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block: bio-integrity: Advance seed correctly for larger interval sizes
commitb13e0c7185
upstream. Commit309a62fa3a
("bio-integrity: bio_integrity_advance must update integrity seed") added code to update the integrity seed value when advancing a bio. However, it failed to take into account that the integrity interval might be larger than the 512-byte block layer sector size. This broke bio splitting on PI devices with 4KB logical blocks. The seed value should be advanced by bio_integrity_intervals() and not the number of sectors. Cc: Dmitry Monakhov <dmonakhov@openvz.org> Cc: stable@vger.kernel.org Fixes:309a62fa3a
("bio-integrity: bio_integrity_advance must update integrity seed") Tested-by: Dmitry Ivanov <dmitry.ivanov2@hpe.com> Reported-by: Alexey Lyashkov <alexey.lyashkov@hpe.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Link: https://lore.kernel.org/r/20220204034209.4193-1-martin.petersen@oracle.com Signed-off-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -399,7 +399,7 @@ void bio_integrity_advance(struct bio *bio, unsigned int bytes_done)
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struct blk_integrity *bi = blk_get_integrity(bio->bi_disk);
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unsigned bytes = bio_integrity_bytes(bi, bytes_done >> 9);
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bip->bip_iter.bi_sector += bytes_done >> 9;
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bip->bip_iter.bi_sector += bio_integrity_intervals(bi, bytes_done >> 9);
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bvec_iter_advance(bip->bip_vec, &bip->bip_iter, bytes);
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}
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EXPORT_SYMBOL(bio_integrity_advance);
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