On Wed, May 19, 2021 at 4:36 AM wp1083705-spam02 wp1083705-spam02 <spam02@xxxxxxxxxxxx> wrote: > > > > Christoph Hellwig <hch@xxxxxx> hat am 19.05.2021 08:22 geschrieben: > > > > > > Now that the original bdev is stored in the bio this assert is incorrect > > and will trigge for any partitioned raid5 device. > > > > Reported-by: Florian D. <spam02@xxxxxxxxxxxx> > > Fixes: 309dca309fc3 ("block: store a block_device pointer in struct bio"), > > Signed-off-by: Christoph Hellwig <hch@xxxxxx> > > --- > > drivers/md/raid5.c | 2 -- > > 1 file changed, 2 deletions(-) > > > > diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c > > index 841e1c1aa5e6..7d4ff8a5c55e 100644 > > --- a/drivers/md/raid5.c > > +++ b/drivers/md/raid5.c > > @@ -5311,8 +5311,6 @@ static int in_chunk_boundary(struct mddev *mddev, struct bio *bio) > > unsigned int chunk_sectors; > > unsigned int bio_sectors = bio_sectors(bio); > > > > - WARN_ON_ONCE(bio->bi_bdev->bd_partno); > > - > > chunk_sectors = min(conf->chunk_sectors, conf->prev_chunk_sectors); > > return chunk_sectors >= > > ((sector & (chunk_sectors - 1)) + bio_sectors); > > -- > > 2.30.2 > > yes, this solves it, I can confirm with this patch the error/warning message when booting linux-5.12 is gone! Applied to md-fixes. Thanks all. @ Florian, would you like to update the Reported-by tag (with your full name and/or different email)? Thanks, Song