[Ocfs2-devel] [PATCH] ocfs2: reflink deadlock when clone file to the same directory simultaneously

Andrew Morton akpm at linux-foundation.org
Mon Oct 17 02:29:02 UTC 2022


On Mon, 17 Oct 2022 09:51:14 +0800 Joseph Qi <jiangqi903 at gmail.com> wrote:

> Hi Andrew,
> 
> On 10/17/22 7:29 AM, Andrew Morton via Ocfs2-devel wrote:
> > On Thu, 26 Aug 2021 13:56:16 +0800 Gang He <ghe at suse.com> wrote:
> > 
> >> So, I will send a new patch to fix this deadlock problem via dlmglue layer.
> >> For this patch, I want to change the patch comments as a reflink 
> >> improvement patch.
> > 
> > Did this ever happen?  I've been sitting on this patch for ages.
> > 
> Looked back this thread, the root cause of deadlock seems to be the
> asynchronous of fsdlm handling. So this is not a right fix.
> While for the performance improvement, I need some test data as well.

OK, thanks, I dropped the patch.



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