Re: [PATCH v5 12/12] md: fix abnormal io_opt from member disks

On Sat, Jan 17, 2026 at 11:28:49AM +0800, Coly Li wrote:
> > 2026年1月16日 23:08，Christoph Hellwig <[email protected]> 写道：
> > 
> > On Thu, Jan 15, 2026 at 01:12:40AM +0800, Yu Kuai wrote:
> >> It's reported that mtp3sas can report abnormal io_opt, for consequence,
> >> md array will end up with abnormal io_opt as well, due to the
> > 
> > How do you define "abnormal”?
> 
> E.g. a spinning hard drive connect to this HBA card reports its max_sectors as 32767 sectors.
> This is around 16MB and too large for normal hard drive.

Which is larger than what we'd expect for the HDD itself, where it
should be around 1MB.  But HBAs do weird stuff, so it might actually
be correct here.  Have you talked to the mpt3sas maintainers?