linux-kernel - Re: [PATCH] zram: take device and not only bvec offset into account

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: <169127361527.13732.4190461845439151626.b4-ty@kernel.dk>
Date:   Sat, 05 Aug 2023 16:13:35 -0600
From:   Jens Axboe <axboe@...nel.dk>
To:     minchan@...nel.org, senozhatsky@...omium.org,
        Christoph Hellwig <hch@....de>
Cc:     linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        Dusty Mabe <dusty@...tymabe.com>
Subject: Re: [PATCH] zram: take device and not only bvec offset into
 account


On Sat, 05 Aug 2023 07:55:37 +0200, Christoph Hellwig wrote:
> Commit af8b04c63708 ("zram: simplify bvec iteration in
> __zram_make_request") changed the bio iteration in zram to rely on the
> implicit capping to page boundaries in bio_for_each_segment.  But it
> failed to care for the fact zram not only care about the page alignment
> of the bio payload, but also the page alignment into the device.  For
> buffered I/O and swap those are the same, but for direct I/O or kernel
> internal I/O like XFS log buffer writes they can differ.
> 
> [...]

Applied, thanks!

[1/1] zram: take device and not only bvec offset into account
      commit: 95848dcb9d676738411a8ff70a9704039f1b3982

Best regards,
-- 
Jens Axboe