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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 57DABC5AD49 for ; Thu, 29 May 2025 11:33:43 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 8421E6B009A; Thu, 29 May 2025 07:33:41 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 7F37F6B00AF; Thu, 29 May 2025 07:33:41 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 708E26B00B5; Thu, 29 May 2025 07:33:41 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0017.hostedemail.com [216.40.44.17]) by kanga.kvack.org (Postfix) with ESMTP id 5293E6B009A for ; Thu, 29 May 2025 07:33:41 -0400 (EDT) Received: from smtpin25.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay02.hostedemail.com (Postfix) with ESMTP id EE93112014B for ; Thu, 29 May 2025 11:33:40 +0000 (UTC) X-FDA: 83495735400.25.19F9CF3 Received: from mailout2.samsung.com (mailout2.samsung.com [203.254.224.25]) by imf11.hostedemail.com (Postfix) with ESMTP id D04A240010 for ; Thu, 29 May 2025 11:33:37 +0000 (UTC) Authentication-Results: imf11.hostedemail.com; dkim=pass header.d=samsung.com header.s=mail20170921 header.b=M0Dd8EwA; spf=pass (imf11.hostedemail.com: domain of kundan.kumar@samsung.com designates 203.254.224.25 as permitted sender) smtp.mailfrom=kundan.kumar@samsung.com; dmarc=pass (policy=none) header.from=samsung.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1748518418; h=from:from: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:dkim-signature; bh=C+GkTvY8D+25yzgyaUuIRcKdgNOM65N4VuaT+9A3U20=; b=4YceZe6vQSwYSkOKca+QGsB1Ozjkly7pXavKKtCT30wzaEbotQVLvrLJNLmNIAx2KVr6c0 ppFkC5Zd+0td+twPahILWN9bu8sFwHuraXF/Dkqy8IuvwWKbiFyjub0NF8xI3Wyx0X4tYW Q70BGP1VXhn2D/sautvo6duRSDXeRTQ= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1748518418; a=rsa-sha256; cv=none; b=iKAS2QNnsshuYS06N8nxAfPMoYcnSEgAeWUcaxjith2SnxLOzOWecsAjR7zG0o4uY2jGNR UukssBE2yQQvZX1txc82ts/rooQ0Y0shGxeG1Ey3vWjoTNzHPOWUwV36upS9kiX/yzKLR2 oH/D1dkUTH7N1wET3VE14wApPJmkZJs= ARC-Authentication-Results: i=1; imf11.hostedemail.com; dkim=pass header.d=samsung.com header.s=mail20170921 header.b=M0Dd8EwA; spf=pass (imf11.hostedemail.com: domain of kundan.kumar@samsung.com designates 203.254.224.25 as permitted sender) smtp.mailfrom=kundan.kumar@samsung.com; dmarc=pass (policy=none) header.from=samsung.com Received: from epcas5p4.samsung.com (unknown [182.195.41.42]) by mailout2.samsung.com (KnoxPortal) with ESMTP id 20250529113334epoutp02c109ae6fa66765338ca8de39ebf44b61~D-DvkCOzk2219922199epoutp024 for ; Thu, 29 May 2025 11:33:34 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 mailout2.samsung.com 20250529113334epoutp02c109ae6fa66765338ca8de39ebf44b61~D-DvkCOzk2219922199epoutp024 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=samsung.com; s=mail20170921; t=1748518414; bh=C+GkTvY8D+25yzgyaUuIRcKdgNOM65N4VuaT+9A3U20=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=M0Dd8EwAQCPVy6eDoA4GBnmyRNl3UzEn0tKLYWgdBq/xpXX68gwjrxvB/EjRHqiUi GDD1ITPIzQ3IJSbQivWQXzvMbbT3iLF5JUIJ9xUSR0uZgxLmfj1pAiWDg5TlJE78y6 2YT2jn40umUcI2PnySYqvInYEYiJcH1j+dNk7/hs= Received: