Re: [PATCH 2/6] block: use integrity interval instead of sector as seed
Christoph Hellwig <[email protected]> Tue, 7 Apr 2026 22:10:19 -0700
| Newsgroups | org.kernel.vger.target-devel,org.infradead.lists.linux-nvme,org.kernel.vger.linux-block,org.kernel.vger.linux-kernel,org.kernel.vger.linux-scsi |
|---|---|
| Message-ID | <[email protected]> |
On Tue, Apr 07, 2026 at 09:48:52AM -0700, Caleb Sander Mateos wrote: > On Sun, Apr 5, 2026 at 11:35 PM Christoph Hellwig <[email protected]> wrote: > > > > On Fri, Apr 03, 2026 at 01:41:05PM -0600, Caleb Sander Mateos wrote: > > > void bio_integrity_setup_default(struct bio *bio) > > > { > > > struct blk_integrity *bi = blk_get_integrity(bio->bi_bdev->bd_disk); > > > struct bio_integrity_payload *bip = bio_integrity(bio); > > > > > > - bip_set_seed(bip, bio->bi_iter.bi_sector); > > > + bip_set_seed(bip, bio_integrity_intervals(bi, bio->bi_iter.bi_sector)); > > > > Should we simply switch bip_set_seed to take a bio bvec_iter argument and > > lift all this logic into it? That feels a lot less fragile. > > Perhaps I'm misunderstanding the suggestion, but how would that work > for initializing the seed from struct uio_meta in > bio_integrity_map_iter()? > > bip_set_seed(bio_integrity(bio), meta->seed); Just open code the assignment there as the code must be build with blk-integrityu support?