From patchwork Fri Apr 15 20:17:44 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bart Van Assche X-Patchwork-Id: 562138 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 95232C433EF for ; Fri, 15 Apr 2022 20:18:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1351606AbiDOUUd (ORCPT ); Fri, 15 Apr 2022 16:20:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54950 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244545AbiDOUUb (ORCPT ); Fri, 15 Apr 2022 16:20:31 -0400 Received: from mail-pg1-f182.google.com (mail-pg1-f182.google.com [209.85.215.182]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 95D44DE0BE for ; Fri, 15 Apr 2022 13:18:01 -0700 (PDT) Received: by mail-pg1-f182.google.com with SMTP id q19so8432054pgm.6 for ; Fri, 15 Apr 2022 13:18:01 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=NVETNu0tXbhWTo24Q4mydqzYBbQNI2EFycBcH67wHBY=; b=lb8j2bmJ5LWf8MnMh+RpUcDL7MLNAmGKBapPb+05P0s8q/osY5myw9IXuDSM6+uERH c+Im6JST2InxOCcgfE7Jpw/dAjkBo1BTZHtFx0+NuXnwp2A1WUzWKwjbHrG3hHLKh6z/ Gm+ZJiYxSnW3adVUnDoWBO40WOdjXU1j29IT0ivS8H3lNVbWHw094vSvCt/CrlGluGyx 6u4MZLg33or0U09AkCrWEkdHs9KG+2MHRoJDRx0Zq4zGtHjH5/1feVkg5TPnop3FvM4g ElkQK6Vit/QpbDLpgnp8a/1facuivudes0ZRIf/ZlmyEW27l3fUDMPUcUawKVVWhzw4l xIvg== X-Gm-Message-State: AOAM53182DbK0/vN9cWj61BiLnEf/HMksqv1YPl3zdjNQmnvfZNPD7aY 5IHTUNv4ACXOJ+hskP6lSSQ= X-Google-Smtp-Source: ABdhPJyGDk/Mx12E02UYW3/E60oX83isekIFPNalxP2IlV3tkXE3Zzalffsw1m2PhX5NPO2nfocDYg== X-Received: by 2002:a63:5f05:0:b0:39d:b7da:1c58 with SMTP id t5-20020a635f05000000b0039db7da1c58mr558157pgb.22.1650053880921; Fri, 15 Apr 2022 13:18:00 -0700 (PDT) Received: from bvanassche-linux.mtv.corp.google.com ([2620:15c:211:201:a014:c21c:c3f8:d62]) by smtp.gmail.com with ESMTPSA id q9-20020a056a00088900b004fe1a045e97sm3641141pfj.118.2022.04.15.13.17.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 15 Apr 2022 13:18:00 -0700 (PDT) From: Bart Van Assche To: "Martin K . Petersen" Cc: Jaegeuk Kim , Damien Le Moal , Hannes Reinecke , Shaun Tancheff , linux-scsi@vger.kernel.org, Bart Van Assche Subject: [PATCH 0/8] Support zoned devices with gap zones Date: Fri, 15 Apr 2022 13:17:44 -0700 Message-Id: <20220415201752.2793700-1-bvanassche@acm.org> X-Mailer: git-send-email 2.36.0.rc0.470.gd361397f0d-goog MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Hi Martin, In ZBC-2 support has been improved for zones with a size that is not a power of two by allowing host-managed devices to report gap zones. This patch adds support for zoned devices for which data zones and gap zones alternate if the distance between zone start LBAs is a power of two. Please consider this patch series for kernel v5.19. Thanks, Bart. Bart Van Assche (8): scsi: sd_zbc: Improve source code documentation scsi: sd_zbc: Rename a local variable scsi: sd_zbc: Verify that the zone size is a power of two scsi: sd_zbc: Introduce struct zoned_disk_info scsi: sd_zbc: Hide gap zones scsi_debug: Fix a typo scsi_debug: Rename zone type constants scsi_debug: Add gap zone support drivers/scsi/scsi_debug.c | 147 +++++++++++++++++++++------- drivers/scsi/sd.h | 28 ++++-- drivers/scsi/sd_zbc.c | 199 ++++++++++++++++++++++++++++++-------- include/scsi/scsi_proto.h | 8 +- 4 files changed, 301 insertions(+), 81 deletions(-)