[CRIU] [PATCH 0/3] zdtm: take care of short reads

[Andrei Vagin]

I applied this series only for fifo tests.

It was another reason why we saw short-reads:
[PATCH 2/2] pipe: dump all data from a pipe

On Thu, Nov 30, 2017 at 01:46:17PM +0200, Mike Rapoport wrote:
> Hi,
> 
> On loaded systems read may return less data then requested and it's
> perfectly Ok. However, some zdtm tests expect that large chunks of data
> will be read in one go and fail when short reads happen.
> 
> These patches try to fix it by using {read,write}_data helpers that do not
> treat incomplete IO operations as error.
> 
> I've updated some of the tests to use these new helpers, but I might have
> miss something.
> 
> The last patch is not strictly related, it's just when I was looking for
> read() calls I've found out that several socket tests duplicate some code. 
> 
> Mike Rapoport (3):
>   zdtm: lib: add {read,write}_data helpers
>   zdtm: use {read,write}_data where applicable
>   zdtm: move common code to the library
> 
>  test/zdtm/lib/streamutil.c               | 98 ++++++++++++++++++++++++++++++++
>  test/zdtm/lib/zdtmtst.h                  |  6 +-
>  test/zdtm/static/deleted_unix_sock.c     |  4 +-
>  test/zdtm/static/fifo-ghost.c            |  7 +--
>  test/zdtm/static/fifo.c                  |  7 +--
>  test/zdtm/static/fifo_ro.c               |  7 +--
>  test/zdtm/static/file_attr.c             |  4 +-
>  test/zdtm/static/overmount_sock.c        |  4 +-
>  test/zdtm/static/socket-tcp-close-wait.c | 68 +---------------------
>  test/zdtm/static/socket-tcp-closing.c    | 67 +---------------------
>  test/zdtm/static/socket-tcp-fin-wait1.c  | 65 +--------------------
>  test/zdtm/static/socket-tcp.c            | 29 ----------
>  test/zdtm/static/socket-tcpbuf.c         | 62 --------------------
>  test/zdtm/static/unlink_fstat00.c        |  4 +-
>  test/zdtm/static/write_read00.c          |  4 +-
>  test/zdtm/static/write_read01.c          |  6 +-
>  test/zdtm/static/write_read02.c          |  8 +--
>  test/zdtm/static/write_read10.c          |  4 +-
>  18 files changed, 133 insertions(+), 321 deletions(-)
> 
> -- 
> 2.7.4
>