impersonation part7 (smb_vfs_ev_glue)

[Ralph Böhme]

On Wed, Jul 25, 2018 at 01:32:23PM -0700, Jeremy Allison via samba-technical wrote:
>On Wed, Jul 25, 2018 at 10:29:31PM +0200, Stefan Metzmacher wrote:
>> Am 25.07.2018 um 22:26 schrieb Jeremy Allison via samba-technical:
>> > On Wed, Jul 25, 2018 at 04:36:47PM +0200, Stefan Metzmacher via samba-technical wrote:
>> >> Hi,
>> >>
>> >> here's an updated patchset. It also fixed a shutdown problem
>> >> during a deferred open (we need to free all request before removing
>> >> tcons/sessions). There's also a build fix and a vfs_not_implemented
>> >> module that exports helper function for use in other opaque modules.
>> >>
>> >> An earlier version with the same content almost finished this pipeline:
>> >> https://gitlab.com/samba-team/devel/samba/pipelines/26474532
>> >>
>> >> And a new one was also started here:
>> >> https://gitlab.com/samba-team/devel/samba/pipelines/26485958
>> >>
>> >> We'll most likely push this version later today.
>> >
>> > Just want to check, these are changes planned for 4.10
>> > yeah ?
>>
>> Yes, it's to late for 4.9, it just went to master and will just be in
>> the next release (4.10 or 5.0).
>
>Oh thank goodness :-). I haven't had time to read
>through all the pthreadpool/VFS changes yet and
>I'm terrified of having to explain them to OEMs :-).
>
>Is there any change you and Ralph can do a highlevel
>design/overview document/description to help those
>of us who will have to work with this code ?
>
>Maybe at SNIA (not officially on the conference
>agenda, but informally in the plugfest conf room) ?

as a VFS implementer it's bloody simple and all the nastyness is (mostly) hidden 
behind a cleve APIs.

You can take a sneak preview at my upcoming VFS change on how to use it:

Branch: <https://git.samba.org/?p=slow/samba.git;a=shortlog;h=8501cb1f4d1f8c5ac4129cceea679e580b6fd864>

A good example how to use it to implement an async getxattr:

<https://git.samba.org/?p=slow/samba.git;a=commitdiff;h=a736471c334c9fe7db37e37c2a601ce9ab51c9e9>

-slow

-- 
Ralph Boehme, Samba Team       https://samba.org/
Samba Developer, SerNet GmbH   https://sernet.de/en/samba/
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