From patchwork Sun Oct 27 14:05:46 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Damien Le Moal X-Patchwork-Id: 11214101 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id A51FA112B for ; Sun, 27 Oct 2019 14:06:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7918121850 for ; Sun, 27 Oct 2019 14:06:03 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=wdc.com header.i=@wdc.com header.b="BOxtuXXV" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726901AbfJ0OGD (ORCPT ); Sun, 27 Oct 2019 10:06:03 -0400 Received: from esa2.hgst.iphmx.com ([68.232.143.124]:11568 "EHLO esa2.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726541AbfJ0OGC (ORCPT ); Sun, 27 Oct 2019 10:06:02 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=wdc.com; i=@wdc.com; q=dns/txt; s=dkim.wdc.com; t=1572185238; x=1603721238; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=uaP74axAC0WvTAoZiYMsg3QO52V240mSkQunz5Fl5+U=; b=BOxtuXXVSRbfExrNgsXdLSJwVc17ITNDaa+HVaq6v/g+ts4fOI4Pw/dF iSmO3inT2ctAruh29/2VOPVxUBq80KPL3vuZeZKgJbEFjTZw8w0JxTw4K 9o03EJi4CpHz2b4s8BjeDRrzhjl/9PA6Cg/nil0J+1flMtqxDccDQO1Ys 6a2KNJeaN8dyEhtC2Rti1YEgqa0czts4dwcM9RtEnfHDTlno0kjdXIhGI FRUzjGquztBlgIsc/uyHwLAS8vGMvFh+pS1iiCSUKn5kERrsh+FxWN8Wt URGEL3IDqWfUTpJupW1232MS+QTFAcba1hjt2D8e+kQGD6YO3OWlBO92k Q==; IronPort-SDR: quo4fRDIG9fgFwBEaPb3fSmy5tHTYZpXmSFajyqZvVW4f7ER702aoOT6ZkYijkP8UUH+uS6RMO q8erDCde1E8OY5iG5RZC3lGRs9fOh+ScsqdM30Qhvh6522D7/Igkfb389fVjO0yQHQfBTqVqT8 EgIDkj1x7abIViUnqnmchgCxTd47C1LcmG0JamhsZtROuRHWZ+PioqWjuMR3pyu4oKQtq48nLn Sr96hO3DQdRh7AV7Ege3pZ48VpLhmeNXjO33sV/NpGsxHL5zSrCw7jV7MPY90Sf62+Z0CfBytC ZUA= X-IronPort-AV: E=Sophos;i="5.68,236,1569254400"; d="scan'208";a="222578545" Received: from h199-255-45-14.hgst.com (HELO uls-op-cesaep01.wdc.com) ([199.255.45.14]) by ob1.hgst.iphmx.com with ESMTP; 27 Oct 2019 22:07:17 +0800 IronPort-SDR: xzqt+1ts5mAaJBJcifcy/6GEA7lu/Gz26omlnEw+Egwz4ZN7/5IfJSmbyIHziO1tV6QXGnLEGg yQa+bkpAQLIKYO1AB3oggDHAOUuB1vb/MnG0MkUs0x8PL5hYVl0f25VkRolPkZOhC5bwcyBTbK JS4wJtHzIh3tkcGmbJV9/Gtqj6dMRTbJgQLZAjZynTY0+WT1SOz8QogikeRybT9Tqkx0e4cMvL nBho1+nwq83BQVr/ddCOE5NoYmSZaA5GQ6dy69fvTUaGQuHZRf8+aQEfCQRe/uCJR2sOUaErrH HISOKNcaIpuWXtfhlRnXM/sN Received: from uls-op-cesaip01.wdc.com ([10.248.3.36]) by uls-op-cesaep01.wdc.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Oct 2019 07:01:25 -0700 IronPort-SDR: VlrH5BzpXOv60hD7d74hyOtYP8I+naDylREX8iUfHJ4qqvNN1TorTsWgyRaYO2l6ArJp09VyG2 9bqOl+kY3iixVs645yUz24CN1z82z2gt74Wi/2FIW06rD/CzTnrVMPqJaHBW6Wn+zgzskjL+6U bibOLG2q8I8k9naWFoAqlL3uFQT6NeNBhJJZRDqUyGzNWOwi0SWTXg2vVGU1Lr2A0eoROodZcZ OziFzm7XjpmnTPO7q89pg5dkaD2zVCSvxtcoFYALk6V8jQhH1athHyTvKOX+fCCg5VCG+O+3FV i1Q= WDCIronportException: Internal Received: from washi.fujisawa.hgst.com ([10.149.53.254]) by uls-op-cesaip01.wdc.com with ESMTP; 27 Oct 2019 07:05:59 -0700 From: Damien Le Moal To: linux-block@vger.kernel.org, Jens Axboe , linux-scsi@vger.kernel.org, "Martin K . Petersen" , dm-devel@redhat.com, Mike Snitzer Cc: Ajay Joshi , Matias Bjorling , Hans Holmberg , Dmitry Fomichev , Keith Busch Subject: [PATCH 5/8] block: add zone open, close and finish ioctl support Date: Sun, 27 Oct 2019 23:05:46 +0900 Message-Id: <20191027140549.26272-6-damien.lemoal@wdc.