[Ocfs2-devel] A deadlock when system do not has sufficient memory
Joseph Qi
joseph.qi at huawei.com
Sun Aug 24 22:41:45 PDT 2014
On 2014/8/25 13:00, Sunil Mushran wrote:
> Functions in dlmdomain.c are only triggered during mount. So they cannot trigger the deadlock as described above in this thread. I would leave them as is.
>
It is possible if mounts multiple volumes on each node.
> On Aug 24, 2014 7:06 PM, "Xue jiufei" <xuejiufei at huawei.com <mailto:xuejiufei at huawei.com>> wrote:
>
> Hi Sunil,
> On 2014/8/23 1:08, Sunil Mushran wrote:
> > Allocs made via GFP_NOFS, by definition, should not trigger any reclaim from the fs.
> > So this situation should never arise. That's why all allocs in the dlm have NOFS.
> >
> Thanks for your reply. I haven't noticed that before. So I think
> dlm_query_region_handler() should also use GFP_NOFS instead of GFP_KERNEL,
> right?
>
> Thanks.
> Xuejiufei
> >
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