Linux kernel LOCK_MAND deprecation

[Jeremy Allison]

On Mon, Sep 20, 2021 at 10:44:51AM -0700, Christof Schmitt wrote:
>On Mon, Sep 13, 2021 at 05:46:38PM -0700, Jeremy Allison via samba-technical wrote:
>> On Mon, Sep 13, 2021 at 05:07:50PM -0700, Christof Schmitt wrote:
>> >
>> > https://gitlab.com/samba-team/samba/-/merge_requests/2170
>> > removes the code and does some minor cleanups in related codepath.
>> >
>> > Jeremy, could you take a look? Should we keep the "kernel share modes"
>> > config option? Or just remove it?
>>
>> I think we need to keep it, as on "normal" VFS backends
>> we need a way to turn it off. I'll comment more on the MR:
>> https://gitlab.com/samba-team/samba/-/merge_requests/2170
>
>This has landed now. Would it make sense to rename the VFS flock call to
>something else like "filesystem_sharemode" or "kernel_sharemode". It has
>nothing to do with "flock" at this point, so it looks confusing.

Yep. Now 4.15.0 has shipped it's a good time to make
ABI VFS breaking changes.