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charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net Add helpers to calculate alignment, round up and round down for zoned devices. These helpers encapsulates the necessary handling for power_of_2 and non-power_of_2 zone sizes. Optimized calculations are performed for zone sizes that are power_of_2 with log and shifts. btrfs_zoned_is_aligned() is added instead of reusing bdev_zone_aligned() helper is due to some use cases in btrfs where zone alignment is checked before having access to the underlying block device such as in this function: btrfs_load_block_group_zone_info(). Reviewed-by: Luis Chamberlain Signed-off-by: Pankaj Raghav --- fs/btrfs/zoned.h | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/fs/btrfs/zoned.h b/fs/btrfs/zoned.h index 49317524e9a6..b9c435961361 100644 --- a/fs/btrfs/zoned.h +++ b/fs/btrfs/zoned.h @@ -9,6 +9,7 @@ #include "disk-io.h" #include "block-group.h" #include "btrfs_inode.h" +#include "misc.h" /* * Block groups with more than this value (percents) of unusable space will be @@ -34,6 +35,33 @@ struct btrfs_zoned_device_info { u32 sb_zone_location[BTRFS_SUPER_MIRROR_MAX]; }; +static inline bool btrfs_zoned_is_aligned(u64 pos, u64 zone_size) +{ + u64 remainder = 0; + + if (is_power_of_two_u64(zone_size)) + return IS_ALIGNED(pos, zone_size); + + div64_u64_rem(pos, zone_size, &remainder); + return remainder == 0; +} + +static inline u64 btrfs_zoned_roundup(u64 pos, u64 zone_size) +{ + if (is_power_of_two_u64(zone_size)) + return ALIGN(pos, zone_size); + + return roundup(pos, zone_size); +} + +static inline u64 btrfs_zoned_rounddown(u64 pos, u64 zone_size) +{ + if (is_power_of_two_u64(zone_size)) + return round_down(pos, zone_size); + + return rounddown(pos, zone_size); +} + #ifdef CONFIG_BLK_DEV_ZONED int btrfs_get_dev_zone(struct btrfs_device *device, u64 pos, struct blk_zone *zone); -- 2.25.1 _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel 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 0D153C4321E for ; Wed, 27 Apr 2022 16:04:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241710AbiD0QHh (ORCPT ); Wed, 27 Apr 2022 12:07:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49002 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241691AbiD0QG4 (ORCPT ); Wed, 27 Apr 2022 12:06:56 -0400 Received: from mailout2.w1.samsung.com (mailout2.w1.samsung.com [210.118.77.12]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DC4583D1BF4 for ; 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Wed, 27 Apr 2022 16:03:04 +0000 (GMT) From: Pankaj Raghav To: jaegeuk@kernel.org, axboe@kernel.dk, snitzer@kernel.org, hch@lst.de, mcgrof@kernel.org, naohiro.aota@wdc.com, sagi@grimberg.me, damien.lemoal@opensource.wdc.com, dsterba@suse.com, johannes.thumshirn@wdc.com Cc: linux-kernel@vger.kernel.org, linux-btrfs@vger.kernel.org, clm@fb.com, gost.dev@samsung.com, chao@kernel.org, linux-f2fs-devel@lists.sourceforge.net, josef@toxicpanda.com, jonathan.derrick@linux.dev, agk@redhat.com, kbusch@kernel.org, kch@nvidia.com, linux-nvme@lists.infradead.org, dm-devel@redhat.com, bvanassche@acm.org, jiangbo.365@bytedance.com, linux-fsdevel@vger.kernel.org, matias.bjorling@wdc.com, linux-block@vger.kernel.org, Pankaj Raghav Subject: [PATCH 08/16] btrfs: zoned: add generic btrfs helpers for zoned devices Date: Wed, 27 Apr 2022 18:02:47 +0200 Message-Id: <20220427160255.300418-9-p.raghav@samsung.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220427160255.300418-1-p.raghav@samsung.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Brightmail-Tracker: H4sIAAAAAAAAA01Se0xbZRzNd+/t7aWx7K7F8A3Ehep04AZDTfzcpvEx3I37Y4sYNS4qZbtA I3TYgrAxBYSx8dha0DFaqi0vRRgWRiHreDhZgAF2LDxGYWM8Rp3WrO0oOAjIpNwu7r9zft85 v3N+yUfhIiMZQMnkyaxCLk2QkAKipXvp2vZXZbKYHdYyChn7unFUN6EiUYlrCUf9Zy0YKlaV 8tGyZQBH7Y4yHrq+mIWhsctmDP1c14WhWaMWR4WXXQT6N//22ixnGkcr0xGouPMGQLYRLYba x19Ag3dq+GiwYi9qa+8l0NAlHYn0P9r4SJ27gCOr2gZQUU8TD7mrc/jol7+dBLo6HvhGEDM0 vI9ZvXqeZIqyHXxm4HYjwQxZUpgLtXkkU555FmeaqjKYVoMbY1rHMknmdLaDZMwnJnmMs2OE ZM6YagFjNI0QjLqpkXdA9LFg92E2QfYlqwh/PVoQX5Bv4CWZNqSNn2jiZQL7E/nAh4L0y7Cq cZbIBwJKRNcAuNTmwDkyD2CPapXPETeAV+p+IB9ZuusrvZafACzLXcQ48heA+pu2NQtFkXQo zMpbd/vRVgCLGhrWRThtx+F10yjmWSWm34OTE2PAYyDoLVDX9pFnLKR3wqy7TpxL2ww1gw/W d/rQu6B6zivZCHs1nt4+ays3w+zmsvXakK4WwKK+YW/TPbD0j28JDouhvcfE5/BT8KFZj3E4 Hdqsy15zDoAqs5H0hMG1sDO/J3ggTodA46VwTv4mrNQXAE7hC633NnIVfGFxyzmcGwvhqVwR p5ZA89KsNxTCoW903jIMLLbOAzUI1j52jPaxY7T/5xoAXgv82RRlYhyrjJCzqWFKaaIyRR4X duhI4gWw9qf7V3vmLoLv7ffDOgFGgU4AKVziJ5xvjY8RCQ9Ljx5jFUc+U6QksMpOEEgREn/h IVmDVETHSZPZz1k2iVU8esUon4BM7JS48mv01UJFfd9BccVc6zWNZk+Qz0zH7NsLB90nFU/7 jx7f71gEYuVrhegT4jlyy9FnBjLuB0X6js5pot4NiS8djq7fMBBmz/jQyvTz/omtLh+1jIHT +yMr7jiadz5b7zIV3x3ZWvWFurXr/aTaiKkdLvd557YbQ1EvDdtUK8mv6N85FrL1txeXHyhT B7ZTneYPQvMyxu5NH8dmfp28We5y1tLiysDUk5NTt9LzR9NmaqymzL3mmNilgpje6mW/wk2W ksipqJYr6QErzc8bHnbpahKEBkOaLmX61p+NF5NMu0qC8e/8ztErruBN4W99KpFvC5JF6/Mq Yyc0SbuNgic7SiSEMl4aEYorlNL/AHjkNBtCBAAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprHKsWRmVeSWpSXmKPExsVy+t/xe7oWmZlJBleeaFmsP3WM2WL13X42 i2kffjJbnJ56lsliUv8MdovfZ88zW+x9N5vV4sKPRiaLmwd2MlmsXH2UyeLJ+lnMFj0HPrBY /O26BxRrechs8eehocWkQ9cYLZ5encVksfeWtsWlxyvYLS4tcrfYs/cki8XlXXPYLOYve8pu MaHtK7PFjQlPGS0mHt/MavF5aQu7xbrX71ksTtySdpD1uHzF2+PfiTVsHhOb37F7nL+3kcXj 8tlSj02rOtk8FjZMZfbYvKTeY/eCz0weu282sHn0Nr9j89jZep/V4/2+q2wefVtWMXqs33KV xWPC5o2sAUJRejZF+aUlqQoZ+cUltkrRhhZGeoaWFnpGJpZ6hsbmsVZGpkr6djYpqTmZZalF +nYJehndXQtYC7bwV9xq3czawPiKp4uRk0NCwETi2NrFLF2MXBxCAksZJd6dbGWDSEhI3F7Y xAhhC0v8udbFBlH0nFHiyf01QA4HB5uAlkRjJztIXETgCaPE/Z+PwSYxCzSwSNyauIsJpFtY IEBiZUsXK0gDi4CqxJw9ESBhXgEricbn75khFshLzLz0nR2khFPAWmLCJ7ASIaCS7kW3WCHK BSVOznzCAmIzA5U3b53NPIFRYBaS1CwkqQWMTKsYRVJLi3PTc4sN9YoTc4tL89L1kvNzNzEC E8q2Yz8372Cc9+qj3iFGJg7GQ4wSHMxKIrxfdmckCfGmJFZWpRblxxeV5qQWH2I0Bbp6IrOU aHI+MKXllcQbmhmYGpqYWRqYWpoZK4nzehZ0JAoJpCeWpGanphakFsH0MXFwSjUwbXh0sFYx