[dm-devel] dm: Integrity errors should not cause failover

[Mike Snitzer]

On Tue, Mar 08 2011 at 10:20am -0500,
James Bottomley <James.Bottomley at suse.de> wrote:

> On Tue, 2011-03-08 at 10:14 -0500, Mike Snitzer wrote:
> > On Tue, Mar 08 2011 at  1:54am -0500,
> > Martin K. Petersen <martin.petersen at oracle.com> wrote:
> > 
> > > 
> > > Integrity errors need to be passed to the owner of the integrity
> > > metadata for processing. Consequently EILSEQ should be passed up the
> > > stack.
> > > 
> > > Signed-off-by: Martin K. Petersen <martin.petersen at oracle.com>
> > 
> > Acked-by: Mike Snitzer <snitzer at redhat.com>
> > 
> > Thanks Martin.  But James has already staged a few patches associated
> > with IO error differentation for 2.6.39.  Your dm-mpath patch will need
> > to be rebased on that work; best to feed it to James too.
> > 
> > (we were gambling that there wouldn't be additional DM or block changes
> > related to this work and figured it safe to have James carry all the
> > SCSI, block and DM changes... ;)
> > 
> > Problem is I'm not seeing a 2.6.39 branch in James' scsi-2.6-misc.git
> > (even though I know the changes are staged there ;)
> > 
> > See:
> > http://git.kernel.org/?p=linux/kernel/git/jejb/scsi-misc-2.6.git;a=commit;h=79775567e0439ca47eb9f501e52c4b713d44cf89
> > http://git.kernel.org/?p=linux/kernel/git/jejb/scsi-misc-2.6.git;a=commit;h=751b2a7d623ead9e55f751a6087efeab454b5659
> > http://git.kernel.org/?p=linux/kernel/git/jejb/scsi-misc-2.6.git;a=commit;h=63583cca745f440167bf27877182dc13e19d4bcf
> > 
> > James,
> > Any easy way to get Martin your 2.6.39 tree?  Do you have a branch (just
> > the tag isn't exposed)?
> 
> Branch for what?  It's a linear tree with all the SCSI patches on
> master.

Ah.. good to know.  I hadn't looked that closely ;)

But now that I look, you've been quite busy!  The above commits are
buried pretty deep by now.

Mike