[LTP] [PATCH 4/4] syscalls/fanotify09: Add test cases for merge of ignore mask

[Amir Goldstein]

On Mon, Jun 20, 2022 at 6:20 PM Jan Kara <jack@suse.cz> wrote:
>
> On Mon 20-06-22 16:27:37, Amir Goldstein wrote:
> > 1. Verify that an ignore mask that does not survive modify event,
> >    does survive a modify event on child, if parent is not watching
> >    events on children.
> >
> > 2. Verify that an ignore mask on parent does not ignore close events
> >    sent to mount mark, if parent is not watching events on children.
> >
> > The behavior of these corner cases of ignore mask on parent dir have
> > always been undefined, so do not run the test for kernel < v5.19.
> >
> > Signed-off-by: Amir Goldstein <amir73il@gmail.com>
>
> Hum, I was looking into the testcase. What does generate a modify event
> there and checks that ignore mask does not survive it?

I think this does:

        /*
         * generate MODIFY event and no FAN_CLOSE_NOWRITE event.
         */
        SAFE_FILE_PRINTF(fname, "1");

Thanks,
Amir.