Re: [BUG] 2.6.24-rc2-mm1 - kernel bug on nfs v4

[Torsten Kaiser]

On Nov 18, 2007 8:18 PM, Trond Myklebust <trond.myklebust@xxxxxxxxxx> wrote:
> On Sun, 2007-11-18 at 19:44 +0100, Torsten Kaiser wrote:
> > NFSv2/3 and NFSv4 share the same dentry_iput and so share the same
> > unlink and sillyrename logic.
> > But they do not share nfs_init_server()!
> >
> > I wonder why this doesn't blow up more violently, but only hangs...
> >
> > But as I don't know if it is correct to add the workqueue
> > initialization to nfs4_init_server() or remove the nfs_sb_active /
> > nfs_sb_deactive for the NFSv4 case, I can't offer a patch to fix this.
> >
> > Torsten
>
> I had already fixed that one in my own stack. Attached are the 3 patches
> that I've got. 1 from SteveD, 2 fixes.
>

Moving the init_waitqueue_head() like patch
linux-2.6.24-006-fix_to_fix_sillyrename_bug_on_umount.dif and applying
linux-2.6.24-007-fix_nfs_free_unlinkdata.dif lets my testcase work.
Also lockdep no longer complains about the non-static key.

Torsten
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