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Re: [dm-devel] 2.6.35 causes deadlock when snapshotting root lv



On 6/17/2010 10:27 AM, Mike Snitzer wrote:
> Which filesystem are you using?  Which 2.6.35-rc?

ext4, rc1, 2, and 3.

> There haven't been _any_ changes to DM for 2.6.35 (some DM fixes may get
> pushed to Linus once Alasdair gets back from traveling).

I just finished combing through the git log myself and was getting
concerned that I couldn't find any dm changes.  At least now I know that
I couldn't find them because they aren't there.

> So what this means is that the VFS (or ext4) freeze changes introduced
> in 2.6.35 are the likely culprit:
> 
> http://git.kernel.org/linus/18e9e5104fcd9a9
> http://git.kernel.org/linus/6b0310fbf087ad6

Yes, these do look suspicious.  I'll test reverting them tonight.


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