{"id":2228052,"url":"http://patchwork.ozlabs.org/api/patches/2228052/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-cifs-client/patch/20260424-case-sensitivity-v11-5-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-v11-5-de5619beddaf@oracle.com>","list_archive_url":null,"date":"2026-04-25T01:53:07","name":"[v11,05/15] ntfs3: Implement fileattr_get for case sensitivity","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"8a522262857b22a2eb8e20868ae9175202ac5294","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-v11-5-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/2228052/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2228052/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=UBs5CqZk;\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":"<20260424-case-sensitivity-v11-5-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=3307;\n i=chuck.lever@oracle.com; h=from:subject:message-id;\n bh=the5hfrb+NDfAlxqcoZBavzUZ+JgwGcn+44RCBEP0nA=;\n b=owEBbQKS/ZANAwAKATNqszNvZn+XAcsmYgBp7B6QyVflZ8+aiiVlNbBUCfNUyu6AJiwcinI9A\n Y3kemH1MfeJAjMEAAEKAB0WIQQosuWwEobfJDzyPv4zarMzb2Z/lwUCaewekAAKCRAzarMzb2Z/\n l/DLD/9HvrJZgrlELaA9rMcCLaKNI+B6L6bhlkPmhjbLhUEmS+AQ4OcaPliMGmAB0AOiqZDAYhX\n hp1us4Ye+CBbz/O640iIQoUTlVgWwh4Gc0r2xox7g6OAkZ8Y3KliS+8q3RGDJ8xrMGM5Cth3XYK\n Yc4qRzxPlFlVD835duE0tCqQrccEpPkeTkJLcjixk1oZFYH07yzm3g+hRoS660B7DMjHx8UUGbT\n xfJujr4TKVOC9sIwcdVgHjMkdOL+OIupMCZAAV7YKe1x5QdtJir8BOXDbQV0sOA/nsbmGaRuPri\n UusmK9pPm4fIDh2hLZJVxU5G4gcYZhKq4on8CvuALeuNybu2no0SBiXn6yb1bPaNxjfFOzE+qnc\n cTXb/k5ZZd7In5lJnY3Eqd6gFH1Q7lMwESttYNfFk2zR6Y7IOVrWwdVVY0S8V3GIbkWUyxQVsB5\n v8nO2aFd41BIQKodyOTAy/K1kZgNYcYoh/isImgVihrSSp8bacOILRzIis9lp7sbad3ndgHcf3M\n oCd6Dyfua1voL+lGbdMUF2ojOn+UNiovHxHXWqnA16VappNdb37VlzGyWkWnitjOc3jkdodM7Ki\n Bj7TzOSWvkX3yYrHp3xIcabfI7Q5lra00YwRJs6ajG1YvHvH12viJamZWFlCDN8FTQREsinpNND\n +BFfUs9c7NLNrrA==","X-Developer-Key":"i=chuck.lever@oracle.com; a=openpgp;\n fpr=28B2E5B01286DF243CF23EFE336AB3336F667F97"},"content":"From: Chuck Lever \n\nReport NTFS case sensitivity behavior via the FS_XFLAG_CASEFOLD\nflag. NTFS always preserves case at rest.\n\nReviewed-by: Roland Mainz \nSigned-off-by: Chuck Lever \n---\n fs/ntfs3/file.c | 25 +++++++++++++++++++++++++\n fs/ntfs3/inode.c | 1 +\n fs/ntfs3/namei.c | 2 ++\n fs/ntfs3/ntfs_fs.h | 1 +\n 4 files changed, 29 insertions(+)","diff":"diff --git a/fs/ntfs3/file.c b/fs/ntfs3/file.c\nindex b041639ab406..447ea0f9b9d5 100644\n--- a/fs/ntfs3/file.c\n+++ b/fs/ntfs3/file.c\n@@ -180,6 +180,30 @@ long ntfs_compat_ioctl(struct file *filp, u32 cmd, unsigned long arg)\n }\n #endif\n \n+/*\n+ * ntfs_fileattr_get - inode_operations::fileattr_get\n+ */\n+int