Thanks for testing it!
Please update the thread once you verify the patch with the other
software you mentioned. If it works fine, I will prepare a formal
patch for the mainline and active stable kernels.
--
Best regards,
Pavel Shilovsky
ср, 25 сент. 2019 г. в 12:23, Moritz M <mailinglist@xxxxxxxxxxxxxxxx>:
>
>
> Thanks Pavel.
> After messing around with the Kernel build procedure on my distro and
> adapting the patch slightly (filenumbers did not match) I got a working
> cifs module. And it solved the issue at least for the python test.
>
> I'll check tomorrow the other software where it occured.
>
> >>
> > Could you try the following patch in your setup to see if it fixes the
> > problem?
> >
> > diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
> > index 047066493832..00d2ac80cd6e 100644
> > --- a/fs/cifs/smb2ops.c
> > +++ b/fs/cifs/smb2ops.c
> > @@ -3314,6 +3314,11 @@ smb21_set_oplock_level(struct cifsInodeInfo
> > *cinode, __u32 oplock,
> > if (oplock == SMB2_OPLOCK_LEVEL_NOCHANGE)
> > return;
> >
> > + /* Check if the server granted an oplock rather than a lease */
> > + if (oplock & SMB2_OPLOCK_LEVEL_EXCLUSIVE)
> > + return smb2_set_oplock_level(cinode, oplock, epoch,
> > + purge_cache);
> > +
> > if (oplock & SMB2_LEASE_READ_CACHING_HE) {
> > new_oplock |= CIFS_CACHE_READ_FLG;
> > strcat(message, "R");
> >
> >
> > --
> > Best regards,
> > Pavel Shilovsky
