From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pl1-f169.google.com (mail-pl1-f169.google.com [209.85.214.169]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6FC5223BCF5; Tue, 24 Jun 2025 02:23:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.169 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750731792; cv=none; b=Pv00wV8WG4l5Hp8FodAdXBEn1L61zvqZgBCVMSy9IH33hVhwBVRg+j9hjMjq5eQtQ/lV+cSNmcdJRIjrKpEW1svnK9ImvJhV97j5EkCaRdWSE6OwgD+wDB6MHKC7zqQUayOYVc1FDR8UWWDN187IE8wfxxna2r5tPEFxgdfW2CU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750731792; c=relaxed/simple; bh=1omTk1Ch+v0J61SN5PsUTdcgoiWHtCmb4QEydnVokh0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=j4HFwFl0EJHU6z3Pk8wo+1TVn3Lpm1TQx64sY4t2xwDFhZ738ixco6EPxfJWnEO0tFJRMDntVg6wh5CKo3qtgC8jGpBPTjnYTowrcxRUyEE1WN0TlDwZ4zL+8LevJNvE7RRsH2kazNDa3QPh1r8KWogdrPRTKQ9V9QCEl2t9aMY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=XuygD1wt; arc=none smtp.client-ip=209.85.214.169 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="XuygD1wt" Received: by mail-pl1-f169.google.com with SMTP id d9443c01a7336-235f9e87f78so51442955ad.2; Mon, 23 Jun 2025 19:23:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1750731790; x=1751336590; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=tox0Qswx9v0l5ZOogOjVwIDqVz0HHeeI62d4g2LDVOc=; b=XuygD1wtfEn5OHmrc4evdP1f5LmhVx5TIE7zAuWUsfl1lmJs0wanAGUKRwFwDnyzGd GPc/yL2a0E33fqCmFVWA3Bz02cLWElW/fkglNmcb+8GOQKCx1Gd0BNopq9/8+guXm4MG 9WPH39nL35ag9/SXvmHHozNELPJc05NRsNz70hnGkuZ2rnwNJaN5n5MFsa6UnTH4QhRR SvG22+yMMyUVAK2IUOHDImfmFOVNOa24d4UVsmVcXShUyR1LTwCqLey3qxg29SK6TSMa MIt4ZMnsoJ/1IGpXcgfMVx816ZpsP1yMF6q46hpj/YZgRydmjsX5gJStWvvjkCp78IjK jzAQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1750731790; x=1751336590; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=tox0Qswx9v0l5ZOogOjVwIDqVz0HHeeI62d4g2LDVOc=; b=mmLRC97Zh2b6RzK2AaAv8a1SLTnSfujAC4i+X6InKpVKo1tTULe3p57pGSG5+Q81rj LBSGRcactJ4yQ0UPNRUs9wpr88ZRmx5q9GYXeJ8vyQ09i1Bazw7SLkMGETI92EEEok5a RYUslhSO116+NsjSJcSEQhA2aRbonX6a+X9nAaIvC2YjCB+p2TFlpAaz/e/43qNelGmR 4QweMGAlOm8aM6STZGAN8m7YQUMdBJ5f3lVmaK+9l3FHmFjyHQO3TQr2AT0w+6y0TYRd 31rpTVHQ9J3ubARyOD5gZFt9b5MjDsOdMl565cr64Yw2wxlzwtlqtR96wsBYIQRSXimn 9GTg== X-Forwarded-Encrypted: i=1; AJvYcCVMIey6tVRT8OO4L7HOjGfX8a1Zm6MjVoNQ5nVspiIMR/bgAGg2aeZRv+ngNraO6KaA/WpSxVJvARbU@vger.kernel.org, AJvYcCVVu2g41NWhUNT6CC+3VQ3cTqPTXA83vhxf8Daf9Gi001ma9oYsrUIkt8xuyCh9GuffkY2Kq85sUL+v@vger.kernel.org, AJvYcCXZ2Mb3DWo473jW0T8PT/36fnRwKrVVicc/wrs2Ep/bhhi8VQz5bbQWmLTuGQH1aIumwhVvMeUGIcyD7Q==@vger.kernel.org X-Gm-Message-State: AOJu0Yz1aNNByuQRw3Js8jzZnCdG51GB7G80VXX6IFUOgtEGcAWITYYF BkRLA16oOwFqbsKoVH2WY9rPgZvilNZWw/Rg0OXgHbZTYIY+gGhp33rwseRZHw== X-Gm-Gg: ASbGnctRIYZubJO0lMd/MSbYwvOsAG+Df/0DkUOEYjClbEfmePKj6B9TeECtrwyxSEc F1bMtuQRqfj7eQyxaLTR/M3ABjDfIneribvYPKBy8/0n5k9WvUTjwqQonVQC28uDgyZPqrKgAJz HkEVgmjfQBrvZqMB3yC19c0g0UmLkBCapoLs3vgwlqyp1MPAxWY1PthnUFpLommPXXY1Di/I/BJ osK43uLzdW1MCI3tLXYieYbuOSyE9u8HPrydiaYmAJ/IuAvkZc7gIPSELkm59hH4jJy5/jXgSW3 82jGF5F+xsaZ9yeF/VoSChCneq1wdf67oMjit9WC1F7akwigDOvEWZx1 X-Google-Smtp-Source: AGHT+IH5CRqWFclGp4+pjO3Krc9w8Dlmdz6YsBo5B17VXk21dqxgX65WgOovZM324PVjmcp/pfeQBw== X-Received: by 2002:a17:902:d543:b0:234:a139:120b with SMTP id d9443c01a7336-237d980d666mr220447735ad.11.1750731790587; Mon, 23 Jun 2025 19:23:10 -0700 (PDT) Received: from localhost ([2a03:2880:ff:a::]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-b31f11a20c8sm9120603a12.27.2025.06.23.19.23.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 23 Jun 2025 19:23:10 -0700 (PDT) From: Joanne Koong To: linux-fsdevel@vger.kernel.org Cc: hch@lst.de, miklos@szeredi.hu, brauner@kernel.org, djwong@kernel.org, anuj20.g@samsung.com, linux-xfs@vger.kernel.org, linux-doc@vger.kernel.org, linux-block@vger.kernel.org, gfs2@lists.linux.dev, kernel-team@meta.com Subject: [PATCH v3 09/16] iomap: export iomap_writeback_folio Date: Mon, 23 Jun 2025 19:21:28 -0700 Message-ID: <20250624022135.832899-10-joannelkoong@gmail.com> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20250624022135.832899-1-joannelkoong@gmail.com> References: <20250624022135.832899-1-joannelkoong@gmail.com> Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Christoph Hellwig Allow fuse to use iomap_writeback_folio for folio laundering. Note that the caller needs to manually submit the pending writeback context. Signed-off-by: Christoph Hellwig Reviewed-by: Joanne Koong --- fs/iomap/buffered-io.c | 4 ++-- include/linux/iomap.h | 1 + 2 files changed, 3 insertions(+), 2 deletions(-) diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c index 2973fced2a52..d7fa885b1a0c 100644 --- a/fs/iomap/buffered-io.c +++ b/fs/iomap/buffered-io.c @@ -1638,8 +1638,7 @@ static bool iomap_writeback_handle_eof(struct folio *folio, struct inode *inode, return true; } -static int iomap_writeback_folio(struct iomap_writepage_ctx *wpc, - struct folio *folio) +int iomap_writeback_folio(struct iomap_writepage_ctx *wpc, struct folio *folio) { struct iomap_folio_state *ifs = folio->private; struct inode *inode = wpc->inode; @@ -1721,6 +1720,7 @@ static int iomap_writeback_folio(struct iomap_writepage_ctx *wpc, mapping_set_error(inode->i_mapping, error); return error; } +EXPORT_SYMBOL_GPL(iomap_writeback_folio); int iomap_writepages(struct iomap_writepage_ctx *wpc) diff --git a/include/linux/iomap.h b/include/linux/iomap.h index bfd178fb7cfc..7e06b3a392f8 100644 --- a/include/linux/iomap.h +++ b/include/linux/iomap.h @@ -465,6 +465,7 @@ void iomap_start_folio_write(struct inode *inode, struct folio *folio, size_t len); void iomap_finish_folio_write(struct inode *inode, struct folio *folio, size_t len); +int iomap_writeback_folio(struct iomap_writepage_ctx *wpc, struct folio *folio); int iomap_writepages(struct iomap_writepage_ctx *wpc); /* -- 2.47.1