[PATCH 5.12 053/296] md/raid5: remove an incorrect assert in in_chunk_boundary

Greg Kroah-Hartman
2021-05-31T16:05:54Z

From: Christoph Hellwig <hch@lst.de>

commit cc146267914950b12c2bdee68c1e9e5453c81cde upstream.

Now that the original bdev is stored in the bio this assert is incorrect
and will trigger for any partitioned raid5 device.

Reported-by: Florian Dazinger <spam02@dazinger.net>
Tested-by: Florian Dazinger <spam02@dazinger.net>
Cc: stable@vger.kernel.org # 5.12
Fixes: 309dca309fc3 ("block: store a block_device pointer in struct bio"),
Reviewed-by: Guoqing Jiang <jiangguoqing@kylinos.cn>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Song Liu <song@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/md/raid5.c | 2 --
1 file changed, 2 deletions(-)

--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -5310,8 +5310,6 @@ static int in_chunk_boundary(struct mdde
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);