linux-ext4 - Re: [PATCH 5 3/4] nfsd_open(): rename 'int access' to 'int may_flags' in nfsd

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Message-ID: <20120313200117.GA21991@fieldses.org>
Date:	Tue, 13 Mar 2012 16:01:17 -0400
From:	"J. Bruce Fields" <bfields@...ldses.org>
To:	"J. Bruce Fields" <bfields@...hat.com>
Cc:	Ted Ts'o <tytso@....edu>,
	Bernd Schubert <bernd.schubert@...m.fraunhofer.de>,
	linux-nfs@...r.kernel.org, linux-ext4@...r.kernel.org,
	linux-fsdevel@...r.kernel.org, yong.fan@...mcloud.com,
	sandeen@...hat.com, adilger@...mcloud.com
Subject: Re: [PATCH 5 3/4] nfsd_open(): rename 'int access' to 'int
 may_flags' in nfsd_open()

On Mon, Mar 12, 2012 at 06:22:50PM -0400, bfields wrote:
> On Mon, Mar 12, 2012 at 11:49:21AM -0400, J. Bruce Fields wrote:
> > On Mon, Mar 12, 2012 at 11:09:12AM -0400, Ted Ts'o wrote:
> > > On Fri, Mar 09, 2012 at 03:51:48PM -0500, Ted Ts'o wrote:
> > > > 
> > > > Linus in general doesn't like cross tree merges (or any extraneous
> > > > merges) unless they are absolutely necessary; but then, he trusts git
> > > > merges more than many of us do.  :-)
> > > > 
> > > > I've put the the patch series on a separate patch, with a signed tag, at:
> > > > 
> > > >      git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git nfs-ext4-premerge
> > > > 
> > > > Can you confirm that you've pulled it into your tree and it's landed
> > > > in linux-next?  I probably won't bother pulling it in mine unless
> > > > there is definitely a merge conflict that I need to resolve.  (I've
> > > > checked and there do not appear to be any against linux-next as of
> > > > last night.)
> > > 
> > > Ping?
> > 
> > Whoops, sorry.
> > 
> > Looks perfect, thanks for handling these!
> > 
> > I'm running them through my usual regression tests
> 
> Urgh, I'm seeing a failure on the telldir test (part of the "special"
> connectathon tests).  I haven't looked at what it's trying to do yet.
> Reproduceable even just on a local filesystem without NFS involved.  If
> someone wants to look at it, you can just do:
> 
> 	git clone git://linux-nfs.org/~bfields/cthon04.git
> 	cd cthon04
> 	make 
> 	NFS_TESTDIR=/somewhere_on_an_ext4_fs/TMP ./runtests -s
> 
> (Or after running that, more specifically,
> 
> 	cd /somewhere_on_an_ext4_fs/TMP/
> 	./telldir
> 
> )
> 
> I'll look at it tomorrow.

Looks like seekdir is just not accepting an offset returned from
getdents:

	openat(AT_FDCWD, "telldir-test", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 3
	getdents(3, {...{d_ino=20386, d_off=5728083968307607285, d_reclen=24, d_name="192"}...} = 4848
	lseek(3, 5728083968307607285, SEEK_SET) = -1 EINVAL (Invalid argument)

Still investigating.

--b.
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