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SubjectRe: [PATCH] ubifs: Fix O_TMPFILE corner case in ubifs_link()
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Hi!

Am 11.04.2017 um 12:20 schrieb Amir Goldstein:
> On Thu, Apr 6, 2017 at 3:26 PM, Richard Weinberger <richard@nod.at> wrote:
>> Am 06.04.2017 um 14:09 schrieb Richard Weinberger:
>>>> Were you able to make any progress? still working on this?
>>>> If this is too complicated to get in for this cycle, better send a patch
>>>> to disable O_TMPFILE support for ubifs and fix the problem properly on
>>>> followup merge cycle.
>>>> Because right now ubifs O_TMPFILE support is broken and breaks overlayfs mount.
>>>
>>> I have a test and currently testing it. As it looks the situation is less worse
>>> than I thought first. :-)
>>
>> s/test/patch :)
>>
>
> Richard,
>
> Maybe it's not my business to interfere with ubifs development and I
> haven't seen your patch.
>
> But on the face of it, it doesn't sound like fixing O_TMPFILE is a
> trivial fix, so not sure
> it is wise to send a patch for -rc7?...
>
> How about sending the patch to disable O_TMPFILE for -rc7 and queuing
> your fix for v4.12?
> Without any patch, v4.11 is going to have a regression with overlayfs+ubifs.

No need to panic.
I verified some stuff and my first patch does the right thing but not in a nice way,
except in oneerror patch. In will land in -rc7.

For the next merge window I prepare patches that introduce a new journal function
for handling tmpfiles.

Thanks,
//richard

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