Re: [PATCH 0/4] 2.6.21-rc7 NFS writes: fix a series of issues

Florin Iucha
2007-04-18T03:50:39Z

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On Tue, Apr 17, 2007 at 11:06:05PM -0400, Trond Myklebust wrote:
> > > I've split the issues introduced by the 2.6.21-rcX write code up into 4
> > > subproblems.
> > >
> > > The first patch is just a cleanup in order to ease review.
> > >
> > > Patch number 2 ensures that we never release the PG_writeback flag until
> > > _after_ we've either discarded the unstable request altogether, or put it
> > > on the nfs_inode's commit or dirty lists.
> > >
> > > Patch number 3 fixes the 'desynchronized value of nfs_i.ncommit' error. It
> > > uses the PG_NEED_COMMIT flag as an indicator for whether or not the request
> > > may be redirtied.
> > >
> > > Patch number 4 protects the NFS '.set_page_dirty' address_space operation
> > > against races with nfs_inode_add_request.
> >
> > For 2.6.21, yes?
>
> Right. A couple of nasty regressions have been sighted. This series
> attempts to deal with them all.

The good news is that the Gnome session log-in progresses to the point
where both top and bottom bars are painted (gray) and the bottom bar
is populated with icons (2.6.21-rc7 vanilla stops after displaying the
splash). The bad news is that it stops there.

Big-copy fails as well, after 2.5G transferred.

The process traces are at:

http://iucha.net/nfs/21-rc7-nfs1/gnome-session
http://iucha.net/nfs/21-rc7-nfs1/big-copy

Regards,
florin

--
Bruce Schneier expects the Spanish Inquisition.
http://geekz.co.uk/schneierfacts/fact/163

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