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Fri, 6 May 2022 08:11:10 +0000 (GMT) Received: from eusmgms1.samsung.com (unknown [182.198.249.179]) by eusmtrp2.samsung.com (KnoxPortal) with ESMTP id 20220506081110eusmtrp222f0eafc663deb2c7f6b2252e5b9e61c~sdck8jKjJ2593625936eusmtrp2X; Fri, 6 May 2022 08:11:10 +0000 (GMT) X-AuditID: cbfec7f4-471ff7000000269f-31-6274d81ece15 Received: from eusmtip1.samsung.com ( [203.254.199.221]) by eusmgms1.samsung.com (EUCPMTA) with SMTP id 82.F2.09522.E18D4726; Fri, 6 May 2022 09:11:10 +0100 (BST) Received: from localhost (unknown [106.210.248.174]) by eusmtip1.samsung.com (KnoxPortal) with ESMTPA id 20220506081110eusmtip15b4e6a476e2eada8a56f7f54296837f1~sdckpd6-70578205782eusmtip1b; Fri, 6 May 2022 08:11:10 +0000 (GMT) From: Pankaj Raghav To: jaegeuk@kernel.org, hare@suse.de, dsterba@suse.com, axboe@kernel.dk, hch@lst.de, damien.lemoal@opensource.wdc.com, snitzer@kernel.org Cc: Chris Mason , Josef Bacik , bvanassche@acm.org, linux-fsdevel@vger.kernel.org, matias.bjorling@wdc.com, Jens Axboe , gost.dev@samsung.com, jonathan.derrick@linux.dev, jiangbo.365@bytedance.com, linux-nvme@lists.infradead.org, dm-devel@redhat.com, Naohiro Aota , linux-kernel@vger.kernel.org, Johannes Thumshirn , Sagi Grimberg , Alasdair Kergon , linux-block@vger.kernel.org, Chaitanya Kulkarni , Keith Busch , linux-btrfs@vger.kernel.org, Pankaj Raghav , Luis Chamberlain Subject: [PATCH v3 04/11] nvmet: Allow ZNS target to support non-power_of_2 zone sizes Date: Fri, 6 May 2022 10:10:58 +0200 Message-Id: <20220506081105.29134-5-p.raghav@samsung.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220506081105.29134-1-p.raghav@samsung.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Brightmail-Tracker: H4sIAAAAAAAAA02SfUxTZxTGee+9vf2IhUsx8I6KbE38A9AqCyHv3MJcYrYbF3XZ5sY+xBW5 KwQorB8ONZlFEAU2Cjj5KCwwMq1QRylldYWiWGOBOQZrh2mZwxFoNqlUhmWTyGSUi5n//d5z nuc950kODxeZyFhejkLNKBWyPAkpIKzOpZ+2bfaoM3fYXCnI9IMTRyt2J4mMv+lIVDe/hKNa XQMXPRoZxVF/oImDxh4WY8g7YMOQva0WQ+3GGxiaMelx9PnAPIHaS6dwtDyVjKaCEwSqddwC yDeux1D/RBJyTV/kInv/MIHcvc0karng46LqskUceap9ANUMWjjowflSLur03yfQ0IR4Vxzt /uV1+vHQJZKuKQlw6dFJM0G7RzR0d0c5SX+tPYfTlm9O0H1eLUl/URIgadupOxz6/pVxkq7q 6QC0qWecoC03j9PVFjPnDdH7gpeymLycI4xye9pHguzRuTGscCW8qNE7CbTAu6EC8HmQSoHX 7ee5IRZRFwH0GndUAMEqBwH0BTtw9vEAwFOuL7lPHP7pWYJtGACsCbasq+4CWD+s41QAHo+k EmFxOTdU30hVAqi7c3rNjVMWDhz79uMQR1Hp8EabA4SYoLbAleILeIiF1Avwz7lJDjstHja6 /lnz8qmd8OTZuySriYTDjTME+2c8LPmuaW0JSLUL4Omys+vm3bB6QIuzHAVnB3vWI2yCK7YW jOXj0Od5tG4uXd3UZiJDCSD1Iqz6MS+EOJUATb3bWfkr8O/Wa4BVhEPPXCS7QjistdbjbFkI z5SJWLUE2pZm1odC6D7ZTLBMw4WuK2Q1eE7/VBj9U2H0/89tBXgHiGE0qnw5o3pewXwqVcny VRqFXHq4IL8brN70zceDwe+BYfYvqQNgPOAAkIdLNgqj9OpMkTBLdvQYoyw4pNTkMSoHEPMI SYzwcE6XTETJZWoml2EKGeWTLsbjx2qxjF3vGqRZ0fHSpA/S2nTl5xaj34zYKmxXfCYVH3UG Ot17mH3Wd7wjEwcv31tIPwBeuy09sbnyKiqb69TVmypTwu7tHPRsoxPNL/fz+xr3120NuxY9 vf/YkYjmQ6NXnTXZ3SXaZyczvGpRqsuYkBvm3lcnDiQdjH3vkp/j35Tx4YZke3hu+eKWhoaY fyeWL3cV/RppDBoc4z+n9jpbsd2jaU65/C1r3ZRZY5jXwczpRdycWMA8RCsHqnSxYqaG3BuH RpLyFUUx/E863TPP1F1veru471aL/fbynq/0fzhsCb/vDbcOtaf7o+J8EeLxwjOvauYWdJI+ X31etLSwIZgqIVTZsuREXKmS/QdttR9ZQgQAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrAKsWRmVeSWpSXmKPExsVy+t/xu7pyN0qSDC4flbRYf+oYs8X/PcfY LFbf7WezmPbhJ7PFpP4Z7Ba/z55nttj7bjarxYUfjUwWNw/sZLLYs2gSk8XK1UeZLJ6sn8Vs 0XPgA4vFypaHzBZ/HhpaPPxyi8Vi0qFrjBZPr85isth7S9vi0uMV7BZ79p5ksbi8aw6bxfxl