]> git.baikalelectronics.ru Git - kernel.git/commit
block: bio-integrity: Advance seed correctly for larger interval sizes
authorMartin K. Petersen <martin.petersen@oracle.com>
Fri, 4 Feb 2022 03:42:09 +0000 (22:42 -0500)
committerJens Axboe <axboe@kernel.dk>
Fri, 4 Feb 2022 04:09:24 +0000 (21:09 -0700)
commit97d27359232179568d221e6b3438998b3718060a
tree111a17be7736a7b179a60ac898a72aee2213113d
parentc04f78ae9c17f69c9c5dc22b3f9be2abacc889cd
block: bio-integrity: Advance seed correctly for larger interval sizes

Commit 2640c76ba955 ("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: 2640c76ba955 ("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>
block/bio-integrity.c