Re: 2.6.34rc4 NFS writeback regression (bisected): client oftenfails to delete things it just created

From: Trond Myklebust
Date: Sun Apr 18 2010 - 16:13:57 EST


On Sun, 2010-04-18 at 21:03 +0100, Nix wrote:
> On 18 Apr 2010, Trond Myklebust said:
>
> > On Sun, 2010-04-18 at 20:27 +0100, Nix wrote:
> >> On 18 Apr 2010, Trond Myklebust verbalised:
> >> tip-of-tree includes that commit, and it's still happening for me there.
> >> (Just verified again.)
> >
> > Does a 'sync' clear out the sillyrenamed files?
>
> Yes.

OK. Next question is how these files are being written. If you 'strace'
the process, do you see ordinary write() calls being used, or is the
file perhaps being written via mmap()?

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