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

From: Stephen Rothwell
Date: Tue Jan 21 2025 - 02:33:04 EST


Hi all,

On Tue, 21 Jan 2025 14:49:55 +1100 Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
>
> Today's linux-next merge of the block tree got a conflict in:
>
> fs/bcachefs/move.c
>
> between commits:
>
> 6a967d3330d9 ("bcachefs: data_update now embeds bch_read_bio")
> b4edf03721c3 ("bcachefs: cleanup redundant code around data_update_op initialization")
>
> from the bcachefs tree and commit:
>
> 19206d3f5ef7 ("block: Delete bio_set_prio()")
>
> from the block tree.
>
> I fixed it up (see bottom and the folloing merge resolution patch) and
> can carry the fix as necessary. This is now fixed as far as linux-next
> is concerned, but any non trivial conflicts should be mentioned to your
> upstream maintainer when your tree is submitted for merging. You may
> also want to consider cooperating with the maintainer of the conflicting
> tree to minimise any particularly complex conflicts.
>
> From: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
> Date: Tue, 21 Jan 2025 14:45:32 +1100
> Subject: [PATCH] fix up for "block: Delete bio_set_prio()"
>
> interacting with commits
>
> 6a967d3330d9 ("bcachefs: data_update now embeds bch_read_bio")
> b4edf03721c3 ("bcachefs: cleanup redundant code around data_update_op initialization")
>
> from the bcachefs tree.
>
> Signed-off-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
> ---
> fs/bcachefs/data_update.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/fs/bcachefs/data_update.c b/fs/bcachefs/data_update.c
> index e11d05a4b31e..19b1668c53c0 100644
> --- a/fs/bcachefs/data_update.c
> +++ b/fs/bcachefs/data_update.c
> @@ -818,7 +818,7 @@ int bch2_data_update_init(struct btree_trans *trans,
> m->rbio.bio.bi_iter.bi_size = buf_bytes;
> m->rbio.bio.bi_iter.bi_sector = bkey_start_offset(k.k);
>
> - bio_set_prio(&m->op.wbio.bio, IOPRIO_PRIO_VALUE(IOPRIO_CLASS_IDLE, 0));
> + m->op.wbio.bio.bi_ioprio = IOPRIO_PRIO_VALUE(IOPRIO_CLASS_IDLE, 0);
>
> return 0;
> enomem:
> --
> 2.45.2
>
> diff --cc fs/bcachefs/move.c
> index 0f60025a9532,67fb651f4af4..000000000000
> --- a/fs/bcachefs/move.c
> +++ b/fs/bcachefs/move.c
> @@@ -287,10 -294,26 +287,10 @@@ int bch2_move_extent(struct moving_cont
> ret = bch2_data_update_init(trans, iter, ctxt, &io->write, ctxt->wp,
> io_opts, data_opts, iter->btree_id, k);
> if (ret)
> - goto err_free_pages;
> + goto err_free;
> +
> + io->write.rbio.bio.bi_end_io = move_read_endio;
> - bio_set_prio(&io->write.rbio.bio, IOPRIO_PRIO_VALUE(IOPRIO_CLASS_IDLE, 0));
> ++ io->write.rbio.bio.bi_ioprio = IOPRIO_PRIO_VALUE(IOPRIO_CLASS_IDLE, 0);
>
> io->write.op.end_io = move_write_done;
>

This is now a conflict between the bcachefs tree and Linus' tree.

--
Cheers,
Stephen Rothwell

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