On Wed, Dec 06, 2017 at 09:27:50AM +0200, Nikolay Borisov wrote:
> On 5.12.2017 19:50, David Sterba wrote:
> > On Tue, Dec 05, 2017 at 04:10:59PM +0800, Qu Wenruo wrote:
> >>
> >>
> >> On 2017年12月05日 15:29, Nikolay Borisov wrote:
> >>> This function was introduced by 247e743cbe6e ("Btrfs: Use async helpers to deal
> >>> with pages that have been improperly dirtied") and it didn't do any error
> >>> handling then. This function might very well fail in ENOMEM situation, yet
> >>> it's not handled, this could lead to inconsistent state. So let's handle the
> >>> failure by setting the mapping error bit.
> >>>
> >>> Signed-off-by: Nikolay Borisov <nborisov@xxxxxxxx>
> >>> Cc: stable@xxxxxxxxxxxxxxx
> >>
> >> Reviewed-by: Qu Wenruo <wqu@xxxxxxxx>
> >>
> >> That's the only missing one. Nice catch.
> >
> > You mean the only unhandled call of btrfs_set_extent_delalloc? There's
> > one more in relocate_file_extent_cluster.
>
> I'd prefer this call site be handled in a separate patch.
Agreed, just that Qu indicated there's no such call site :)
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