| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.12 053/296] md/raid5: remove an incorrect assert in in_chunk_boundary | Date | Mon, 31 May 2021 15:11:48 +0200 |
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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);
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