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GET /api/patches/2226995/?format=api
{ "id": 2226995, "url": "http://patchwork.ozlabs.org/api/patches/2226995/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-cifs-client/patch/20260422-case-sensitivity-v9-8-be023cc070e2@oracle.com/", "project": { "id": 12, "url": "http://patchwork.ozlabs.org/api/projects/12/?format=api", "name": "Linux CIFS Client", "link_name": "linux-cifs-client", "list_id": "linux-cifs.vger.kernel.org", "list_email": "linux-cifs@vger.kernel.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260422-case-sensitivity-v9-8-be023cc070e2@oracle.com>", "list_archive_url": null, "date": "2026-04-22T23:30:02", "name": "[v9,08/17] ext4: Report case sensitivity in fileattr_get", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "e034fdb7686fe449b4ddec76918d44c1b3d251df", "submitter": { "id": 86689, "url": "http://patchwork.ozlabs.org/api/people/86689/?format=api", "name": "Chuck Lever", "email": "cel@kernel.org" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-cifs-client/patch/20260422-case-sensitivity-v9-8-be023cc070e2@oracle.com/mbox/", "series": [ { "id": 501130, "url": "http://patchwork.ozlabs.org/api/series/501130/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-cifs-client/list/?series=501130", "date": "2026-04-22T23:29:54", "name": "Exposing case folding behavior", "version": 9, "mbox": "http://patchwork.ozlabs.org/series/501130/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2226995/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2226995/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <linux-cifs+bounces-11021-incoming=patchwork.ozlabs.org@vger.kernel.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "linux-cifs@vger.kernel.org" ], "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256\n header.s=k20201202 header.b=usCmrLv+;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c0a:e001:db::12fc:5321; helo=sea.lore.kernel.org;\n envelope-from=linux-cifs+bounces-11021-incoming=patchwork.ozlabs.org@vger.kernel.org;\n receiver=patchwork.ozlabs.org)", "smtp.subspace.kernel.org;\n\tdkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org\n header.b=\"usCmrLv+\"", "smtp.subspace.kernel.org;\n arc=none smtp.client-ip=10.30.226.201" ], "Received": [ "from sea.lore.kernel.org (sea.lore.kernel.org\n [IPv6:2600:3c0a:e001:db::12fc:5321])\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 4g1Fsr2hXfz1yGs\n\tfor <incoming@patchwork.ozlabs.org>; Thu, 23 Apr 2026 09:33:52 +1000 (AEST)", "from smtp.subspace.kernel.org (conduit.subspace.kernel.org\n [100.90.174.1])\n\tby sea.lore.kernel.org (Postfix) with ESMTP id 7F6F23110F5E\n\tfor <incoming@patchwork.ozlabs.org>; Wed, 22 Apr 2026 23:30:37 +0000 (UTC)", "from localhost.localdomain (localhost.localdomain [127.0.0.1])\n\tby smtp.subspace.kernel.org (Postfix) with ESMTP id C96D3394496;\n\tWed, 22 Apr 2026 23:30:36 +0000 (UTC)", "from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org\n [10.30.226.201])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby smtp.subspace.kernel.org (Postfix) with ESMTPS id A361C346AE3;\n\tWed, 22 Apr 2026 23:30:36 +0000 (UTC)", "by smtp.kernel.org (Postfix) with ESMTPSA id 1CA2DC2BCAF;\n\tWed, 22 Apr 2026 23:30:34 +0000 (UTC)" ], "ARC-Seal": "i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116;\n\tt=1776900636; cv=none;\n b=uc1QXqXP+wUQ4kZ5wDH0dxpYxZFjKkSNNwXCCra0sqEpkOIIJ2tBbpXY7Ueu2EJeeIFzv0efH7oOR9pc7DOYB9IuLSlxeVpO/0yekCylrEpnEY5e+U0yVNCKxRXTohFczeTI+i0XjKqq9PJU2lMb4DdDKWfbxpgO+9PzjUhzFHA=", "ARC-Message-Signature": "i=1; a=rsa-sha256; d=subspace.kernel.org;\n\ts=arc-20240116; t=1776900636; c=relaxed/simple;\n\tbh=jXYqYekRjpF07wlPDKgx2XWDNqQtTHKbLiod79qFffg=;\n\th=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References:\n\t In-Reply-To:To:Cc;\n b=i/Y1Ke2j78QI0TpcwGN0IMPOzqMyoih7FBLJVGfmPvH0iIlawr/AJgVhltmfwIJWrbubfiDW+8C+NUFNz3mRYjhkiG3kn09El14f2WhYFL4CiGH5k1mg83u49ej6KIp9otq8e7im6PokvgxU+/GJgh0UF80dpR72BcykivS0pwA=", "ARC-Authentication-Results": "i=1; smtp.subspace.kernel.org;\n dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org\n header.b=usCmrLv+; arc=none smtp.client-ip=10.30.226.201", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org;\n\ts=k20201202; t=1776900636;\n\tbh=jXYqYekRjpF07wlPDKgx2XWDNqQtTHKbLiod79qFffg=;\n\th=From:Date:Subject:References:In-Reply-To:To:Cc:From;\n\tb=usCmrLv+N705MyXz9QrB8eUi0cUHCIrvFrfNer91Gkil+ZqSe+Uv+mIqL5GktgtFe\n\t TjOetSwCQZv+swwRMS72YUTtt9dUGzzlgHD1ppcULa0xQs4RMgPyaJbjvzBZYhSnYq\n\t /wFPNefAUCoXjT2xQu7sMk8H5p6E0tyMmqLovYSHiVmrqxVxT9yZGftM7cBHo4NinI\n\t /nylz9us8rVzQ2+5u+EJ3ki6J7om5kmWngFJlndHlTasQhfiy2xaZ4ppFhoxGbQKG9\n\t AnANcz94N16eJCPW5f579E20MrlPSYW5hGmP3x2x8SrTK8kBfipy9A6ZLdvD9+Cq6D\n\t xtdDBTMwMl5Ng==", "From": "Chuck Lever <cel@kernel.org>", "Date": "Wed, 22 Apr 2026 19:30:02 -0400", "Subject": "[PATCH v9 08/17] ext4: Report case sensitivity in fileattr_get", "Precedence": "bulk", "X-Mailing-List": "linux-cifs@vger.kernel.org", "List-Id": "<linux-cifs.vger.kernel.org>", "List-Subscribe": "<mailto:linux-cifs+subscribe@vger.kernel.org>", "List-Unsubscribe": "<mailto:linux-cifs+unsubscribe@vger.kernel.org>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=\"utf-8\"", "Content-Transfer-Encoding": "7bit", "Message-Id": "<20260422-case-sensitivity-v9-8-be023cc070e2@oracle.com>", "References": "<20260422-case-sensitivity-v9-0-be023cc070e2@oracle.com>", "In-Reply-To": "<20260422-case-sensitivity-v9-0-be023cc070e2@oracle.com>", "To": "Al Viro <viro@zeniv.linux.org.uk>,\n Christian Brauner <brauner@kernel.org>, Jan Kara <jack@suse.cz>", "Cc": "linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org,\n linux-xfs@vger.kernel.org, linux-cifs@vger.kernel.org,\n linux-nfs@vger.kernel.org, linux-api@vger.kernel.org,\n linux-f2fs-devel@lists.sourceforge.net, hirofumi@mail.parknet.co.jp,\n