linux-kernel - Re: [PATCH v4 2/9] block: blk-crypto: introduce blk_crypto_bio_sectors

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <YPryLugFwNW+hrT8@gmail.com>
Date:   Fri, 23 Jul 2021 09:45:34 -0700
From:   Eric Biggers <ebiggers@...nel.org>
To:     Satya Tangirala <satyaprateek2357@...il.com>
Cc:     linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jens Axboe <axboe@...nel.dk>,
        Satya Tangirala <satyat@...gle.com>
Subject: Re: [PATCH v4 2/9] block: blk-crypto: introduce
 blk_crypto_bio_sectors_alignment()

On Tue, Jul 06, 2021 at 10:29:36PM -0700, Satya Tangirala wrote:
> From: Satya Tangirala <satyat@...gle.com>
> 
> The size of any bio must be aligned to the data unit size of the bio crypt
> context (if it exists) of that bio. This must also be ensured whenever a
> bio is split. Introduce blk_crypto_bio_sectors_alignment() that returns the
> required alignment in sectors. The number of sectors passed to any call of
> bio_split() must be aligned to blk_crypto_bio_sectors_alignment().
> 
> Signed-off-by: Satya Tangirala <satyat@...gle.com>
> ---
>  block/blk-crypto-internal.h | 17 +++++++++++++++++
>  1 file changed, 17 insertions(+)

Reviewed-by: Eric Biggers <ebiggers@...gle.com>

- Eric