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.