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GET /api/patches/2228060/?format=api
{ "id": 2228060, "url": "http://patchwork.ozlabs.org/api/patches/2228060/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-ext4/patch/20260424-case-sensitivity-v11-6-de5619beddaf@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": "<20260424-case-sensitivity-v11-6-de5619beddaf@oracle.com>", "list_archive_url": null, "date": "2026-04-25T01:53:08", "name": "[v11,06/15] hfs: Implement fileattr_get for case sensitivity", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "8074446b4f4a470bc60c70bd0615bef356af1ace", "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/20260424-case-sensitivity-v11-6-de5619beddaf@oracle.com/mbox/", "series": [ { "id": 501417, "url": "http://patchwork.ozlabs.org/api/series/501417/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-ext4/list/?series=501417", "date": "2026-04-25T01:53:02", "name": "Exposing case folding behavior", "version": 11, "mbox": "http://patchwork.ozlabs.org/series/501417/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2228060/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2228060/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <SRS0=rY68=CY=vger.kernel.org=linux-ext4+bounces-16088-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=Po14uAd4;\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=1777082018;\n\tbh=+3MOBq8tIY5WA12oHUqvFyZTiNAU0Ok39mLnTTLF1eI=;\n\th=From:Date:Subject:References:In-Reply-To:To:Cc:From;\n\tb=Po14uAd4s/wiiENSvxbh+ps2GZOcn/8LhI0uo4tb1F4Pe3jqlx+2rGjY1hGUSWOmJ\n\t DPnsHHME/4WGwBd2AWpQmGB063a9s25WRVbMLfW+6/XmJRQOGBiSBMUEl1L4lSzV0j\n\t kTHw5XTJYEeqJcundSzxcUDO6euEsfj35Gz/rlRueNylTA36W/XJC6YiU/RgQaty+n\n\t UEzjGbP93WLA6hM3AzX3YUfFqFB2hWEaCYznHp2KnDHX62j1M/sJpydqBOX0sbrc0m\n\t FSgFTthTkId9NpWICQmBNL5QoSGRONAJXoegF8JzRdc2aYNDiue8IKl67PiKXWdfNA\n\t Kouv+YBvFje9g==", "From": "Chuck Lever <cel@kernel.org>", "Date": "Fri, 24 Apr 2026 21:53:08 -0400", "Subject": "[PATCH v11 06/15] hfs: Implement fileattr_get for case sensitivity", "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": "<20260424-case-sensitivity-v11-6-de5619beddaf@oracle.com>", "References": "<20260424-case-sensitivity-v11-0-de5619beddaf@oracle.com>", "In-Reply-To": "<20260424-case-sensitivity-v11-0-de5619beddaf@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>,\n Roland Mainz <roland.mainz@nrubsig.org>", "X-Mailer": "b4 0.16-dev", "X-Developer-Signature": "v=1; a=openpgp-sha256; l=2557;\n i=chuck.lever@oracle.com; h=from:subject:message-id;\n bh=2Xqe+DnVGNfulHUCzpURt2jTiqbh233GQupN+nsg0Mc=;\n b=owEBbQKS/ZANAwAKATNqszNvZn+XAcsmYgBp7B6QMaG3Vj/9N1di+0c7HAL3Lo5gwGKNaaWO+\n rt91mDJ1IqJAjMEAAEKAB0WIQQosuWwEobfJDzyPv4zarMzb2Z/lwUCaewekAAKCRAzarMzb2Z/\n l9dBEAC5tzt5UR880pQ3sCv1p0X3cyCLrZZ2G/QXN02XqQKpa93iydTN/5iY8vQ9apd8r6rm+mg\n D08EAC9Kbbvo5Ma6t90VVZVrl+oBwdHieHQ85zvzTOzxyILwi7RJuAbaQxrcUYoIRZ20jBznin0\n fSTd6M60x84fBQSFqRl9mgPcSaWAkQZDI+u59MvgO2x0Hk1hqDF4OsvOEiIfmBzdcmIlud9+onQ\n +pKfJQJ5QG6vVY4Zg+xi55R6enUwejsgok7WFDGebeq8hvuiaXiNmWL6eohIeR13AB4pOPCSw2O\n