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SubjectRe: [RFC xfstests PATCH] xfstests: add a writeback error handling test
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On Mon, 2017-04-24 at 08:00 -0700, Christoph Hellwig wrote:
> On Mon, Apr 24, 2017 at 09:45:51AM -0400, Jeff Layton wrote:
> > With the patch series above, ext4 now passes. xfs and btrfs end up in
> > r/o mode after the test. xfs returns -EIO at that point though, and
> > btrfs returns -EROFS. What behavior we actually want there, I'm not
> > certain. We might be able to mitigate that by putting the journals on a
> > separate device?
>
> This looks like XFS shut down because of a permanent write error from
> dm-error. Which seems like the expected behavior.

Oops, didn't see this message earlier...

Yeah, that's entirely reasonable when there is a write error to the
journal. The latest version of this uses $SCRATCH_LOGDEV to put the
journal on a different device, and with that I get the expected behavior
from xfs.

Thanks,
--
Jeff Layton <jlayton@redhat.com>

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