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GET /api/patches/2197418/?format=api
{ "id": 2197418, "url": "http://patchwork.ozlabs.org/api/patches/2197418/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-ext4/patch/20260217214741.1928576-10-cel@kernel.org/", "project": { "id": 8, "url": "http://patchwork.ozlabs.org/api/projects/8/?format=api", "name": "Linux ext4 filesystem development", "link_name": "linux-ext4", "list_id": "linux-ext4.vger.kernel.org", "list_email": "linux-ext4@vger.kernel.org", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260217214741.1928576-10-cel@kernel.org>", "list_archive_url": null, "date": "2026-02-17T21:47:33", "name": "[v8,09/17] xfs: Report case sensitivity in fileattr_get", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "476a48ed87cbb53e9dcb58189d793b550a814c89", "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-ext4/patch/20260217214741.1928576-10-cel@kernel.org/mbox/", "series": [ { "id": 492483, "url": "http://patchwork.ozlabs.org/api/series/492483/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-ext4/list/?series=492483", "date": "2026-02-17T21:47:25", "name": "Subject: Exposing case folding behavior", "version": 8, "mbox": "http://patchwork.ozlabs.org/series/492483/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2197418/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2197418/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <SRS0=J1I+=AV=vger.kernel.org=linux-ext4+bounces-13720-patchwork-incoming=ozlabs.org@ozlabs.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "linux-ext4@vger.kernel.org" ], "Delivered-To": [ "patchwork-incoming@legolas.ozlabs.org", "patchwork-incoming@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=S/Ai+S96;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=ozlabs.org\n (client-ip=150.107.74.76; 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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=1771364888;\n\tbh=fYGZPGOvWWHJ29HyCpYpZWY5Spu1N7gwM+/38CEuEEk=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=S/Ai+S96uG/Gfz7HATywK5Hdnt8vlyZtWhDrlsWq4+HHhqloU2FqnQCAUunQ+j2+S\n\t CDkoGtknNKSJ9d7s0NeTIWe1e52obwCxwbH7zpZ+yKOspWldxxhnElIJDNkXxvKWov\n\t XYuXCW1yVlmz2jI2JL0FOF6EYG4ieCR7GpxwWJU+XbE5n6tQvUEibFHmHgxySgNUPT\n\t HkjR5pf3qNY/RNRescro07eKCGuHm2wqmybZ2Mz2dDVIFTfZ4dhIP5PU4aVMzh/+xu\n\t W1azjC78aQfLp7Dp57Alvp0WlZ7Pk5Pp7qQx8VlUKR8uNTgdWVRSVm6CzOjjpYQ+uD\n\t Axwj1rjBey6Aw==", "From": "Chuck Lever <cel@kernel.org>", "To": "Al Viro <viro@zeniv.linux.org.uk>,\n\tChristian Brauner <brauner@kernel.org>,\n\tJan Kara <jack@suse.cz>", "Cc": "linux-fsdevel@vger.kernel.org,\n\tlinux-ext4@vger.kernel.org,\n\tlinux-xfs@vger.kernel.org,\n\tlinux-cifs@vger.kernel.org,\n\tlinux-nfs@vger.kernel.org,\n\tlinux-api@vger.kernel.org,\n\tlinux-f2fs-devel@lists.sourceforge.net,\n\thirofumi@mail.parknet.co.jp,\n\tlinkinjeon@kernel.org,\n\tsj1557.seo@samsung.com,\n\tyuezhang.mo@sony.com,\n\talmaz.alexandrovich@paragon-software.com,\n\tslava@dubeyko.com,\n\tglaubitz@physik.fu-berlin.de,\n\tfrank.li@vivo.com,\n\ttytso@mit.edu,\n\tadilger.kernel@dilger.ca,\n\tcem@kernel.org,\n\tsfrench@samba.org,\n\tpc@manguebit.org,\n\tronniesahlberg@gmail.com,\n\tsprasad@microsoft.com,\n\ttrondmy@kernel.org,\n\tanna@kernel.org,\n\tjaegeuk@kernel.org,\n\tchao@kernel.org,\n\thansg@kernel.org,\n\tsenozhatsky@chromium.org,\n\tChuck Lever <chuck.lever@oracle.com>,\n\t\"Darrick J. Wong\" <djwong@kernel.org>", "Subject": "[PATCH v8 09/17] xfs: Report case sensitivity in fileattr_get", "Date": "Tue, 17 Feb 2026 16:47:33 -0500", "Message-ID": "<20260217214741.1928576-10-cel@kernel.org>", "X-Mailer": "git-send-email 2.53.0", "In-Reply-To": "<20260217214741.1928576-1-cel@kernel.org>", "References": "<20260217214741.1928576-1-cel@kernel.org>", "Precedence": "bulk", "X-Mailing-List": "linux-ext4@vger.kernel.org", "List-Id": "<linux-ext4.vger.kernel.org>", "List-Subscribe": "<mailto:linux-ext4+subscribe@vger.kernel.org>", "List-Unsubscribe": "<mailto:linux-ext4+unsubscribe@vger.kernel.org>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-Spam-Status": "No, score=-1.2 required=5.0 tests=ARC_SIGNED,ARC_VALID,\n\tDKIMWL_WL_HIGH,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DMARC_PASS,\n\tMAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=disabled\n\tversion=4.0.1", "X-Spam-Checker-Version": "SpamAssassin 4.0.1 (2024-03-25) on gandalf.ozlabs.org" }, "content": "From: Chuck Lever <chuck.lever@oracle.com>\n\nUpper layers such as NFSD need to query whether a filesystem is\ncase-sensitive. Report case sensitivity via the FS_XFLAG_CASEFOLD\nflag in xfs_fileattr_get(). XFS always preserves case. XFS is\ncase-sensitive by default, but supports ASCII case-insensitive\nlookups when formatted with the ASCIICI feature flag.\n\nReviewed-by: \"Darrick J. Wong\" <djwong@kernel.org>\nSigned-off-by: Chuck Lever <chuck.lever@oracle.com>\n---\n fs/xfs/xfs_ioctl.c | 7 +++++++\n 1 file changed, 7 insertions(+)", "diff": "diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c\nindex 369555275140..41c6b4cd8ac2 100644\n--- a/fs/xfs/xfs_ioctl.c\n+++ b/fs/xfs/xfs_ioctl.c\n@@ -518,6 +518,13 @@ xfs_fileattr_get(\n \txfs_fill_fsxattr(ip, XFS_DATA_FORK, fa);\n \txfs_iunlock(ip, XFS_ILOCK_SHARED);\n \n+\t/*\n+\t * FS_XFLAG_CASEFOLD indicates case-insensitive lookups with\n+\t * case preservation. This matches ASCIICI behavior: lookups\n+\t * fold ASCII case while filenames remain stored verbatim.\n+\t */\n+\tif (xfs_has_asciici(ip->i_mount))\n+\t\tfa->fsx_xflags |= FS_XFLAG_CASEFOLD;\n \treturn 0;\n }\n \n", "prefixes": [ "v8", "09/17" ] }