Re: [PATCH v3 0/6] fstests: copy_file_range() tests

[Eryu Guan <guaneryu@gmail.com>]

On Sun, Jun 02, 2019 at 03:41:08PM +0300, Amir Goldstein wrote:
> Eryu,
> 
> This is a re-work of Dave Chinner's copy_file_range() tests which
> I used to verify the kernel fixes of the syscall [1].
> 
> The 2 first tests fix bugs in the interface, so they are appropriate
> for merge IMO.
> 
> The cross-device copy test checks a new functionality, so you may
> want to wait with merging it till after the work is merged upstream.
> 
> The bounds check test depend on a change that was only posted to
> xfsprogs [2]. Without two changes that were merge to xfsprogs v4.20,
> the original test (v1, v2) would hang. Requiring the new copy_range
> flag (copy_range -f) mitigates this problem.
> 
> You may want to wait until the xfs_io change is merged before merging
> the check for the new flag.

Thanks a lot for the detailed explanation! I applied the first three
patches for this week's update.

Thanks,
Eryu

> 
> Thanks,
> Amir.
> 
> [1] https://lore.kernel.org/linux-fsdevel/20190531164701.15112-1-amir73il@gmail.com/
> [2] https://marc.info/?l=linux-xfs&m=155912482124038&w=2
> 
> Changes from v2:
> - Change blockdev in test to loop and _require_loop (Olga)
> - Implement and use _require_xfs_io_command copy_range -f
> 
> Changes from v1:
> - Remove patch to test EINVAL behavior instead of short copy
> - Remove 'chmod -r' permission drop test case
> - Split out test for swap/immutable file copy
> - Split of cross-device copy test
> 
> 
> Amir Goldstein (6):
>   generic: create copy_range group
>   generic: copy_file_range immutable file test
>   generic: copy_file_range swapfile test
>   common/rc: check support for xfs_io copy_range -f N
>   generic: copy_file_range bounds test
>   generic: cross-device copy_file_range test
> 
>  common/rc             |   9 ++-
>  tests/generic/434     |   2 +
>  tests/generic/988     |  59 +++++++++++++++++++
>  tests/generic/988.out |   5 ++
>  tests/generic/989     |  56 ++++++++++++++++++
>  tests/generic/989.out |   4 ++
>  tests/generic/990     | 132 ++++++++++++++++++++++++++++++++++++++++++
>  tests/generic/990.out |  37 ++++++++++++
>  tests/generic/991     |  56 ++++++++++++++++++
>  tests/generic/991.out |   4 ++
>  tests/generic/group   |  14 +++--
>  11 files changed, 372 insertions(+), 6 deletions(-)
>  create mode 100755 tests/generic/988
>  create mode 100644 tests/generic/988.out
>  create mode 100755 tests/generic/989
>  create mode 100644 tests/generic/989.out
>  create mode 100755 tests/generic/990
>  create mode 100644 tests/generic/990.out
>  create mode 100755 tests/generic/991
>  create mode 100644 tests/generic/991.out
> 
> -- 
> 2.17.1
>