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20191027140549.26272-1-damien.lemoal@wdc.com> References: <20191027140549.26272-1-damien.lemoal@wdc.com> MIME-Version: 1.0 Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org From: Ajay Joshi Introduce three new ioctl commands BLKOPENZONE, BLKCLOSEZONE and BLKFINISHZONE to allow applications to control the condition of zones on a zoned block device through the execution of the REQ_OP_ZONE_OPEN, REQ_OP_ZONE_CLOSE and REQ_OP_ZONE_FINISH operations. Contains contributions from Matias Bjorling, Hans Holmberg, Dmitry Fomichev, Keith Busch, Damien Le Moal and Christoph Hellwig. Signed-off-by: Ajay Joshi Signed-off-by: Matias Bjorling Signed-off-by: Hans Holmberg Signed-off-by: Dmitry Fomichev Signed-off-by: Keith Busch Signed-off-by: Damien Le Moal Reviewed-by: Javier González Reviewed-by: Christoph Hellwig --- block/blk-zoned.c | 28 +++++++++++++++++++++++----- block/ioctl.c | 5 ++++- include/linux/blkdev.h | 10 +++++----- include/uapi/linux/blkzoned.h | 17 ++++++++++++++--- 4 files changed, 46 insertions(+), 14 deletions(-) diff --git a/block/blk-zoned.c b/block/blk-zoned.c index dab34dc48fb6..481eaf7d04d4 100644 --- a/block/blk-zoned.c +++ b/block/blk-zoned.c @@ -357,15 +357,16 @@ int blkdev_report_zones_ioctl(struct block_device *bdev, fmode_t mode, } /* - * BLKRESETZONE ioctl processing. + * BLKRESETZONE, BLKOPENZONE, BLKCLOSEZONE and BLKFINISHZONE ioctl processing. * Called from blkdev_ioctl. */ -int blkdev_reset_zones_ioctl(struct block_device *bdev, fmode_t mode, - unsigned int cmd, unsigned long arg) +int blkdev_zone_mgmt_ioctl(struct block_device *bdev, fmode_t mode, + unsigned int cmd, unsigned long arg) { void __user *argp = (void __user *)arg; struct request_queue *q; struct blk_zone_range zrange; + enum req_opf op; if (!argp) return -EINVAL; @@ -386,8 +387,25 @@ int blkdev_reset_zones_ioctl(struct block_device *bdev, fmode_t mode, if (copy_from_user(&zrange, argp, sizeof(struct blk_zone_range))) return -EFAULT; - return blkdev_zone_mgmt(bdev, REQ_OP_ZONE_RESET, - zrange.sector, zrange.nr_sectors, GFP_KERNEL); + switch (cmd) { + case BLKRESETZONE: + op = REQ_OP_ZONE_RESET; + break; + case BLKOPENZONE: + op = REQ_OP_ZONE_OPEN; + break; + case BLKCLOSEZONE: + op = REQ_OP_ZONE_CLOSE; + break; + case BLKFINISHZONE: + op = REQ_OP_ZONE_FINISH; + break; + default: + return -ENOTTY; + } + + return blkdev_zone_mgmt(bdev, op, zrange.sector, zrange.nr_sectors, + GFP_KERNEL); } static inline unsigned long *blk_alloc_zone_bitmap(int node, diff --git a/block/ioctl.c b/block/ioctl.c index 15a0eb80ada9..8756efb1419e 100644 --- a/block/ioctl.c +++ b/block/ioctl.c @@ -532,7 +532,10 @@ int blkdev_ioctl(struct block_device *bdev, fmode_t mode, unsigned cmd, case BLKREPORTZONE: return blkdev_report_zones_ioctl(bdev, mode, cmd, arg); case