ffez0B6x6u98avHVshcbxYx9PuuKqC2oyAzgu+CwtoUpebr1lrPqWgqLljxszKicc6BGQ13I 6evUJ+ebNSwcVrf4uN4X2H9p0b79p9z1jxvH3u/mepvZFyL1epHRTbW0Za4/4t5/vhSaYfbe Nv/OIaHcQy/5yxZ8X/bHpEG2/YBd47UCT6FTu35+ccguYrMy7AvSi0xYfvGwTtrMxss3rzr+ fb/IzDvo9PeqkBVWQo8tRKNua6l/rP7w3DF31qFTMVd5171Zv+Y374rm8BKVtJ2Xjq9u9Yj8 yrfkL4+Dq8uUw98/2STONzv8qsZ57wfTRxHFkjMF416p3f6VVTG7S19jdfC2JWpySizFGYmG WsxFxYkABPmx3bEDAAA= X-CMS-MailID: 20220427160304eucas1p1a0080df82f76c39882c4298c3c3d99fd X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-RootMTR: 20220427160304eucas1p1a0080df82f76c39882c4298c3c3d99fd X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20220427160304eucas1p1a0080df82f76c39882c4298c3c3d99fd References: <20220427160255.300418-1-p.raghav@samsung.com> Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org Add helpers to calculate alignment, round up and round down for zoned devices. These helpers encapsulates the necessary handling for power_of_2 and non-power_of_2 zone sizes. Optimized calculations are performed for zone sizes that are power_of_2 with log and shifts. btrfs_zoned_is_aligned() is added instead of reusing bdev_zone_aligned() helper is due to some use cases in btrfs where zone alignment is checked before having access to the underlying block device such as in this function: btrfs_load_block_group_zone_info(). Reviewed-by: Luis Chamberlain Signed-off-by: Pankaj Raghav --- fs/btrfs/zoned.h | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/fs/btrfs/zoned.h b/fs/btrfs/zoned.h index 49317524e9a6..b9c435961361 100644 --- a/fs/btrfs/zoned.h +++ b/fs/btrfs/zoned.h @@ -9,6 +9,7 @@ #include "disk-io.h" #include "block-group.h" #include "btrfs_inode.h" +#include "misc.h" /* * Block groups with more than this value (percents) of unusable space will be @@ -34,6 +35,33 @@ struct btrfs_zoned_device_info { u32 sb_zone_location[BTRFS_SUPER_MIRROR_MAX]; }; +static inline bool btrfs_zoned_is_aligned(u64 pos, u64 zone_size) +{ + u64 remainder = 0; + + if (is_power_of_two_u64(zone_size)) + return IS_ALIGNED(pos, zone_size); + + div64_u64_rem(pos, zone_size, &remainder); + return remainder == 0; +} + +static inline u64 btrfs_zoned_roundup(u64 pos, u64 zone_size) +{ + if (is_power_of_two_u64(zone_size)) + return ALIGN(pos, zone_size); + + return roundup(pos, zone_size); +} + +static inline u64 btrfs_zoned_rounddown(u64 pos, u64 zone_size) +{ + if (is_power_of_two_u64(zone_size)) + return round_down(pos, zone_size); + + return rounddown(pos, zone_size); +} + #ifdef CONFIG_BLK_DEV_ZONED int btrfs_get_dev_zone(struct btrfs_device *device, u64 pos, struct blk_zone *zone); -- 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 [170.10.129.124]) (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 EE075C433F5 for ; Fri, 29 Apr 2022 08:23:58 +0000 (UTC) Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-359-KAWdkHmAMD2RhmI3WSq70Q-1; Fri, 29 Apr 2022 04:23:54 -0400 X-MC-Unique: