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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 70C55C5479D for ; Fri, 6 Jan 2023 08:34:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232243AbjAFIdh (ORCPT ); Fri, 6 Jan 2023 03:33:37 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48984 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232390AbjAFId0 (ORCPT ); Fri, 6 Jan 2023 03:33:26 -0500 Received: from mailout2.w1.samsung.com (mailout2.w1.samsung.com [210.118.77.12]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 505CB67BDB for ; Fri, 6 Jan 2023 00:33:23 -0800 (PST) Received: from eucas1p1.samsung.com (unknown [182.198.249.206]) by mailout2.w1.samsung.com (KnoxPortal) with ESMTP id 20230106083321euoutp02cccd26fb849233f7769bf0f4f3d8a49b~3qy5BThM92166021660euoutp02d for ; 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Fri, 6 Jan 2023 08:33:20 +0000 (GMT) Received: from eusmgms1.samsung.com (unknown [182.198.249.179]) by eusmtrp1.samsung.com (KnoxPortal) with ESMTP id 20230106083320eusmtrp1ca7857a1c230a82c8c50a2ca90d049a8~3qy3kPC_x2166121661eusmtrp1h; Fri, 6 Jan 2023 08:33:20 +0000 (GMT) X-AuditID: cbfec7f5-271ff7000000ab6c-44-63b7dcd0381b Received: from eusmtip2.samsung.com ( [203.254.199.222]) by eusmgms1.samsung.com (EUCPMTA) with SMTP id E7.C6.23420.0DCD7B36; Fri, 6 Jan 2023 08:33:20 +0000 (GMT) Received: from localhost (unknown [106.210.248.66]) by eusmtip2.samsung.com (KnoxPortal) with ESMTPA id 20230106083319eusmtip2fc156a9b99243a61ab87bd75fb6194fb~3qy3WgiZY2797827978eusmtip2g; Fri, 6 Jan 2023 08:33:19 +0000 (GMT) From: Pankaj Raghav To: axboe@kernel.dk Cc: kernel@pankajraghav.com, linux-kernel@vger.kernel.org, hare@suse.de, bvanassche@acm.org, snitzer@kernel.org, dm-devel@redhat.com, damien.lemoal@opensource.wdc.com, linux-nvme@lists.infradead.org, hch@lst.de, linux-block@vger.kernel.org, gost.dev@samsung.com, Pankaj Raghav Subject: [PATCH 2/7] block: add a new helper bdev_{is_zone_start, offset_from_zone_start} Date: Fri, 6 Jan 2023 09:33:12 +0100 Message-Id: <20230106083317.93938-3-p.raghav@samsung.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230106083317.93938-1-p.raghav@samsung.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrKKsWRmVeSWpSXmKPExsWy7djP87oX7mxPNti9T8li9d1+NotpH34y W/w+e57ZYu+72awWNw/sZLLYs2gSk8XK1UeZLM68/MxisfeWtsXlXXPYLOYve8pu8XlpC7vF iVvSDrwel694e1w+W+qxaVUnm8fmJfUeu282sHnsbL3P6nF2paPH+31X2Tz6tqxi9Nh8utrj 8ya5AO4oLpuU1JzMstQifbsErowPy7cxF8wXqVhxdjNTA+NlgS5GTg4JAROJ3xP62LoYuTiE BFYwStx/9IIRwvnCKPHozCdmCOczo8TerQeZYFounF0PVbWcUWLD5ulQ/S8YJd7v/QPUwsHB JqAl0djJDtIgIiAssb+jlQWkhllgM5PE7d9rGUESwgLREqdm72AFsVkEVCX+9xwAs3kFLCXW fp3PCLFNXmLmpe9ggzgFrCSeT1/DBFEjKHFy5hMWEJsZqKZ562xmiPpuTolVZ5QhbBeJ09d3 QM0Rlnh1fAs7hC0jcXpyDwuEXS3x9MZvsDclBFoYJfp3rmcDeUBCwFqi70wOiMksoCmxfpc+ RLmjxLo955ggKvgkbrwVhLiAT2LStunMEGFeiY42IYhqJYmdP59ALZWQuNw0B2qph8SDydvZ JjAqzkLyyywkv8xC2LuAkXkVo3hqaXFuemqxcV5quV5xYm5xaV66XnJ+7iZGYEo7/e/41x2M K1591DvEyMTBeIhRgoNZSYS3rH9bshBvSmJlVWpRfnxRaU5q8SFGaQ4WJXHeGVvnJwsJpCeW pGanphakFsFkmTg4pRqYpt9otLnWcNB4Q42cgHL/z0DhszXPereFZGS4MbVfvCgtskSf8eK8 4EqLyFcsAj+zAwsXnFKZZ5GUy71X6k3BgbB1v3K4mcP3sTgfn7di8s7ZUbkREidmWrrVfCj4 o39li0eBwZQDnisUks+9/pXdYL7+waOGvJXH3sxyP7jhscUiodD0nroULveZhZk/mudHx85U UvbONP8/a9USxoqvD66/bGEpNdZs1gubfK21r+vSi3ll650ubbW6zlvcMb9jf1lt1u61Tza2 3Zn4Z27jnZoJla73ZnO0FmdMSLnEejGRq213y+eQpX6bvU/uOf238pWCycv38//2L7k861zS gdonxmeONTw8xTul859yghJLcUaioRZzUXEiAFtCPzPYAwAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrKIsWRmVeSWpSXmKPExsVy+t/xe7oX7mxPNjjUz2qx+m4/m8W0Dz+Z LX6fPc9ssffdbFaLmwd2MlnsWTSJyWLl6qNMFmdefmax2HtL2+LyrjlsFvOXPWW3+Ly0hd3i