WU08njma4sjoREgYj1pxih5wDf9AxJ8TWsfimlWVi597g2CIzqOUY2gv9ZJRSnflT+8y+hYh0NS\n rjAGKJ1mQlQ48hgi0bHjMi7eNcbFd5oiasHr89sWMpdAXO8m9Bm8PnktWTG90mCD4WovUdnvwS/\n B+WGQO5lufWVI30eEkxvW7TVm/kOeB9LsFEz8XFBQQ1Z2C9rUpizVNv8AzdyT6q/uObpWEar6mJ\n Pw58Fe5T8Xee7hQjMXOZEujz8LkRoF0PSGmBt04YtWHp8TLtegR5+0apPi7/keXaR3VsGN1IpjE\n /FQXKk6yrZCFepDs6sc4ZaUs73iPXtCgtUqIwDoXy8TMFXSZdkiTb0Vk3RTKYXQ9FXVYh/3py3I\n lq7UvruzGb8GVIw==", "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\nReport HFS case sensitivity behavior via the FS_XFLAG_CASEFOLD\nflag. HFS is always case-insensitive (using Mac OS Roman case\nfolding) and always preserves case at rest.\n\nReviewed-by: Viacheslav Dubeyko <slava@dubeyko.com>\nReviewed-by: Roland Mainz <roland.mainz@nrubsig.org>\nSigned-off-by: Chuck Lever <chuck.lever@oracle.com>\n---\n fs/hfs/dir.c | 1 +\n fs/hfs/hfs_fs.h | 2 ++\n fs/hfs/inode.c | 14 ++++++++++++++\n 3 files changed, 17 insertions(+)", "diff": "diff --git a/fs/hfs/dir.c b/fs/hfs/dir.c\nindex f5e7efe924e7..c4c6e1623f55 100644\n--- a/fs/hfs/dir.c\n+++ b/fs/hfs/dir.c\n@@ -328,4 +328,5 @@ const struct inode_operations hfs_dir_inode_operations = {\n \t.rmdir\t\t= hfs_remove,\n \t.rename\t\t= hfs_rename,\n \t.setattr\t= hfs_inode_setattr,\n+\t.fileattr_get\t= hfs_fileattr_get,\n };\ndiff --git a/fs/hfs/hfs_fs.h b/fs/hfs/hfs_fs.h\nindex ac0e83f77a0f..1b23448c9a48 100644\n--- a/fs/hfs/hfs_fs.h\n+++ b/fs/hfs/hfs_fs.h\n@@ -177,6 +177,8 @@ extern int hfs_get_block(struct inode *inode, sector_t block,\n extern const struct address_space_operations hfs_aops;\n extern const struct address_space_operations hfs_btree_aops;\n \n+struct file_kattr;\n+int hfs_fileattr_get(struct dentry *dentry, struct file_kattr *fa);\n int hfs_write_begin(const struct kiocb *iocb, struct address_space *mapping,\n \t\t loff_t pos, unsigned int len, struct folio **foliop,\n \t\t void **fsdata);\ndiff --git a/fs/hfs/inode.c b/fs/hfs/inode.c\nindex 89b33a9d46d5..f41cc261684d 100644\n--- a/fs/hfs/inode.c\n+++ b/fs/hfs/inode.c\n@@ -18,6 +18,7 @@\n #include <linux/uio.h>\n #include <linux/xattr.h>\n #include <linux/blkdev.h>\n+#include <linux/fileattr.h>\n \n #include \"hfs_fs.h\"\n #include \"btree.h\"\n@@ -699,6 +700,18 @@ static int hfs_file_fsync(struct file *filp, loff_t start, loff_t end,\n \treturn ret;\n }\n \n+int hfs_fileattr_get(struct dentry *dentry, struct file_kattr *fa)\n+{\n+\t/*\n+\t * HFS compares filenames using Mac OS Roman case folding, so\n+\t * lookup is always case-insensitive. Names are stored on disk\n+\t * with case intact; CASENONPRESERVING stays clear.\n+\t */\n+\tfa->fsx_xflags |= FS_XFLAG_CASEFOLD;\n+\tfa->flags |= FS_CASEFOLD_FL;\n+\treturn 0;\n+}\n+\n static const struct file_operations hfs_file_operations = {\n \t.llseek\t\t= generic_file_llseek,\n \t.read_iter\t= generic_file_read_iter,\n@@ -715,4 +728,5 @@ static const struct inode_operations hfs_file_inode_operations = {\n \t.lookup\t\t= hfs_file_lookup,\n \t.setattr\t= hfs_inode_setattr,\n \t.listxattr\t= generic_listxattr,\n+\t.fileattr_get\t= hfs_fileattr_get,\n };\n", "prefixes": [ "v11", "06/15" ] }