{"id":2227328,"url":"http://patchwork.ozlabs.org/api/patches/2227328/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-cifs-client/patch/20260423-case-sensitivity-v10-7-c385d674a6cf@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":"<20260423-case-sensitivity-v10-7-c385d674a6cf@oracle.com>","list_archive_url":null,"date":"2026-04-23T13:12:10","name":"[v10,07/17] 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/20260423-case-sensitivity-v10-7-c385d674a6cf@oracle.com/mbox/","series":[{"id":501195,"url":"http://patchwork.ozlabs.org/api/series/501195/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-cifs-client/list/?series=501195","date":"2026-04-23T13:12:06","name":"Exposing case folding behavior","version":10,"mbox":"http://patchwork.ozlabs.org/series/501195/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2227328/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2227328/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=U+BrX7Kp;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c04:e001:36c::12fc:5321; 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charset=\"utf-8\"","Content-Transfer-Encoding":"7bit","Message-Id":"<20260423-case-sensitivity-v10-7-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 ,\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+XAcsmYgBp6hqzledoq5XU2wz0+X3f+duTtSNUJibxmcFar\n OSNbaZOMQOJAjMEAAEKAB0WIQQosuWwEobfJDzyPv4zarMzb2Z/lwUCaeoaswAKCRAzarMzb2Z/\n l/7uEACLjPNxrxqT92fHYGwoeDC62hHSmHNtL5PA/eDaGqYBX+8ikTmCRtH1IHbD8Y2GQcvRMkj\n 6scugmG/j9aoOyA92lSo5qApBHdsdLthvIroO2meGzBVl5Q7EpCUsumNOuePGwvEE5h4WyG/y6s\n BAc+Yc18V3INM+F3mskeafT5/N1CyV058tQ0S1tqO6KYdNz6lPXihvR298D/h3PxduB3XMmYEdC\n nIpYULJxPA/p4fdqcWZ24T/xh4n4zLj63/42dhtMOXLM4MNYz0QjO8WIF1AsZtb8XUzTA6KaAO7\n b+GnKK0UIJCriuO932xLUs0vTJUUgdLpvSG34lfqc+jQitJvPd6HIol+g14JHfYcTBnXB62CIoX\n Mvs7oUSAjbpdbJjaMpMRfU2Shn7Z1iO0eFXR/KXXM9geiRk/vBowbBnbHbL55AkTuIvd/1gVbL3\n ETpkIPi96Vt0STINJKeOLfmqt5yr2nzV4Y3ZEVJylzwIWGplGwWemPUK6Nr/7ZOlYqxDj8kyhSu\n Kbsm95yz+hAxXwAFbdgoXeGnZoZiMHar34U6TieCNDlY7yrpc8Sjlx52904s3afWaDye+m2n+Yj\n HzLRXXhZlRL606EVDdTsw/NwWkxOA99uN2YmLU+mIC29r4Qwv6lO1v8gzqQqPyQf64ksnftrl4y\n WQsqhWziknVseNg==","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":["v10","07/17"]}