xC1pB16Py1e8PS6fLfXYtKqTzWPzknqP3Tcb2Dx2tt5n9Ti70tHj/b6rbB59W1Yxemw+Xe3x eZNcAHeUnk1RfmlJqkJGfnGJrVK0oYWRnqGlhZ6RiaWeobF5rJWRqZK+nU1Kak5mWWqRvl2C XsaH5duYC+aLVKw4u5mpgfGyQBcjJ4eEgInEhbPrGbsYuTiEBJYySjTeecwGkZCQuL2wiRHC Fpb4c62LDaLoGaPEt43fWLsYOTjYBLQkGjvZQWpEgGr2d7SygNQwCxxkkng25TszSEJYIFLi zKkDYDaLgKrE/54DrCA2r4ClxNqv86EWyEvMvPQdbBCngJXE8+lrmEBsIaCajo+9bBD1ghIn Zz5hAbGZgeqbt85mnsAoMAtJahaS1AJGplWMIqmlxbnpucWGesWJucWleel6yfm5mxiB8bft 2M/NOxjnvfqod4iRiYPxEKMEB7OSCG9Z/7ZkId6UxMqq1KL8+KLSnNTiQ4ymQHdPZJYSTc4H JoC8knhDMwNTQxMzSwNTSzNjJXFez4KORCGB9MSS1OzU1ILUIpg+Jg5OqQamI6lXqrWu+PBt NXv77vPNgrDOTcvVy6QP/nTfJaI450CtzxZrrRXfk7bKSlQJrX/39Nn3bVKbbgmbTDxXY6t6 d99e4xxhH+t/hmmx/h8ffDI8edp76SJ7q+6SWQKJZ3bMWTuL585LBvdXLU6x86+1rWb4Uv3t QtzX5ddu8Dsmvbk/w6j5xsQvcWlOrPy3z2Se1t3+WYerV31d8OLUbo+8W2cFf00Ne364Y+/V T84Gu+SXhDCGxIXGP3v4ifPpnfc3mI1nS6l3n08JWnDiZAnjnnaTRuuQnsnppyoj/1hp1/R+ XZDhPHWJUI53EHv3/8ytDw4/imFUFN0/22JZ/IJXm3V+SvUcerqhYY3jpJ1fUpVYijMSDbWY i4oTASPl4khIAwAA X-CMS-MailID: 20230106083320eucas1p1f8de0c6ecf351738e8f0ee5f3390d94f X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-RootMTR: 20230106083320eucas1p1f8de0c6ecf351738e8f0ee5f3390d94f X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20230106083320eucas1p1f8de0c6ecf351738e8f0ee5f3390d94f References: <20230106083317.93938-1-p.raghav@samsung.com> Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org Instead of open coding to check for zone start, add a helper to improve readability and store the logic in one place. bdev_offset_from_zone_start() will be used later in the series. Signed-off-by: Pankaj Raghav --- block/blk-core.c | 2 +- block/blk-zoned.c | 4 ++-- include/linux/blkdev.h | 18 ++++++++++++++++++ 3 files changed, 21 insertions(+), 3 deletions(-) diff --git a/block/blk-core.c b/block/blk-core.c index 9321767470dc..0405b3144e7a 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -573,7 +573,7 @@ static inline blk_status_t blk_check_zone_append(struct request_queue *q, return BLK_STS_NOTSUPP; /* The bio sector must point to the start of a sequential zone */ - if (bio->bi_iter.bi_sector & (bdev_zone_sectors(bio->bi_bdev) - 1) || + if (!bdev_is_zone_start(bio->bi_bdev, bio->bi_iter.bi_sector) || !bio_zone_is_seq(bio)) return BLK_STS_IOERR; diff --git a/block/blk-zoned.c b/block/blk-zoned.c index db829401d8d0..614b575be899 100644 --- a/block/blk-zoned.c +++ b/block/blk-zoned.c @@ -277,10 +277,10 @@ int blkdev_zone_mgmt(struct block_device *bdev, enum req_op op, return -EINVAL; /* Check alignment (handle eventual smaller last zone) */ - if (sector & (zone_sectors - 1)) + if (!bdev_is_zone_start(bdev, sector)) return -EINVAL; - if ((nr_sectors & (zone_sectors - 1)) && end_sector != capacity) + if (!bdev_is_zone_start(bdev, nr_sectors) && end_sector != capacity) return -EINVAL; /* diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 0e40b014c40b..04b7cbfd7a2a 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -715,6 +715,7 @@ static inline unsigned int disk_zone_no(struct gendisk *disk, sector_t sector) { return 0; } + static inline unsigned int bdev_max_open_zones(struct block_device *bdev) { return 0; @@ -1304,6 +1305,23 @@ static inline sector_t bdev_zone_sectors(struct block_device *bdev) return q->limits.chunk_sectors; } +static inline sector_t bdev_offset_from_zone_start(struct block_device *bdev, + sector_t sec) +{ + if (!bdev_is_zoned(bdev)) + return 0; + + return sec & (bdev_zone_sectors(bdev) - 1); +} + +static inline bool bdev_is_zone_start(struct block_device *bdev, sector_t sec) +{ + if (!bdev_is_zoned(bdev)) + return false; + + return bdev_offset_from_zone_start(bdev, sec) == 0; +} + static inline int queue_dma_alignment(const