> -----Original Message----- > From: Greg Kroah-Hartman [mailto:gre...@linuxfoundation.org] > Sent: Thursday, November 29, 2012 8:46 PM > To: Ben Hutchings > Cc: Peng Tao; Myklebust, Trond; linux-kernel@vger.kernel.org; > sta...@vger.kernel.org; kernel-t...@lists.ubuntu.com; Herton Ronaldo > Krzesinski > Subject: Re: [PATCH 041/270] pnfsblock: fix partial page buffer wirte > > On Tue, Nov 27, 2012 at 02:33:24AM +0000, Ben Hutchings wrote: > > On Mon, 2012-11-26 at 14:55 -0200, Herton Ronaldo Krzesinski wrote: > > > 3.5.7u1 -stable review patch. If anyone has any objections, please let me > know. > > > > > > ------------------ > > > > > > From: Peng Tao <bergw...@gmail.com> > > > > > > commit fe6e1e8d9fad86873eb74a26e80a8f91f9e870b5 upstream. > > > > > > If applications use flock to protect its write range, generic NFS > > > will not do read-modify-write cycle at page cache level. Therefore > > > LD should know how to handle non-sector aligned writes. Otherwise > > > there will be data corruption. > > > > > > Signed-off-by: Peng Tao <tao.p...@emc.com> > > > Signed-off-by: Trond Myklebust <trond.mykleb...@netapp.com> > > > Signed-off-by: Herton Ronaldo Krzesinski > > > <herton.krzesin...@canonical.com> > > [...] > > > > I notice that this fix is missing from 3.4, and will need backporting. > > I don't trust myself with backporting this, as I got it wrong. So if one of > the > NFS developers wants to do this (same goes for the other NFS patch), I'll > gladly take it. >
Tao would be the right person to do this since he has access to pNFS blocks hardware and can test the results. Cheers Trond -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/