs/098 | 4 +- > tests/xfs/186 | 3 +- > tests/xfs/199 | 13 ++--- > tests/xfs/307 | 11 +--- > tests/xfs/308 | 11 +--- > tests/xfs/339 | 6 +- > tests/xfs/340 | 2 +- > tests/xfs/999 | 163 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ > tests/xfs/999.out | 2 + > tests/xfs/group | 1 + > 14 files changed, 238 insertions(+), 45 deletions(-) > create mode 100755 tests/xfs/999 > create mode 100644 tests/xfs/999.out > > -- > 2.9.5 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-xfs" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-xfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