from epsnrtp04.localdomain (unknown [182.195.42.156]) by epcas5p2.samsung.com (KnoxPortal) with ESMTPS id 20250529113333epcas5p25fabe3ac0cd0719ee03e87bb5e07bf7a~D-DvEukTO0067100671epcas5p23; Thu, 29 May 2025 11:33:33 +0000 (GMT) Received: from epcas5p4.samsung.com (unknown [182.195.38.183]) by epsnrtp04.localdomain (Postfix) with ESMTP id 4b7PQ44jtzz6B9mB; Thu, 29 May 2025 11:33:32 +0000 (GMT) Received: from epsmtrp2.samsung.com (unknown [182.195.40.14]) by epcas5p1.samsung.com (KnoxPortal) with ESMTPA id 20250529113228epcas5p1db88ab42c2dac0698d715e38bd5e0896~D-Cx47Ddm1656216562epcas5p14; Thu, 29 May 2025 11:32:28 +0000 (GMT) Received: from epsmgms1p1new.samsung.com (unknown [182.195.42.41]) by epsmtrp2.samsung.com (KnoxPortal) with ESMTP id 20250529113228epsmtrp2808b8d9371493c789a9bbd52ec76c111~D-Cx3omtG3187631876epsmtrp2K; Thu, 29 May 2025 11:32:28 +0000 (GMT) X-AuditID: b6c32a29-55afd7000000223e-21-683845cc5b4a Received: from epsmtip2.samsung.com ( [182.195.34.31]) by epsmgms1p1new.samsung.com (Symantec Messaging Gateway) with SMTP id 5B.D0.08766.CC548386; Thu, 29 May 2025 20:32:28 +0900 (KST) Received: from localhost.localdomain (unknown [107.99.41.245]) by epsmtip2.samsung.com (KnoxPortal) with ESMTPA id 20250529113224epsmtip2211a0716625a96f0108b68b63ae02743~D-CuAx6332456924569epsmtip2I; Thu, 29 May 2025 11:32:23 +0000 (GMT) From: Kundan Kumar To: jaegeuk@kernel.org, chao@kernel.org, viro@zeniv.linux.org.uk, brauner@kernel.org, jack@suse.cz, miklos@szeredi.hu, agruenba@redhat.com, trondmy@kernel.org, anna@kernel.org, akpm@linux-foundation.org, willy@infradead.org, mcgrof@kernel.org, clm@meta.com, david@fromorbit.com, amir73il@gmail.com, axboe@kernel.dk, hch@lst.de, ritesh.list@gmail.com, djwong@kernel.org, dave@stgolabs.net, p.raghav@samsung.com, da.gomez@samsung.com Cc: linux-f2fs-devel@lists.sourceforge.net, linux-fsdevel@vger.kernel.org, gfs2@lists.linux.dev, linux-nfs@vger.kernel.org, linux-mm@kvack.org, gost.dev@samsung.com, Kundan Kumar , Anuj Gupta Subject: [PATCH 03/13] writeback: link bdi_writeback to its corresponding bdi_writeback_ctx Date: Thu, 29 May 2025 16:44:54 +0530 Message-Id: <20250529111504.89912-4-kundan.kumar@samsung.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20250529111504.89912-1-kundan.kumar@samsung.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrOIsWRmVeSWpSXmKPExsWy7bCSvO4ZV4sMg+09XBbb1u1mt5izfg2b xYV1qxktWnf+Z7FomvCX2WL13X42i9eHPzFanJ56lsliyyV7i/eXtzFZrL65htFiy7F7jBaX n/BZ7J7+j9Xi5oGdTBYrVx9lspg9vZnJ4sn6WcwWW798ZbW4tMjdYs/ekywW99b8Z7W4cOA0 q8WNCU8ZLZ7t3shs8XlpC7vFwVMd7Baf5gINOf/3OKvF7x9z2BzkPE4tkvDYOesuu8fmFVoe l8+Wemxa1cnmsenTJHaPEzN+s3i82DyT0WP3gs9MHrtvNrB5nLtY4fF+31U2j74tqxg9ps6u 9ziz4Ai7x4ppF5kChKK4bFJSczLLUov07RK4MrZtNyu4xF9xYotVA+NTni5GTg4JAROJKU9n sHUxcnEICexmlFhydzILREJGYvfdnawQtrDEyn/P2SGKPjJKbJvYApTg4GAT0JX40RQKEhcR uMksce7sGbAGZoF/jBK7X+mA1AgLREvs2FkDEmYRUJXY3HGPEcTmFbCV+La5nx1ivrzEzEvf wWxOATuJRUu+gtUIAdUsvbmWBaJeUOLkzCcsEOPlJZq3zmaewCgwC0lqFpLUAkamVYySqQXF uem5xYYFhnmp5XrFibnFpXnpesn5uZsYwWlBS3MH4/ZVH/QOMTJxMB5ilOBgVhLhbbI3yxDi