T9ktJrR9Zba4MeEpo8XE45tZLT4vbWG3WPf6PYvFiVvSDrIel694e/w7sYbNY2LzO3aP8/c2 snhcPlvqsWlVJ5vHwoapzB6bl9R77L7ZwObR2/yOzWNn631Wj/f7rrJ59G1ZxeixfstVFo/N p6s9JmzeyBogFKVnU5RfWpKqkJFfXGKrFG1oYaRnaGmhZ2RiqWdobB5rZWSqpG9nk5Kak1mW WqRvl6CXcf7tBaaC/3wVM2/eY2xgvMnTxcjJISFgIvH68SuWLkYuDiGBpYwSZ+/0skIkJCRu L2xihLCFJf5c62KDKHrOKHF0xWHmLkYODjYBLYnGTnaQuIjAVEaJS+tOgk1iFjjNKrF10wEm kG5hgTCJK28/gE1iEVCV+N+4jBnE5hWwlHjx9h7UNnmJmZe+s4PYnAJWEk2TX7KB2EJANfOX 7GGFqBeUODnzCQuIzQxU37x1NvMERoFZSFKzkKQWMDKtYhRJLS3OTc8tNtQrTswtLs1L10vO z93ECEwq24793LyDcd6rj3qHGJk4GA8xSnAwK4nwCs8qSRLiTUmsrEotyo8vKs1JLT7EaAp0 90RmKdHkfGBayyuJNzQzMDU0MbM0MLU0M1YS5/Us6EgUEkhPLEnNTk0tSC2C6WPi4JRqYDr2 PHHpwSvPW/YWXRGZuOLZruxaqZBKSXGJpry7BRmdi8/2sussnObANj3jmKR27dyYo2FW9nPe Kxg+83my3yj2QBCP6vKKh/cPLL50uD5ApnPz26VMv4IETk7lqhDRuXPzke68vn29jqsDmpyX h81emz/DqGrSjdu5T7rnaPXUmPuGLyjV1A4VPz1N5db6V1LpYV9yHRZWCLOtu17/10nBr97g zLnosx/e+bTL+LsdVXaNt01oaj/Z+D76WL6GhLrhPDf2V4H5jmKV99gNAydtWZhsdnHJoh5h 7dYHL263X50gX3L35OwdMS6Cyfe+rkl3es9nxT01UfnC57jEt9zbeqQicg7bPU+w2b0oSoml OCPRUIu5qDgRABxkWpSzAwAA X-CMS-MailID: 20220506081110eucas1p1b6c624ddca1c41b9838bb5b85f8ca5ff X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-RootMTR: 20220506081110eucas1p1b6c624ddca1c41b9838bb5b85f8ca5ff X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20220506081110eucas1p1b6c624ddca1c41b9838bb5b85f8ca5ff References: <20220506081105.29134-1-p.raghav@samsung.com> Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org A generic bdev_zone_no helper is added to calculate zone number for a given sector in a block device. This helper internally uses blk_queue_zone_no to find the zone number. Use the helper bdev_zone_no() to calculate nr of zones. This let's us make modifications to the math if needed in one place and adds now support for npo2 zone devices. Reviewed by: Adam Manzanares Reviewed-by: Bart Van Assche Reviewed-by: Hannes Reinecke Signed-off-by: Luis Chamberlain Signed-off-by: Pankaj Raghav --- drivers/nvme/target/zns.c | 2 +- include/linux/blkdev.h | 7 +++++++ 2 files changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/nvme/target/zns.c b/drivers/nvme/target/zns.c index 82b61acf7..5516dd6cc 100644 --- a/drivers/nvme/target/zns.c +++ b/drivers/nvme/target/zns.c @@ -242,7 +242,7 @@ static unsigned long nvmet_req_nr_zones_from_slba(struct nvmet_req *req) unsigned int sect = nvmet_lba_to_sect(req->ns, req->cmd->zmr.slba); return blkdev_nr_zones(req->ns->bdev->bd_disk) - - (sect >> ilog2(bdev_zone_sectors(req->ns->bdev))); + bdev_zone_no(req->ns->bdev, sect); } static unsigned long get_nr_zones_from_buf(struct nvmet_req *req, u32 bufsize) diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 32d7bd7b1..967790f51 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -1370,6 +1370,13 @@ static inline sector_t bdev_zone_sectors(struct block_device *bdev) return 0; } +static inline unsigned int bdev_zone_no(struct block_device *bdev, sector_t sec) +{ + struct request_queue *q = bdev_get_queue(bdev); + + return blk_queue_zone_no(q, sec); +} + static inline unsigned int bdev_max_open_zones(struct block_device *bdev) { struct request_queue *q = bdev_get_queue(bdev); -- 2.25.1 From mboxrd@z Thu Jan 1 00:00:00 1970 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 us-smtp-delivery-74.mimecast.com (us-smtp-delivery-74.mimecast.com [170.10.129.74]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 