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GET /api/patches/1890368/?format=api
{ "id": 1890368, "url": "http://patchwork.ozlabs.org/api/patches/1890368/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-mtd/patch/20240124175302.1750912-15-willy@infradead.org/", "project": { "id": 3, "url": "http://patchwork.ozlabs.org/api/projects/3/?format=api", "name": "Linux MTD development", "link_name": "linux-mtd", "list_id": "linux-mtd.lists.infradead.org", "list_email": "linux-mtd@lists.infradead.org", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20240124175302.1750912-15-willy@infradead.org>", "list_archive_url": null, "date": "2024-01-24T17:52:57", "name": "[v2,14/15] ubifs: Use a folio in ubifs_do_bulk_read()", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": false, "hash": "b482e40cc6b60f17b4134f4965c8f6d4a7da9144", "submitter": { "id": 70855, "url": "http://patchwork.ozlabs.org/api/people/70855/?format=api", "name": "Matthew Wilcox", "email": "willy@infradead.org" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-mtd/patch/20240124175302.1750912-15-willy@infradead.org/mbox/", "series": [ { "id": 391975, "url": "http://patchwork.ozlabs.org/api/series/391975/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-mtd/list/?series=391975", "date": "2024-01-24T17:52:56", "name": "ubifs folio conversion", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/391975/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/1890368/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/1890368/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n secure) header.d=lists.infradead.org header.i=@lists.infradead.org\n header.a=rsa-sha256 header.s=bombadil.20210309 header.b=JLx/yuXF;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n secure) header.d=infradead.org header.i=@infradead.org header.a=rsa-sha256\n header.s=casper.20170209 header.b=BHhWfbYJ;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=none (no SPF record) smtp.mailfrom=lists.infradead.org\n (client-ip=2607:7c80:54:3::133; helo=bombadil.infradead.org;\n envelope-from=linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org;\n receiver=patchwork.ozlabs.org)" ], "Received": [ "from bombadil.infradead.org (bombadil.infradead.org\n [IPv6:2607:7c80:54:3::133])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange X25519 server-signature ECDSA (secp384r1) server-digest SHA384)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4TKs5T1h7Zz23f0\n\tfor <incoming@patchwork.ozlabs.org>; Thu, 25 Jan 2024 04:53:49 +1100 (AEDT)", "from localhost ([::1] helo=bombadil.infradead.org)\n\tby bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux))\n\tid 1rShR9-004ZuS-1p;\n\tWed, 24 Jan 2024 17:53:19 +0000", "from casper.infradead.org ([2001:8b0:10b:1236::1])\n\tby bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux))\n\tid 1rShR2-004ZpZ-0b\n\tfor linux-mtd@bombadil.infradead.org;\n\tWed, 24 Jan 2024 17:53:12 +0000", "from willy by casper.infradead.org with local (Exim 4.97.1 #2 (Red\n Hat Linux))\n\tid 1rShQv-00000007LVy-421s;\n\tWed, 24 Jan 2024 17:53:06 +0000" ], "DKIM-Signature": [ "v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed;\n\td=lists.infradead.org; s=bombadil.20210309; h=Sender:\n\tContent-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post:\n\tList-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:\n\tMessage-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description:\n\tResent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:\n\tList-Owner; bh=gsEHwls4Vd4RbfLa8Ma3O5VQffR0I/JUCbBSyPujyHw=; b=JLx/yuXF045hsU\n\tLFVluwNSLNk52cqx0rJh90WsLPdB9H1ZHLVF28Kmhpoyo3XKo3bMSuNEj0enPT7PRYsYhOqkPFynN\n\tmz/Ya6tH+8gn+dY/U8AVTn5z5WQRGZ64PduVZJM+7iAa+4/UZa0tgRNY1Jte+wqY6hLihct3rj2nF\n\twq+Bk6c1iieaGbzbO5N/5OgqoHa+h8Ql/eplNg+/SyL1mi7KXeoztPOsiJSKc4ih5Lem463yYTcGF\n\twoxfu5kXuWkQNzKDjPfgXLl9vIG1n7owtIuWtfFGl+n7LvIOh2YQED950x6IxcdATIZvu7N3wIRtk\n\txeHpyRzY38jQpD5pYPKA==;", "v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed;\n\td=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version:\n\tReferences:In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Sender:Reply-To:\n\tContent-Type:Content-ID:Content-Description;\n\tbh=Yfukrl63pDT9YdJAQm/2xR2RtMxsdfpdJRK7RXif2YM=; b=BHhWfbYJQa/ZoaWTiDUTqWxBSy\n\txepEDPd7vPihtc+G3LyGvA+2bewE+noEzBIT7EHQQzi21beBuC4FvkegSRl9T+6dtLY45paSRlS6E\n\tHNqHGZLzFHMeT/EDcoZEHbhw1XB1yXJewVJT+Z9CLZoh5mlSdwuR6iti4TzTdtSaJ71pD2ZOOKYUr\n\tsfwIbXezwuHQhopi3meRpEWDhvU1LnKeckCTzJseFB/b34fnHZ6cU8HxY9EE/nnfztpOjhdYrxy4O\n\tk31SqpgeSMPwdtD4jUbaviIuJlTVFVgaOyWfkl2eMFR711qMuhZieGyESEPiziLJyEVqNs1uluM/i\n\tflf/1Igg==;" ], "From": "\"Matthew Wilcox (Oracle)\" <willy@infradead.org>", "To": "Richard Weinberger <richard@nod.at>", "Cc": "\"Matthew Wilcox (Oracle)\" <willy@infradead.org>,\n\tlinux-mtd@lists.infradead.org,\n\tZhihao Cheng <chengzhihao1@huawei.com>", "Subject": "[PATCH v2 14/15] ubifs: Use a folio in ubifs_do_bulk_read()", "Date": "Wed, 24 Jan 2024 17:52:57 +0000", "Message-ID": "<20240124175302.1750912-15-willy@infradead.org>", "X-Mailer": "git-send-email 2.43.0", "In-Reply-To": "<20240124175302.1750912-1-willy@infradead.org>", "References": "<20240124175302.1750912-1-willy@infradead.org>", "MIME-Version": "1.0", "X-BeenThere": "linux-mtd@lists.infradead.org", "X-Mailman-Version": "2.1.34", "Precedence": "list", "List-Id": "Linux MTD discussion mailing list <linux-mtd.lists.infradead.org>", "List-Unsubscribe": "<http://lists.infradead.org/mailman/options/linux-mtd>,\n <mailto:linux-mtd-request@lists.infradead.org?subject=unsubscribe>", "List-Archive": "<http://lists.infradead.org/pipermail/linux-mtd/>", "List-Post": "<mailto:linux-mtd@lists.infradead.org>", "List-Help": "<mailto:linux-mtd-request@lists.infradead.org?subject=help>", "List-Subscribe": "<http://lists.infradead.org/mailman/listinfo/linux-mtd>,\n <mailto:linux-mtd-request@lists.infradead.org?subject=subscribe>", "Content-Type": "text/plain; charset=\"us-ascii\"", "Content-Transfer-Encoding": "7bit", "Sender": "\"linux-mtd\" <linux-mtd-bounces@lists.infradead.org>", "Errors-To": "linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org" }, "content": "When looking in the page cache, retrieve a folio instead of a page.\nThis would need some work to make it safe for large folios.\n\nSigned-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>\nReviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>\n---\n fs/ubifs/file.c | 14 +++++++-------\n 1 file changed, 7 insertions(+), 7 deletions(-)", "diff": "diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c\nindex f481fca7f53d..11bf9f8cca6c 100644\n--- a/fs/ubifs/file.c\n+++ b/fs/ubifs/file.c\n@@ -775,19 +775,19 @@ static int ubifs_do_bulk_read(struct ubifs_info *c, struct bu_info *bu,\n \n \tfor (page_idx = 1; page_idx < page_cnt; page_idx++) {\n \t\tpgoff_t page_offset = offset + page_idx;\n-\t\tstruct page *page;\n+\t\tstruct folio *folio;\n \n \t\tif (page_offset > end_index)\n \t\t\tbreak;\n-\t\tpage = pagecache_get_page(mapping, page_offset,\n+\t\tfolio = __filemap_get_folio(mapping, page_offset,\n \t\t\t\t FGP_LOCK|FGP_ACCESSED|FGP_CREAT|FGP_NOWAIT,\n \t\t\t\t ra_gfp_mask);\n-\t\tif (!page)\n+\t\tif (IS_ERR(folio))\n \t\t\tbreak;\n-\t\tif (!PageUptodate(page))\n-\t\t\terr = populate_page(c, page, bu, &n);\n-\t\tunlock_page(page);\n-\t\tput_page(page);\n+\t\tif (!folio_test_uptodate(folio))\n+\t\t\terr = populate_page(c, &folio->page, bu, &n);\n+\t\tfolio_unlock(folio);\n+\t\tfolio_put(folio);\n \t\tif (err)\n \t\t\tbreak;\n \t}\n", "prefixes": [ "v2", "14/15" ] }