struct request_queue *q) { return q ? q->limits.dma_alignment : 511; -- 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-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (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 307D5C5479D for ; Fri, 6 Jan 2023 08:42:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1672994558; h=from:from:sender:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:list-id:list-help: list-unsubscribe:list-subscribe:list-post; 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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 3.1 on 10.11.54.1 Subject: [dm-devel] [PATCH 2/7] block: add a new helper bdev_{is_zone_start, offset_from_zone_start} 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: Pankaj Raghav , bvanassche@acm.org, gost.dev@samsung.com, damien.lemoal@opensource.wdc.com, snitzer@kernel.org, linux-kernel@vger.kernel.org, linux-nvme@lists.infradead.org, linux-block@vger.kernel.org, kernel@pankajraghav.com, dm-devel@redhat.com, hch@lst.de Errors-To: dm-devel-bounces@redhat.com Sender: "dm-devel" X-Scanned-By: MIMEDefang 3.1 on 10.11.54.7 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Instead of open coding to check for zone start, add a helper to improve readability and store the logic in one place. bdev_offset_from_zone_start() will be used later in the series. Signed-off-by: Pankaj Raghav --- block/blk-core.c | 2 +- block/blk-zoned.c | 4 ++-- include/linux/blkdev.h | 18 ++++++++++++++++++ 3 files changed, 21 insertions(+), 3 deletions(-) diff --git a/block/blk-core.c b/block/blk-core.c index 9321767470dc..0405b3144e7a 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -573,7 +573,7 @@ static inline blk_status_t blk_check_zone_append(struct request_queue *q, return BLK_STS_NOTSUPP; /* The bio sector must point to the start of a sequential zone */ - if (bio->bi_iter.bi_sector & (bdev_zone_sectors(bio->bi_bdev) - 1) || + if (!bdev_is_zone_start(bio->bi_bdev, bio->bi_iter.bi_sector) || !bio_zone_is_seq(bio)) return BLK_STS_IOERR; diff --git a/block/blk-zoned.c b/block/blk-zoned.c index db829401d8d0..614b575be899 100644 --- a/block/blk-zoned.c +++ b/block/blk-zoned.c @@ -277,10 +277,10 @@ int blkdev_zone_mgmt(struct block_device *bdev, enum req_op op, return -EINVAL; /* Check alignment (handle eventual smaller last zone) */ - if (sector & (zone_sectors - 1)) + if (!bdev_is_zone_start(bdev, sector)) return -EINVAL; - if ((nr_sectors & (zone_sectors - 1)) && end_sector != capacity) + if (!bdev_is_zone_start(bdev, nr_sectors) && end_sector != capacity) return -EINVAL; /* diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 0e40b014c40b..04b7cbfd7a2a 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -715,6 +715,7 @@ static inline unsigned int disk_zone_no(struct gendisk *disk, sector_t sector) { return 0; } + static inline unsigned int bdev_max_open_zones(struct block_device *bdev) { return 0; @@ -1304,6 +1305,23 @@ static inline sector_t bdev_zone_sectors(struct block_device *bdev) return q->limits.chunk_sectors; } +static inline sector_t bdev_offset_from_zone_start(struct block_device *bdev, + sector_t sec) +{ + if (!bdev_is_zoned(bdev)) + return 0; + + return sec & (bdev_zone_sectors(bdev) - 1); +} + +static inline bool bdev_is_zone_start(struct block_device *bdev, sector_t sec) +{ + if (!bdev_is_zoned(bdev)) + return false; + + return bdev_offset_from_zone_start(bdev, sec) == 0; +} + static inline int queue_dma_alignment(const struct request_queue *q) { return q ? q->limits.dma_alignment : 511; -- 2.25.1 -- dm-devel mailing list dm-devel@redhat.com https://listman.redhat.com/mailman/listinfo/dm-devel