{"id":2226978,"url":"http://patchwork.ozlabs.org/api/patches/2226978/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-cifs-client/patch/20260422-case-sensitivity-v9-7-be023cc070e2@oracle.com/","project":{"id":12,"url":"http://patchwork.ozlabs.org/api/projects/12/?format=json","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-v9-7-be023cc070e2@oracle.com>","list_archive_url":null,"date":"2026-04-22T23:30:01","name":"[v9,07/17] hfsplus: Report case sensitivity in fileattr_get","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"aaf51163307f35f630f6ac9f002cb7b455efe301","submitter":{"id":86689,"url":"http://patchwork.ozlabs.org/api/people/86689/?format=json","name":"Chuck Lever","email":"cel@kernel.org"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linux-cifs-client/patch/20260422-case-sensitivity-v9-7-be023cc070e2@oracle.com/mbox/","series":[{"id":501130,"url":"http://patchwork.ozlabs.org/api/series/501130/?format=json","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/2226978/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2226978/checks/","tags":{},"related":[],"headers":{"Return-Path":"\n ","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=a3XdQt3G;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=104.64.211.4; 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charset=\"utf-8\"","Content-Transfer-Encoding":"7bit","Message-Id":"<20260422-case-sensitivity-v9-7-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 ,\n Christian Brauner , Jan Kara ","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 ","X-Mailer":"b4 0.16-dev","X-Developer-Signature":"v=1; a=openpgp-sha256; l=1527;\n i=chuck.lever@oracle.com; h=from:subject:message-id;\n bh=DsH9Ul/eRW+1BLm1emwHx7xWw9r+GnxZnlKzlLXX6Ts=;\n b=owEBbQKS/ZANAwAKATNqszNvZn+XAcsmYgBp6VoF9zDZc9sCCBTCQGhgFXZOUxhLZqkiabRzh\n m2Dce5ZLVCJAjMEAAEKAB0WIQQosuWwEobfJDzyPv4zarMzb2Z/lwUCaelaBQAKCRAzarMzb2Z/\n l7QQD/9NPdB+1IIja3d/pborFSqA2NE3c/tzM3HQaZsVQelKHPaLICOeBWaW4M1L7qVwHb+pR9C\n lDudkaTgbZ8PTRzTtCB47xQwT4WoeuaVyoHy3aAYytqPo2JYe/8ZkMib9uMNg8brK6L8qCZRlUt\n X6zWuNycOEJAkfNGyHRn0frVkzsKT5TY+rqxRP1vvLljxGysVsi7GN9wAXDYFtiE7rSH0imu+VU\n qG+9YSAwe9yiomEAoRcHwXfn3sYARNaKqVbWyNqbjyUVoICozcOvAzrYCbOc3posJTLN/JilYH+\n wWC6aLVqG9y5gMTYD4DqVhxiq/VaIUyGjMnFp8cWPd7MR+zx8YnVEXgqLkgBHTgbzOOvo8FrFHm\n Xn1vI8PQNHBT0MOTh0Xw40YO1cUG4Q3Qllu0Neo/mB6Wdaf52/z2AdCQiUsrIFVz91oTx0XLtql\n D3PYQJDJRrwNTWo7pRgxEMhVCDakfO59yt5aXSjdHPOiqW32a420yu6PRZKRkdi6s7LjaJguA/G\n YWxS8wZwyZcycHO/nagVb27/jJxJmueeeQicDaA2ynQfyh2WzcRpW5XDMbBUQU6B4QoxmJwAqIc\n Guqq0pW88+GuBS8FhBNXtr6tDk0xeIVb0qOafK6JQ2sJIlQkz/YVXo5FYrL2lAF8Zxt3aaY29bb\n BPOiedPDny3snbA==","X-Developer-Key":"i=chuck.lever@oracle.com; a=openpgp;\n fpr=28B2E5B01286DF243CF23EFE336AB3336F667F97"},"content":"From: Chuck Lever \n\nAdd case sensitivity reporting to the existing hfsplus_fileattr_get()\nfunction via the FS_XFLAG_CASEFOLD flag. HFS+ always preserves case\nat rest.\n\nCase sensitivity depends on how the volume was formatted: HFSX\nvolumes may be either case-sensitive or case-insensitive, indicated\nby the HFSPLUS_SB_CASEFOLD superblock flag.\n\nReviewed-by: Viacheslav Dubeyko \nSigned-off-by: Chuck Lever \n---\n fs/hfsplus/inode.c | 10 ++++++++++\n 1 file changed, 10 insertions(+)","diff":"diff --git a/fs/hfsplus/inode.c b/fs/hfsplus/inode.c\nindex d05891ec492e..ffbb57493d7b 100644\n--- a/fs/hfsplus/inode.c\n+++ b/fs/hfsplus/inode.c\n@@ -740,6 +740,7 @@ int hfsplus_fileattr_get(struct dentry *dentry, struct file_kattr *fa)\n {\n \tstruct inode *inode = d_inode(dentry);\n \tstruct hfsplus_inode_info *hip = HFSPLUS_I(inode);\n+\tstruct hfsplus_sb_info *sbi = HFSPLUS_SB(inode->i_sb);\n \tunsigned int flags = 0;\n \n \tif (inode->i_flags & S_IMMUTABLE)\n@@ -751,6 +752,15 @@ int hfsplus_fileattr_get(struct dentry *dentry, struct file_kattr *fa)\n \n \tfileattr_fill_flags(fa, flags);\n \n+\t/*\n+\t * HFS+ always preserves case at rest. Standard HFS+ volumes\n+\t * are case-insensitive; HFSX volumes may be either\n+\t * case-sensitive or case-insensitive depending on how they\n+\t * were formatted. HFSPLUS_SB_CASEFOLD is set in both\n+\t * case-insensitive variants.\n+\t */\n+\tif (test_bit(HFSPLUS_SB_CASEFOLD, &sbi->flags))\n+\t\tfa->fsx_xflags |= FS_XFLAG_CASEFOLD;\n \treturn 0;\n }\n \n","prefixes":["v9","07/17"]}