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GET /api/patches/2227318/?format=api
{ "id": 2227318, "url": "http://patchwork.ozlabs.org/api/patches/2227318/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-ext4/patch/20260423-case-sensitivity-v10-9-c385d674a6cf@oracle.com/", "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": "<20260423-case-sensitivity-v10-9-c385d674a6cf@oracle.com>", "list_archive_url": null, "date": "2026-04-23T13:12:12", "name": "[v10,09/17] xfs: Report case sensitivity in fileattr_get", "commit_ref": null, "pull_url": null, "state": "not-applicable", "archived": false, "hash": "33bce20e8b9debb29db805b4e8c909008a23fc52", "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/20260423-case-sensitivity-v10-9-c385d674a6cf@oracle.com/mbox/", "series": [ { "id": 501194, "url": "http://patchwork.ozlabs.org/api/series/501194/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-ext4/list/?series=501194", "date": "2026-04-23T13:12:04", "name": "Exposing case folding behavior", "version": 10, "mbox": "http://patchwork.ozlabs.org/series/501194/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2227318/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2227318/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <SRS0=QeNH=CW=vger.kernel.org=linux-ext4+bounces-16058-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=b5gScez2;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=ozlabs.org\n (client-ip=2404:9400:2221:ea00::3; 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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=1776949964;\n\tbh=Q/Z3eU7E7G5VuhyXLGLHVQn/X3HZutM3gSylfnZVEPg=;\n\th=From:Date:Subject:References:In-Reply-To:To:Cc:From;\n\tb=b5gScez2YED5kR4UfP7ePXzzEJBb5rUkzl2kaWZ8I3PLFUgBLAbDFoL6fUBrKhQsb\n\t vY7VDji9bHDReQ5D8SfrPb4vl99b0Oo3UsSGYWGGc6n9UsMvzFdSxZSJDss0CoTzxm\n\t oltz16gygeIH57IBkctp753tNu/+G9aCXfA4LYLnB+fzWUhEYju83IJ+sXU8smvzdP\n\t o+gArT4pCLP3Z68PxSt9h0Z8PImmccL9/D2lM0DQUcfIGgWnhyzpGjghvJmtKcZ2CS\n\t 2Li5JyuynrqBOkmQMrKRlm0LlfT8IpYZyQRNIRA2/V8vsfwlaqqrWEO3GQQBydWlvP\n\t pDCsYsSZbsNbw==", "From": "Chuck Lever <cel@kernel.org>", "Date": "Thu, 23 Apr 2026 09:12:12 -0400", "Subject": "[PATCH v10 09/17] xfs: Report case sensitivity in fileattr_get", "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-Type": "text/plain; charset=\"utf-8\"", "Content-Transfer-Encoding": "7bit", "Message-Id": "<20260423-case-sensitivity-v10-9-c385d674a6cf@oracle.com>", "References": "<20260423-case-sensitivity-v10-0-c385d674a6cf@oracle.com>", "In-Reply-To": "<20260423-case-sensitivity-v10-0-c385d674a6cf@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=1165;\n i=chuck.lever@oracle.com; h=from:subject:message-id;\n bh=f8bPTEa6xHOGMJ4BkwBw/MA1JRSPvJxuTKAc3AxqaEI=;\n b=owEBbQKS/ZANAwAKATNqszNvZn+XAcsmYgBp6hq080HBIoQoVwdco58yDR8YVIdkIx/l7nWCL\n p17rvkKMhqJAjMEAAEKAB0WIQQosuWwEobfJDzyPv4zarMzb2Z/lwUCaeoatAAKCRAzarMzb2Z/\n ly/ED/9AmddXjVCN3aojVl3dq7vYD4dHLpYLDtV64JoEYigKfl8rORJ11NTU+gqKE1e24B60uJk\n pdFiokvjs9qrW2JRbQFgIwW6hTV815teXb8jU9fS7kXCDGUBNNqBMi1AURxGS0+cKMvJOsG7wvl\n yputvf+P5kAEyAepPLwNZDeQ3ZsFw0aB/O7Wo43QmTRdbwp5K86ykLPGRxjf5QHuw2z9nn4q9XZ\n EvfnjgtzDe+CRaFbZFrJD1YflFdVfMzmJ8y8OhJ3VPs7+SCXwRGJqQ4t7WOPHwHRUxId1+yvGLf\n jlpNGlpLScKmAZy0wex1OROguQuASjnDTEND3+Rnxm7dmTYA08JqC8C9yRPit0M62pGj9Y9V162\n sSMrVUnmNayFOLfJuFGyYOD1C8vpsqsOVB6H47ikng+DKH85GPzl26ob1o/KebclsssdTPgwdzq\n +yVZixdIvTd7o/xyqgFffTVmBgYCW6aG0Wx7eB5CQMmPAcy+0BrbsuRaTuWhzqAVS8OgqfF7X8N\n ZVh4zYhE3s/YMsVzb78E+fwRyV7Gs+2vW5BtzPVat9FZxYtahS7k+5fIlWewHB0u/Ps+LzSnUJT\n Hch9406DJ+hMcAznh9G3hlsmcRQPA7MlqUf7my4whGQPZvztR/OETamaDE6BzniYdfmQ2AAjG9L\n zRv4taVhhDcNCMQ==", "X-Developer-Key": "i=chuck.lever@oracle.com; a=openpgp;\n fpr=28B2E5B01286DF243CF23EFE336AB3336F667F97", "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\nis case-sensitive. Add FS_XFLAG_CASEFOLD to xfs_ip2xflags()\nwhen the filesystem is formatted with the ASCIICI feature\nflag. This serves both FS_IOC_FSGETXATTR (via xfs_fill_fsxattr() in\nxfs_fileattr_get()) and XFS_IOC_BULKSTAT (which populates bs_xflags\ndirectly from xfs_ip2xflags()), so bulkstat consumers and per-inode\nqueries see a consistent view of the filesystem's case-folding\nbehavior.\n\nXFS always preserves case. XFS is case-sensitive by default, but\nsupports ASCII case-insensitive lookups when formatted with the\nASCIICI feature flag.\n\nSigned-off-by: Chuck Lever <chuck.lever@oracle.com>\n---\n fs/xfs/libxfs/xfs_inode_util.c | 2 ++\n 1 file changed, 2 insertions(+)", "diff": "diff --git a/fs/xfs/libxfs/xfs_inode_util.c b/fs/xfs/libxfs/xfs_inode_util.c\nindex 551fa51befb6..82be54b6f8d3 100644\n--- a/fs/xfs/libxfs/xfs_inode_util.c\n+++ b/fs/xfs/libxfs/xfs_inode_util.c\n@@ -130,6 +130,8 @@ xfs_ip2xflags(\n \n \tif (xfs_inode_has_attr_fork(ip))\n \t\tflags |= FS_XFLAG_HASATTR;\n+\tif (xfs_has_asciici(ip->i_mount))\n+\t\tflags |= FS_XFLAG_CASEFOLD;\n \treturn flags;\n }\n \n", "prefixes": [ "v10", "09/17" ] }