[PATCH] Fix bug #13121 - Non-smbd processes using kernel oplocks can hang smbd

Gary Lockyer gary at catalyst.net.nz
Wed Nov 15 17:55:13 UTC 2017

I'm now seeing significant numbers of builds hanging in:

[558(3538)/2212 at 1h13m33s] samba3.smb2.kernel-oplocks(nt4_dc)

On 10/11/17 10:39, Jeremy Allison via samba-technical wrote:
> After discussion with Ralph and Volker, here is a fix
> for the case where smbd tries to open a file that has
> a linux kernel lease on it by another (non-smbd) process.
> Changes retry_open() to setup_kernel_oplock_poll_open()
> to make things clear.
> Includes a regression test case that demonstrates the
> problem.
> NB. This patch depends on the previously posted patch
> for bug #13058 being applied first, so I'm attaching
> both fixes here (in case you want to be a good citizen
> and review both together :-).
> Cheers,
> 	Jeremy.

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