linkinjeon@kernel.org, sj1557.seo@samsung.com, yuezhang.mo@sony.com,\n almaz.alexandrovich@paragon-software.com, slava@dubeyko.com,\n glaubitz@physik.fu-berlin.de, frank.li@vivo.com, tytso@mit.edu,\n adilger.kernel@dilger.ca, cem@kernel.org, sfrench@samba.org,\n pc@manguebit.org, ronniesahlberg@gmail.com, sprasad@microsoft.com,\n trondmy@kernel.org, anna@kernel.org, jaegeuk@kernel.org, chao@kernel.org,\n hansg@kernel.org, senozhatsky@chromium.org,\n Chuck Lever <chuck.lever@oracle.com>", "X-Mailer": "b4 0.16-dev", "X-Developer-Signature": "v=1; a=openpgp-sha256; l=1149;\n i=chuck.lever@oracle.com; h=from:subject:message-id;\n bh=TxMd9+19zfe1kcd7z7IWDwky99GfiXSk/tT0Rl2ZM5c=;\n b=owEBbQKS/ZANAwAKATNqszNvZn+XAcsmYgBp6VoFTp3fLxE8PITfxUL7bNrVobvHogZfU1OlZ\n pifqDEyrSWJAjMEAAEKAB0WIQQosuWwEobfJDzyPv4zarMzb2Z/lwUCaelaBQAKCRAzarMzb2Z/\n l5T9D/96IYMw2tXU48HaQ7/wBu/lmh6O/uthEswp4B3E8zUUOZxJEKKCesvcbZ/FPTIZrz6UIC7\n SFZNP4CtwF7mTNW0vhhKzFeM0BNnWfqxfW6TMHfeH2Qsx8RpFIupMQTFy+3vhwe7C8DtI4fdBQt\n KuYkZ8lkPr0G553naFj2d1hTsPGUmsJw5oZLcOcO578GvDJGDbuKZszGbjbOtsrI4Pp0nAdAzaN\n aJhTDHyvFq34U1NEJErK/floRT9eHqpvvjCO2lYLSmvH2Vu/B2C97+sm7As7hNg1piuL/Y3Looh\n N9J1JXeihuV4fSKG0jhE1apayyNxr5UYwqMvpBmP2psp44JYk0Ghf+72TLltpgiMXJu43PUqNs1\n 0Sx46M+sQlhOQY9PJD7VM7cwFLTL1ClWHCmeRUeiA1BAocO1DKDqISuSJRwJbNd/bFbKFK4jaWs\n DDV4ki4Urn91xwjvCDNV6cp6h3btk9OSgzm1ZMtvNIQuDunB3G9KH3Kggi2/Nc3jdvjbIOgFOPA\n VvNZxBTTcP05GaxBa2Ux0CyTCpxRtJdgcrwxDLwl44HaCsMSHJ+YVL+/d3q3pk/fkEGDVGZ79rY\n H5465ibEnCmyFesdM/qK7r057UwKAfoqbRP9cDAYiYLgajXD2D+bJatDIgwaX3+ZENYSHC0cMmz\n jRnC0nP6nYek2bg==", "X-Developer-Key": "i=chuck.lever@oracle.com; a=openpgp;\n fpr=28B2E5B01286DF243CF23EFE336AB3336F667F97" }, "content": "From: Chuck Lever <chuck.lever@oracle.com>\n\nReport ext4's case sensitivity behavior via the FS_XFLAG_CASEFOLD\nflag. ext4 always preserves case at rest.\n\nCase sensitivity is a per-directory setting in ext4. If the queried\ninode is a casefolded directory, report case-insensitive; otherwise\nreport case-sensitive (standard POSIX behavior).\n\nReviewed-by: Jan Kara <jack@suse.cz>\nAcked-by: Theodore Ts'o <tytso@mit.edu>\nSigned-off-by: Chuck Lever <chuck.lever@oracle.com>\n---\n fs/ext4/ioctl.c | 7 +++++++\n 1 file changed, 7 insertions(+)", "diff": "diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c\nindex 1d0c3d4bdf47..d1d597a13eeb 100644\n--- a/fs/ext4/ioctl.c\n+++ b/fs/ext4/ioctl.c\n@@ -999,6 +999,13 @@ int ext4_fileattr_get(struct dentry *dentry, struct file_kattr *fa)\n \tif (ext4_has_feature_project(inode->i_sb))\n \t\tfa->fsx_projid = from_kprojid(&init_user_ns, ei->i_projid);\n \n+\t/*\n+\t * Case folding is a directory attribute in ext4. Set FS_XFLAG_CASEFOLD\n+\t * for directories with the casefold attribute; all other inodes use\n+\t * standard case-sensitive semantics.\n+\t */\n+\tif (IS_CASEFOLDED(inode))\n+\t\tfa->fsx_xflags |= FS_XFLAG_CASEFOLD;\n \treturn 0;\n }\n \n", "prefixes": [ "v9", "08/17" ] }