BLKRESETZONE: - return blkdev_reset_zones_ioctl(bdev, mode, cmd, arg); + case BLKOPENZONE: + case BLKCLOSEZONE: + case BLKFINISHZONE: + return blkdev_zone_mgmt_ioctl(bdev, mode, cmd, arg); case BLKGETZONESZ: return put_uint(arg, bdev_zone_sectors(bdev)); case BLKGETNRZONES: diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index bf797a63388c..dbef541c2530 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -367,8 +367,8 @@ extern int blk_revalidate_disk_zones(struct gendisk *disk); extern int blkdev_report_zones_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd, unsigned long arg); -extern int blkdev_reset_zones_ioctl(struct block_device *bdev, fmode_t mode, - unsigned int cmd, unsigned long arg); +extern int blkdev_zone_mgmt_ioctl(struct block_device *bdev, fmode_t mode, + unsigned int cmd, unsigned long arg); #else /* CONFIG_BLK_DEV_ZONED */ @@ -389,9 +389,9 @@ static inline int blkdev_report_zones_ioctl(struct block_device *bdev, return -ENOTTY; } -static inline int blkdev_reset_zones_ioctl(struct block_device *bdev, - fmode_t mode, unsigned int cmd, - unsigned long arg) +static inline int blkdev_zone_mgmt_ioctl(struct block_device *bdev, + fmode_t mode, unsigned int cmd, + unsigned long arg) { return -ENOTTY; } diff --git a/include/uapi/linux/blkzoned.h b/include/uapi/linux/blkzoned.h index 498eec813494..0cdef67135f0 100644 --- a/include/uapi/linux/blkzoned.h +++ b/include/uapi/linux/blkzoned.h @@ -120,9 +120,11 @@ struct blk_zone_report { }; /** - * struct blk_zone_range - BLKRESETZONE ioctl request - * @sector: starting sector of the first zone to issue reset write pointer - * @nr_sectors: Total number of sectors of 1 or more zones to reset + * struct blk_zone_range - BLKRESETZONE/BLKOPENZONE/ + * BLKCLOSEZONE/BLKFINISHZONE ioctl + * requests + * @sector: Starting sector of the first zone to operate on. + * @nr_sectors: Total number of sectors of all zones to operate on. */ struct blk_zone_range { __u64 sector; @@ -139,10 +141,19 @@ struct blk_zone_range { * sector range. The sector range must be zone aligned. * @BLKGETZONESZ: Get the device zone size in number of 512 B sectors. * @BLKGETNRZONES: Get the total number of zones of the device. + * @BLKOPENZONE: Open the zones in the specified sector range. + * The 512 B sector range must be zone aligned. + * @BLKCLOSEZONE: Close the zones in the specified sector range. + * The 512 B sector range must be zone aligned. + * @BLKFINISHZONE: Mark the zones as full in the specified sector range. + * The 512 B sector range must be zone aligned. */ #define BLKREPORTZONE _IOWR(0x12, 130, struct blk_zone_report) #define BLKRESETZONE _IOW(0x12, 131, struct blk_zone_range) #define BLKGETZONESZ _IOR(0x12, 132, __u32) #define BLKGETNRZONES _IOR(0x12, 133, __u32) +#define BLKOPENZONE _IOW(0x12, 134, struct blk_zone_range) +#define BLKCLOSEZONE _IOW(0x12, 135, struct blk_zone_range) +#define BLKFINISHZONE _IOW(0x12, 136, struct blk_zone_range) #endif /* _UAPI_BLKZONED_H */