TUmsrEotyo8vKs1JLT7EKM3BoiTOK/6iN0VIID2xJDU7NbUgtQgmy8TBKdXAxDF/zyENzwxX U1nz9ifb/Y/80FU4U7SrJ6x9+YcHbv/rnVtmfVBbWCF08HNluNwLrnWy3bcvZPOfcuTN6grl WeP4trE+LuFHya/tvW+9bPLX5S825D0gaDRT1/1BbRyDZk7V9hnWclaZWbw8B94mif5If1lR 9fTQOebk3I/WhZ3tCb/2SnQfT0hg3xV3+FjN1rZvXQcbH92Skd84T36n8Z18f2bdK39dVinF 82mnlWrrbNfZ+fOc+cR5B/vWVUfcv9KktYDrv8SH/YZX4lYU+N81ypi37OmToJXxSnt+JspP OKUnrNtUw/Y2aoqG+8UHqn6bldfOT52Won7O3Thn+7fOVa8fFb6P33B2cdYzJZbijERDLeai 4kQAd51hDnoDAAA= X-CMS-MailID: 20250529113228epcas5p1db88ab42c2dac0698d715e38bd5e0896 X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-Sendblock-Type: REQ_APPROVE CMS-TYPE: 105P cpgsPolicy: CPGSC10-542,Y X-CFilter-Loop: Reflected X-CMS-RootMailID: 20250529113228epcas5p1db88ab42c2dac0698d715e38bd5e0896 References: <20250529111504.89912-1-kundan.kumar@samsung.com> X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: D04A240010 X-Stat-Signature: d16qm5cmbbowhuzs3nzc7d1xogndmdmq X-Rspam-User: X-HE-Tag: 1748518417-112925 X-HE-Meta: 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 RA4G8WPt 9+PllAgzz1LvvTmk+wAGtDjUt3AB/PPVckAFJbQQBmFgnz7wj8jPr6TgBeRcCWVz2uZPfKK4+VNdPk8p7epkHRcsICAmro/NpY7SdN1gG2hqr1T04Zi2fINu6F3V7FK5H0toO6g1O1K3AyqYygmWCu55G0S1cKiX5Sp/zse+ZRAHcPe/O1AkceDrAlBWdWelLEkPqD9KW14yUDEYI0xlsLDW8+g== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Introduce a bdi_writeback_ctx field in bdi_writeback. This helps in fetching the writeback context from the bdi_writeback. Signed-off-by: Kundan Kumar Signed-off-by: Anuj Gupta --- mm/backing-dev.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/mm/backing-dev.c b/mm/backing-dev.c index adf87b036827..5479e2d34160 100644 --- a/mm/backing-dev.c +++ b/mm/backing-dev.c @@ -513,15 +513,16 @@ static void wb_update_bandwidth_workfn(struct work_struct *work) */ #define INIT_BW (100 << (20 - PAGE_SHIFT)) -static int wb_init(struct bdi_writeback *wb, struct backing_dev_info *bdi, - gfp_t gfp) +static int wb_init(struct bdi_writeback *wb, + struct bdi_writeback_ctx *bdi_wb_ctx, + struct backing_dev_info *bdi, gfp_t gfp) { int err; memset(wb, 0, sizeof(*wb)); wb->bdi = bdi; - wb->bdi_wb_ctx = bdi->wb_ctx_arr[0]; + wb->bdi_wb_ctx = bdi_wb_ctx; wb->last_old_flush = jiffies; INIT_LIST_HEAD(&wb->b_dirty); INIT_LIST_HEAD(&wb->b_io); @@ -698,7 +699,7 @@ static int cgwb_create(struct backing_dev_info *bdi, goto out_put; } - ret = wb_init(wb, bdi, gfp); + ret = wb_init(wb, bdi_wb_ctx, bdi, gfp); if (ret) goto err_free; @@ -843,7 +844,7 @@ static int cgwb_bdi_init(struct backing_dev_info *bdi) mutex_init(&bdi->cgwb_release_mutex); init_rwsem(&bdi_wb_ctx->wb_switch_rwsem); - ret = wb_init(&bdi_wb_ctx->wb, bdi, GFP_KERNEL); + ret = wb_init(&bdi_wb_ctx->wb, bdi_wb_ctx, bdi, GFP_KERNEL); if (!ret) { bdi_wb_ctx->wb.memcg_css = &root_mem_cgroup->css; bdi_wb_ctx->wb.blkcg_css = blkcg_root_css; @@ -1000,7 +1001,7 @@ static int cgwb_bdi_init(struct backing_dev_info *bdi) for_each_bdi_wb_ctx(bdi, bdi_wb_ctx) { int ret; - ret = wb_init(&bdi_wb_ctx->wb, bdi, GFP_KERNEL); + ret = wb_init(&bdi_wb_ctx->wb, bdi_wb_ctx, bdi, GFP_KERNEL); if (ret) return ret; } -- 2.25.1