Re: [PATCH 1/2] md/raid1: fix the comparing region of interval tree

在 2026/3/5 9:18, Xiao Ni 写道:

> Interval tree uses [start, end] as a region which stores in the tree.
> In raid1, it uses the wrong end value. For example:
> bio(A,B) is too big and needs to be split to bio1(A,C-1), bio2(C,B).
> The region of bio1 is [A,C] and the region of bio2 is [C,B]. So bio1 and
> bio2 overlap which is not right.
>
> Fix this problem by using right end value of the region.
>
> Fixes: d0d2d8ba0494 ("md/raid1: introduce wait_for_serialization")
> Signed-off-by: Xiao Ni<[email protected]>
> ---
>   drivers/md/raid1.c | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)

patch 1 applied.

-- 
Thansk,
Kuai