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SubjectRE: [PATCH v2] fanotify reports the thread id of the event trigger
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On Tue, Sep 18, 2018 3:07 PM Amir Goldstein <amir73il@gmail.com>
>On Tue, Sep 18, 2018 at 6:01 AM Nixiaoming <nixiaoming@huawei.com> wrote:
>>
>> On Mon, Sep 17, 2018 11:51 PM Amir Goldstein <amir73il@gmail.com> wrote:
>> >On Mon, Sep 17, 2018 at 6:05 PM nixiaoming <nixiaoming@huawei.com> wrote:
>...
>> >> diff --git a/include/linux/fsnotify_backend.h b/include/linux/fsnotify_backend.h
>> >> index b8f4182..44c659f 100644
>> >> --- a/include/linux/fsnotify_backend.h
>> >> +++ b/include/linux/fsnotify_backend.h
>> >> @@ -193,6 +193,7 @@ struct fsnotify_group {
>> >> unsigned int max_marks;
>> >> struct user_struct *user;
>> >> bool audit;
>> >> + bool should_report_tid;
>> >
>> >For brevity I would call that report_tid, but not insisting.
>> >
>>
>> Whether it is better to change to "unsigned int flags"
>> Save "group->fanotify_data.flags=flags;" in "fanotify_init"
>> Determine whether "group->fanotify_data.flags" contains "FAN_EVENT_INFO_TID" in "fanotify_alloc_event";
>>
>> At the same time, if there are other flags that need to be used later, there is no need to add new members.
>>
>> By the way, whether or not "bool audit" can also be included by flags
>>
>
>I strongly agree. Didn't want to impose this change on you, but in
>fact, I already did
>that in my own patch set, so you can use my patches as reference:
>https://github.com/amir73il/linux/commit/5225fe1e19c74f4d7a4a4cc98ff6ef5872c8e620
>https://github.com/amir73il/linux/commit/0d1a226f5c18012f19ed6eabfab46f0f125ec190
>
>If you do this you need to separate your change into 2 patches.
>First make the fanotify_data.flags change collecting the pieces from both
>my patches.
>Then make your TID change using fanotify_data.flags.
>
>Thanks,
>Amir.
>
Should I do this:
1 git cherry-pick 5225fe1e19c74f4d7a4a4cc98ff6ef5872c8e620
    Git cherry-pick 0d1a226f5c18012f19ed6eabfab46f0f125ec190
  Manually handle patch conflicts
2 Add a new flag "FAN_EVENT_INFO_TID" into fanotify_data.flags
3 Incorporate "bool audit" into fanotify_data.flags
4 Submit 4 patches

thanks
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