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Date:      Wed, 11 Oct 2006 12:42:13 +1000
From:      "Jan Mikkelsen" <janm@transactionware.com>
To:        "Daichi GOTO" <daichi@freebsd.org>, "Danny Braniss" <danny@cs.huji.ac.il>
Cc:        freebsd-fs@freebsd.org, freebsd-current@freebsd.org, Kris Kennaway <kris@obsecurity.org>
Subject:   Re: [ANN] unionfs patchset-16 release, it is ready for the merge
Message-ID:  <004d01c6ecde$db9ca990$3301a8c0@janmxp>
References:  <44B67340.1080405@freebsd.org> <44B74036.6060101@freebsd.org><20060903170129.GA98917@xor.obsecurity.org><20060903172033.GA99212@xor.obsecurity.org><20060904184717.GA41475@xor.obsecurity.org><44FD8B2B.60501@freebsd.org> <E1GXERG-000BLK-2p@cs1.cs.huji.ac.il> <452B750D.2020104@freebsd.org>

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Daichi GOTO wrote:
> Danny Braniss wrote:
>> [...]
>>> Yeah, we have a new patchset to solve above problem I think.
>>
>> any chance that the new unionfs will make it to 6.2?
>
> We cannot merger unionfs patch to 6.x branch. It'll just only for
> -current. For 6.x patchset is just a patchset.

Getting it to 6-STABLE at some point would be very nice;  what is currently 
there is unusable.

I have been using your patch successfully and I certainly don't see any 
regressions.  The man pages make it clear that the subsystem will be subject 
to change.

>> I'm using it, and it's working just fine - as opposed to the unusable
>> one supplied.
>
> For under some heavy situation with mount_nullfs, it has a problem since 
> the lock mechanism. To solve that problem, we need a new API(function)
> for VFS. We are discussing about it and need vfs-hackers help.
> Sorry for my slow response :(

Even so, your patch works better than what is there.

>> If not, Daichi GOTO, will you have a new set of patches? union_vfsops.c 
>> just changed, for example.
>> thanks,
>> danny
>
> uhmm...  you need a new patchset if it is under construction?

The patch at http://people.freebsd.org/~daichi/unionfs/unionfs6-p16.diff no 
longer applies cleanly to 6-STABLE.  Where you have replaced complete files, 
it might be worth just providing the new file.

Thank you for your work on this;  I find it very useful.

Regards,

Jan Mikkelsen




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