linux-kernel - [PATCH v11 0/3] ublk: enable zoned storage support

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-next>] [day] [month] [year] [list]

Message-ID: <20230804114610.179530-1-nmi@metaspace.dk>
Date:   Fri,  4 Aug 2023 13:46:07 +0200
From:   "Andreas Hindborg (Samsung)" <nmi@...aspace.dk>
To:     Ming Lei <ming.lei@...hat.com>
Cc:     Aravind Ramesh <Aravind.Ramesh@....com>,
        Christoph Hellwig <hch@...radead.org>, gost.dev@...sung.com,
        Minwoo Im <minwoo.im.dev@...il.com>,
        Hans Holmberg <Hans.Holmberg@....com>,
        Matias Bjorling <Matias.Bjorling@....com>,
        Damien Le Moal <dlemoal@...nel.org>,
        Andreas Hindborg <a.hindborg@...sung.com>,
        Johannes Thumshirn <jth@...nel.org>,
        linux-kernel@...r.kernel.org (open list),
        Jens Axboe <axboe@...nel.dk>,
        linux-block@...r.kernel.org (open list:BLOCK LAYER)
Subject: [PATCH v11 0/3] ublk: enable zoned storage support

From: Andreas Hindborg <a.hindborg@...sung.com>

Hi All,

This patch set adds zoned storage support to `ublk`. The first two patches do
some house cleaning in preparation for the last patch. The last patch adds
support for report_zones and the following operations:

 - REQ_OP_ZONE_OPEN
 - REQ_OP_ZONE_CLOSE
 - REQ_OP_ZONE_FINISH
 - REQ_OP_ZONE_RESET
 - REQ_OP_ZONE_APPEND

A user space component based on ubdsrv is available for testing [1] with the
"loop" target.

Read/write and zone operations are tested with zenfs [2].

The zone append path is tested with fio -> zonefs -> ublk -> null_blk.

The series is based on v6.5-rc4.

Changes for v11
 - Style fixes
 - Use `kvmalloc()` instead of `__vmalloc()`  for zone report buffer

[1] https://github.com/metaspace/ubdsrv/tree/2966e5f9637b5856d4a4273ae113e31b1c53ff98
[2] https://github.com/westerndigitalcorporation/zenfs
[3] https://git.kernel.dk/linux.git

Andreas Hindborg (3):
  ublk: add helper to check if device supports user copy
  ublk: move check for empty address field on command submission
  ublk: enable zoned storage support

 drivers/block/ublk_drv.c      | 348 ++++++++++++++++++++++++++++++++--
 include/uapi/linux/ublk_cmd.h |  63 +++++-
 2 files changed, 383 insertions(+), 28 deletions(-)


base-commit: 5d0c230f1de8c7515b6567d9afba1f196fb4e2f4
-- 
2.41.0