Re: linux-next: manual merge of the block tree with the xfs tree

From: Roger Willcocks
Date: Wed Sep 02 2015 - 09:34:57 EST



On Wed, 2015-09-02 at 23:03 +1000, Stephen Rothwell wrote:
> Hi Roger,
>
> On Wed, 2 Sep 2015 10:45:29 +0100 Roger Willcocks <roger@xxxxxxxxxxxxxxxx> wrote:
> >
> > On 2 Sep 2015, at 03:16, Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
> >

> > > ++ if (!ioend->io_error)
> > > ++ ioend->io_error = bio->bi_error;

> >
> > This is incorrect; it can clear an earlier error status. It should probably read:
> >
> > if (!ioend->io_error && bio->bi_error)
> > ioend->io_error = bio->bi_error;
>
> Thanks, I will use that from tomorrow.
>

Huh, now I've had my coffee, that extra check doesn't add anything.
(There's no harm done in assigning zero to io_error if it's already
zero.) Apologies for the noise.

--
Roger Willcocks <roger@xxxxxxxxxxxxxxxx>

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