Re: [PATCH V2 0/3] block: avoid to use bi_vcnt in bio_may_need_split()

[Jens Axboe <axboe@kernel.dk>]

On Wed, 31 Dec 2025 11:00:54 +0800, Ming Lei wrote:
> This series cleans up bio handling to use bi_iter consistently for both
> cloned and non-cloned bios, removing the reliance on bi_vcnt which is
> only meaningful for non-cloned bios.
> 
> Currently, bio_may_need_split() uses bi_vcnt to check if a bio has a
> single segment. While this works, it's inconsistent with how cloned bios
> operate - they use bi_iter for iteration, not bi_vcnt. This inconsistency
> led to io_uring needing to recalculate iov_iter.nr_segs to ensure bi_vcnt
> gets a correct value when copied.
> 
> [...]

Applied, thanks!

[1/3] block: use bvec iterator helper for bio_may_need_split()
      commit: ee623c892aa59003fca173de0041abc2ccc2c72d
[2/3] block: don't initialize bi_vcnt for cloned bio in bio_iov_bvec_set()
      commit: 641864314866dff382f64cd8b52fd6bf4c4d84f6
[3/3] io_uring: remove nr_segs recalculation in io_import_kbuf()
      commit: 15f506a77ad61ac3273ade9b7ef87af9bdba22ad

Best regards,
-- 
Jens Axboe