Re: [PATCH v3 0/4] multi-page bvec configuration for integrity payload

From: Jens Axboe
Date: Thu Aug 10 2023 - 09:20:11 EST



On Thu, 03 Aug 2023 11:46:56 +0900, Jinyoung Choi wrote:
> In the case of NVMe, it has an integrity payload consisting of one segment.
> So, rather than configuring SG_LIST, it was changed by direct DMA mapping.
>
> The page-merge is not performed for the struct bio_vec when creating
> a integrity payload in block.
> As a result, when creating an integrity paylaod beyond one page, each
> struct bio_vec is generated, and its bv_len does not exceed the PAGESIZE.
>
> [...]

Applied, thanks!

[1/4] block: make bvec_try_merge_hw_page() non-static
commit: 7c8998f75d2d42ddefb172239b0f689392958309
[2/4] bio-integrity: update the payload size in bio_integrity_add_page()
commit: 80814b8e359f7207595f52702aea432a7bd61200
[3/4] bio-integrity: cleanup adding integrity pages to bip's bvec.
commit: d1f04c2e23c99258049c6081c3147bae69e5bcb8
[4/4] bio-integrity: create multi-page bvecs in bio_integrity_add_page()
commit: 0ece1d649b6dd615925a72bc1824d6b9fa5b998a

Best regards,
--
Jens Axboe