ntfs_fileattr_get(struct dentry *dentry, struct file_kattr *fa)\n+{\n+\tstruct inode *inode = d_inode(dentry);\n+\tstruct ntfs_sb_info *sbi = inode->i_sb->s_fs_info;\n+\n+\t/* Avoid any operation if inode is bad. */\n+\tif (unlikely(is_bad_ni(ntfs_i(inode))))\n+\t\treturn -EINVAL;\n+\n+\t/*\n+\t * NTFS preserves case (the default). Case sensitivity depends on\n+\t * mount options: with \"nocase\", NTFS is case-insensitive;\n+\t * otherwise it is case-sensitive.\n+\t */\n+\tif (sbi->options->nocase) {\n+\t\tfa->fsx_xflags |= FS_XFLAG_CASEFOLD;\n+\t\tfa->flags |= FS_CASEFOLD_FL;\n+\t}\n+\treturn 0;\n+}\n+\n /*\n * ntfs_getattr - inode_operations::getattr\n */\n@@ -1547,6 +1571,7 @@ const struct inode_operations ntfs_file_inode_operations = {\n \t.get_acl\t= ntfs_get_acl,\n \t.set_acl\t= ntfs_set_acl,\n \t.fiemap\t\t= ntfs_fiemap,\n+\t.fileattr_get\t= ntfs_fileattr_get,\n };\n \n const struct file_operations ntfs_file_operations = {\ndiff --git a/fs/ntfs3/inode.c b/fs/ntfs3/inode.c\nindex 42af1abe17f8..a5ff04c2efd3 100644\n--- a/fs/ntfs3/inode.c\n+++ b/fs/ntfs3/inode.c\n@@ -2095,6 +2095,7 @@ const struct inode_operations ntfs_link_inode_operations = {\n \t.get_link\t= ntfs_get_link,\n \t.setattr\t= ntfs_setattr,\n \t.listxattr\t= ntfs_listxattr,\n+\t.fileattr_get\t= ntfs_fileattr_get,\n };\n \n const struct address_space_operations ntfs_aops = {\ndiff --git a/fs/ntfs3/namei.c b/fs/ntfs3/namei.c\nindex b2af8f695e60..eb241d7796ba 100644\n--- a/fs/ntfs3/namei.c\n+++ b/fs/ntfs3/namei.c\n@@ -518,6 +518,7 @@ const struct inode_operations ntfs_dir_inode_operations = {\n \t.getattr\t= ntfs_getattr,\n \t.listxattr\t= ntfs_listxattr,\n \t.fiemap\t\t= ntfs_fiemap,\n+\t.fileattr_get\t= ntfs_fileattr_get,\n };\n \n const struct inode_operations ntfs_special_inode_operations = {\n@@ -526,6 +527,7 @@ const struct inode_operations ntfs_special_inode_operations = {\n \t.listxattr\t= ntfs_listxattr,\n \t.get_acl\t= ntfs_get_acl,\n \t.set_acl\t= ntfs_set_acl,\n+\t.fileattr_get\t= ntfs_fileattr_get,\n };\n \n const struct dentry_operations ntfs_dentry_ops = {\ndiff --git a/fs/ntfs3/ntfs_fs.h b/fs/ntfs3/ntfs_fs.h\nindex bbf3b6a1dcbe..41db22d652c4 100644\n--- a/fs/ntfs3/ntfs_fs.h\n+++ b/fs/ntfs3/ntfs_fs.h\n@@ -529,6 +529,7 @@ bool dir_is_empty(struct inode *dir);\n extern const struct file_operations ntfs_dir_operations;\n \n /* Globals from file.c */\n+int ntfs_fileattr_get(struct dentry *dentry, struct file_kattr *fa);\n int ntfs_getattr(struct mnt_idmap *idmap, const struct path *path,\n \t\t struct kstat *stat, u32 request_mask, u32 flags);\n int ntfs_setattr(struct mnt_idmap *idmap, struct dentry *dentry,\n","prefixes":["v11","05/15"]}