6780BC43219 for ; Fri, 6 May 2022 08:11:21 +0000 (UTC) Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-417-4GCSeZo5ORCiTMbaNIgK-Q-1; 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Similar Internal Domain=false; Similar Monitored External Domain=false; Custom External Domain=false; Mimecast External Domain=false; Newly Observed Domain=false; Internal User Name=false; Custom Display Name List=false; Reply-to Address Mismatch=false; Targeted Threat Dictionary=false; Mimecast Threat Dictionary=false; Custom Threat Dictionary=false X-Scanned-By: MIMEDefang 2.85 on 10.11.54.9 Subject: [dm-devel] [PATCH v3 04/11] nvmet: Allow ZNS target to support non-power_of_2 zone sizes X-BeenThere: dm-devel@redhat.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: device-mapper development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: jiangbo.365@bytedance.com, linux-nvme@lists.infradead.org, Chris Mason , dm-devel@redhat.com, Alasdair Kergon , Naohiro Aota , bvanassche@acm.org, gost.dev@samsung.com, jonathan.derrick@linux.dev, Pankaj Raghav , Chaitanya Kulkarni , Josef Bacik , linux-block@vger.kernel.org, Keith Busch , matias.bjorling@wdc.com, Sagi Grimberg , Jens Axboe , linux-kernel@vger.kernel.org, Luis Chamberlain , linux-fsdevel@vger.kernel.org, Johannes Thumshirn , linux-btrfs@vger.kernel.org Errors-To: dm-devel-bounces@redhat.com Sender: "dm-devel" X-Scanned-By: MIMEDefang 2.84 on 10.11.54.2 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=dm-devel-bounces@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit A generic bdev_zone_no helper is added to calculate zone number for a given sector in a block device. This helper internally uses blk_queue_zone_no to find the zone number. Use the helper bdev_zone_no() to calculate nr of zones. This let's us make modifications to the math if needed in one place and adds now support for npo2 zone devices. Reviewed by: Adam Manzanares Reviewed-by: Bart Van Assche Reviewed-by: Hannes Reinecke Signed-off-by: Luis Chamberlain Signed-off-by: Pankaj Raghav --- drivers/nvme/target/zns.c | 2 +- include/linux/blkdev.h | 7 +++++++ 2 files changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/nvme/target/zns.c b/drivers/nvme/target/zns.c index 82b61acf7..5516dd6cc 100644 --- a/drivers/nvme/target/zns.c +++ b/drivers/nvme/target/zns.c @@ -242,7 +242,7 @@ static unsigned long nvmet_req_nr_zones_from_slba(struct nvmet_req *req) unsigned int sect = nvmet_lba_to_sect(req->ns, req->cmd->zmr.slba); return blkdev_nr_zones(req->ns->bdev->bd_disk) - - (sect >> ilog2(bdev_zone_sectors(req->ns->bdev))); + bdev_zone_no(req->ns->bdev, sect); } static unsigned long get_nr_zones_from_buf(struct nvmet_req *req, u32 bufsize) diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 32d7bd7b1..967790f51 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -1370,6 +1370,13 @@ static inline sector_t bdev_zone_sectors(struct block_device *bdev) return 0; } +static inline unsigned int bdev_zone_no(struct block_device *bdev, sector_t sec) +{ + struct request_queue *q = bdev_get_queue(bdev); + + return blk_queue_zone_no(q, sec); +} + static inline unsigned int bdev_max_open_zones(struct block_device *bdev) { struct request_queue *q = bdev_get_queue(bdev); -- 2.25.1 -- dm-devel mailing list dm-devel@redhat.com https://listman.redhat.com/mailman/listinfo/dm-devel