Re: [PATCH] btrfs: allocate dummy ordereded_sums objects for nocsum I/O on zoned file systems

[David Sterba <dsterba@suse.cz>]

On Fri, Jun 09, 2023 at 06:55:16AM +0200, Christoph Hellwig wrote:
> On Thu, Jun 08, 2023 at 05:40:15PM +0200, David Sterba wrote:
> > This patch is still in the devlopment queue so I don't want to do a
> > separate fix. Please send an incremental update that cleanly applies to
> > the patch.
> > 
> > There's a minor conflict in context of btrfs_finish_ordered_zoned in
> > zoned.c which only sets up the fs_info, so trivial to fix but the new
> > helper btrfs_alloc_dummy_sum() uses bbio->ordered which is not available
> > at this time and was added in a different series ("btrfs: add an
> > ordered_extent pointer to struct btrfs_bio").
> > 
> > Due to that there may be a cascading change needed in other patches in
> > misc-next but that should be fixable, the logic of adding bbio::ordered
> > is clear.
> 
> Ok.  Here is a stash of patches:
> 
>  1) incremental diff
>  2) complete replacement for that commit with the incremental
>     diff included
> 
> And then new version of the two later patches affected by the squashing:
> 
>  3) btrfs: defer splitting of ordered extents until I/O completion
>  4) btrfs: add an ordered_extent pointer to struct btrfs_bio
> 
> A git tree with all this is also available here:
> 
>     git://git.infradead.org/users/hch/misc.git btrfs-zoned-fixes

Thanks. I used the patches in the mail, I can't pull from infradead
(it.infradead.org[0: ...]: errno=Connection refused) so I at least
compared the committed versions against the patches. Misc-next updated
and pushed but I haven't tested it yet.