Re: [PATCH] CIFS: unlock file across process

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вт, 18 февр. 2020 г. в 18:10, Murphy Zhou <jencce.kernel@xxxxxxxxx>:
>
> On Fri, Feb 14, 2020 at 11:03:00AM -0800, Pavel Shilovsky wrote:
> > Also, please make sure that resulting patch works against Windows file
> > share since the locking semantics may be different there.
>
> OK.
>
> >
> > Depending on a kind of lease we have on a file, locks may be cached or
> > not. We probably don't want to have different behavior for cached and
> > non-cached locks. Especially given the fact that a lease may be broken
> > in the middle of app execution and the different behavior will be
> > applied immediately.
>
> Testing new patch with and without cache=none option, both samba
> and Win2019 server.
>
> Thanks very much for reviewing!
>

cache=none only affects IO and doesn't change the client behavior
regarding locks. "nolease" mount option can be used to turn off leases
and make all locks go to the server.

--
Best regards,
Pavel Shilovsky




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