Re: [PATCH RFC 0/3] md/raid1: data corruption with serialization

Hi,

在 2026/2/5 9:06, Xiao Ni 写道:
> And let me change to this:
> Setup: RAID1 with one fast disk and one slow disk. Two requests R1 and
> R2, each split into LO and HI parts
>
> Step 1-10: Request R1 Processing
>    - R1-LO: writes to fast disk → completes
>    - R1-LO: writes to slow disk → starts (slow)
>    - R1-HI: incorrectly waits for R1-LO (wrong sector range check)
>    - R1-HI: R1-LO finishes and wakes up serial_io_wait. R1-HI finally
> writes to fast disk → completes

R1-hi should not wait for r1-lo, as they're not overlap. And as I said
in the first reply, if here are still problem with WriteMostly case, please
rebase and keep serialization for rdev.

-- 
Thansk,
Kuai