KAWdkHmAMD2RhmI3WSq70Q-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.rdu2.redhat.com [10.11.54.1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 771C880419B; 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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 2.78 on 10.11.54.6 X-Mailman-Approved-At: Fri, 29 Apr 2022 08:23:40 +0000 Subject: [dm-devel] [PATCH 08/16] btrfs: zoned: add generic btrfs helpers for zoned devices 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, Pankaj Raghav , kch@nvidia.com, bvanassche@acm.org, matias.bjorling@wdc.com, gost.dev@samsung.com, chao@kernel.org, linux-kernel@vger.kernel.org, linux-nvme@lists.infradead.org, linux-f2fs-devel@lists.sourceforge.net, linux-block@vger.kernel.org, clm@fb.com, dm-devel@redhat.com, agk@redhat.com, jonathan.derrick@linux.dev, kbusch@kernel.org, linux-fsdevel@vger.kernel.org, josef@toxicpanda.com, linux-btrfs@vger.kernel.org Errors-To: dm-devel-bounces@redhat.com Sender: "dm-devel" X-Scanned-By: MIMEDefang 2.84 on 10.11.54.1 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 Add helpers to calculate alignment, round up and round down for zoned devices. These helpers encapsulates the necessary handling for power_of_2 and non-power_of_2 zone sizes. Optimized calculations are performed for zone sizes that are power_of_2 with log and shifts. btrfs_zoned_is_aligned() is added instead of reusing bdev_zone_aligned() helper is due to some use cases in btrfs where zone alignment is checked before having access to the underlying block device such as in this function: btrfs_load_block_group_zone_info(). Reviewed-by: Luis Chamberlain Signed-off-by: Pankaj Raghav --- fs/btrfs/zoned.h | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/fs/btrfs/zoned.h b/fs/btrfs/zoned.h index 49317524e9a6..b9c435961361 100644 --- a/fs/btrfs/zoned.h +++ b/fs/btrfs/zoned.h @@ -9,6 +9,7 @@ #include "disk-io.h" #include "block-group.h" #include "btrfs_inode.h" +#include "misc.h" /* * Block groups with more than this value (percents) of unusable space will be @@ -34,6 +35,33 @@ struct btrfs_zoned_device_info { u32 sb_zone_location[BTRFS_SUPER_MIRROR_MAX]; }; +static inline bool btrfs_zoned_is_aligned(u64 pos, u64 zone_size) +{ + u64 remainder = 0; + + if (is_power_of_two_u64(zone_size)) + return IS_ALIGNED(pos, zone_size); + + div64_u64_rem(pos, zone_size, &remainder); + return remainder == 0; +} + +static inline u64 btrfs_zoned_roundup(u64 pos, u64 zone_size) +{ + if (is_power_of_two_u64(zone_size)) + return ALIGN(pos, zone_size); + + return roundup(pos, zone_size); +} + +static inline u64 btrfs_zoned_rounddown(u64 pos, u64 zone_size) +{ + if (is_power_of_two_u64(zone_size)) + return round_down(pos, zone_size); + + return rounddown(pos, zone_size); +} + #ifdef CONFIG_BLK_DEV_ZONED int btrfs_get_dev_zone(struct btrfs_device *device, u64 pos, struct blk_zone *zone); -- 2.25.1 -- dm-devel mailing list dm-devel@redhat.com https://listman.redhat.com/mailman/listinfo/dm-devel