Re: [RFC PATCH] md: split bio by io_opt size in md_submit_bio()

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On Wed, Jul 16, 2025 at 08:10:33PM +0800, Coly Li wrote:
> Just like hanlding discard requests, handling raid5 read/write bios should
> try to split the large bio into opt_io_size aligned both *offset* and
> *length*. If I understand correctly, bio_split_to_limits() doesn't handle
> offset alignment for read5 read/write bios.

Well, if you want offset alignment, set chunk_sectors.





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