{"id":2228061,"url":"http://patchwork.ozlabs.org/api/patches/2228061/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-cifs-client/patch/20260424-case-sensitivity-v11-7-de5619beddaf@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":"<20260424-case-sensitivity-v11-7-de5619beddaf@oracle.com>","list_archive_url":null,"date":"2026-04-25T01:53:09","name":"[v11,07/15] hfsplus: Report case sensitivity in fileattr_get","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"1049f3907b2f63c845c26ed4f0dde87fad4102e2","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/20260424-case-sensitivity-v11-7-de5619beddaf@oracle.com/mbox/","series":[{"id":501416,"url":"http://patchwork.ozlabs.org/api/series/501416/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-cifs-client/list/?series=501416","date":"2026-04-25T01:53:02","name":"Exposing case folding behavior","version":11,"mbox":"http://patchwork.ozlabs.org/series/501416/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2228061/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2228061/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=oFIOSmTU;\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":"<20260424-case-sensitivity-v11-7-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 ,\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 ,\n Roland Mainz ","X-Mailer":"b4 0.16-dev","X-Developer-Signature":"v=1; a=openpgp-sha256; l=1623;\n i=chuck.lever@oracle.com; h=from:subject:message-id;\n bh=GH3KwkswOpLheXLhG9bp+y8vR50klKh2XxRFWosaGQw=;\n b=owEBbQKS/ZANAwAKATNqszNvZn+XAcsmYgBp7B6QNmj81GM08BqfbJycnCt6uIXkx7PkUPmCT\n PsNKSwA0VmJAjMEAAEKAB0WIQQosuWwEobfJDzyPv4zarMzb2Z/lwUCaewekAAKCRAzarMzb2Z/\n l2PBD/wL9qDmPVh0AFBM5UbZyA8/ZailA6PaV0N5R1QyRq5wfKCOp7xkGRD6enKq24kxShCYkpL\n tm1OBWZBPH+lIUiuy+wWPySjdk1BsT0SrppjgXbnVMHzlsTKCPI4daviYHU5EBqEMSPznjqo2pb\n eBB/hFCjyWtk2K6VnDWu/RFxa89dniD1CgkbS4MZh2RgcGkDOBcZ325NEYCE1rg0J3g3vuiQbOF\n Izja/7zVl2L54lEOj/h+BLYPmOXT2T/pIMvcdMNHTcNtEtoMuPfNaOz+Fz01108trrpSH/djHgO\n HrncxA8pcsqiOM4fBOMDrCkPAEjmRQPy7fu2EWu1G/dMXUWYDE7GVJNy8BEAUXZhGDCl9HklwEA\n o+GBAO/7/SKRipZz5PR9oj6uIHQ2ROL23qpKs9jiMqxugb1olcdRth9aEoY7Wyc5fi1Nygj28MF\n 0ILw4CdA/2Qq6jlUyKnv1BbWQpslm3T+u4np9UbPWvahRQTpvGFBqFBjzkyxjNjT8jPjnM+kexc\n mF5b/zImKIi/CitshFezOBSvm+MrrwSyvjeGbkmWIH6xfFXLnR6duJnJp8otkzl/s9UpStUkMa0\n JtnhL3Pk8E2UxPjf+oR0oXrb9xVifqi9sHOCMqHCtWUnbtlNoxZkWdr8tHKpY9X5dX8K0iPNEgu\n 5Cf62172SzTHlFQ==","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 \nReviewed-by: Roland Mainz \nSigned-off-by: Chuck Lever \n---\n fs/hfsplus/inode.c | 12 ++++++++++++\n 1 file changed, 12 insertions(+)","diff":"diff --git a/fs/hfsplus/inode.c b/fs/hfsplus/inode.c\nindex d05891ec492e..38b6eb659a79 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 +752,17 @@ 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+\t\tfa->flags |= FS_CASEFOLD_FL;\n+\t}\n \treturn 0;\n }\n \n","prefixes":["v11","07/15"]}