From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 17FA7299929; Sat, 2 May 2026 14:21:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777731702; cv=none; b=Xg/jxsNVNst5hce5RE0CrVSMc+TsBsPo+6u4vzlD6X5Xg8b5msr9um0DCVKChhBlKvcTVheLzeGzv3Jbc0ug6JU2NMhLjnViNMio26PMtmSMp0Jh2iZeLEHgoK4izyofBz+rxnVmVwzvUf1ihemGPFOgwg34N+ljIEGys/4Wm1w= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777731702; c=relaxed/simple; bh=Jr2vXTu8AWi0WLbHX7TZXwTWNGI+4Lcw2ajtKVSihdo=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=R44VjDcEPYH1MbnlmqfuvE0qCZNQaqVZIbZXh0LCAgh7D0pVDFqyMuJvi5wHAaQbyv7i0KjpWxq/K1XN9JOlEXY+LC49qdhMzqE4sOo6B1zV485WTcKcSiTTk1wF1S0jzmz+EgUMHRcGuMpIGqJlSJUXM2Pz9SX5jVgfuHhw+Bo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=IL4KlJwn; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="IL4KlJwn" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 31E1EC2BCB3; Sat, 2 May 2026 14:21:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1777731701; bh=Jr2vXTu8AWi0WLbHX7TZXwTWNGI+4Lcw2ajtKVSihdo=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=IL4KlJwn2AHjnH6JLmqB8a/9HPwdh9jM7M4lM7LB8f6UCxtqoiWnoGiWDaQu0xDS7 3b+ldLWhH6AoQDYKHks+/cwmG+A9KpbHL1v6HMl6AOAuKNOjhTxHzc7n8TiCBegKCD jRatixPGX7UObX+yWwXD9429kGkjWVHONbxg1+MYah98HPoUQNcWmYwIVuJwilLKCq 8E9qB9+VOhFoer/nxjSeZz19a8HISsaCTH0APtyKcotnUkV1wKrPgGdaGELvQKjdso O0v7SSeyqUHHS5X117KsMF1sj38B3469o2tsU9DYmKMDfnSISpzLl4UZQMHTvu+8tG KToyxrpT4f6lw== From: Chuck Lever Date: Sat, 02 May 2026 10:20:50 -0400 Subject: [PATCH v13 05/15] ntfs3: Implement fileattr_get for case sensitivity Precedence: bulk X-Mailing-List: linux-ext4@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260502-case-sensitivity-v13-5-aa853140311f@oracle.com> References: <20260502-case-sensitivity-v13-0-aa853140311f@oracle.com> In-Reply-To: <20260502-case-sensitivity-v13-0-aa853140311f@oracle.com> To: Al Viro , Christian Brauner , Jan Kara Cc: linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org, linux-xfs@vger.kernel.org, linux-cifs@vger.kernel.org, linux-nfs@vger.kernel.org, linux-api@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, hirofumi@mail.parknet.co.jp, linkinjeon@kernel.org, sj1557.seo@samsung.com, yuezhang.mo@sony.com, almaz.alexandrovich@paragon-software.com, slava@dubeyko.com, glaubitz@physik.fu-berlin.de, frank.li@vivo.com, tytso@mit.edu, adilger.kernel@dilger.ca, cem@kernel.org, sfrench@samba.org, pc@manguebit.org, ronniesahlberg@gmail.com, sprasad@microsoft.com, trondmy@kernel.org, anna@kernel.org, jaegeuk@kernel.org, chao@kernel.org, hansg@kernel.org, senozhatsky@chromium.org, Chuck Lever , Roland Mainz X-Mailer: b4 0.16-dev X-Developer-Signature: v=1; a=openpgp-sha256; l=3431; i=chuck.lever@oracle.com; h=from:subject:message-id; bh=UmPMiHkroOwooAuYrGTrmJ1qLD7CrIqd1OwFLzWWmkc=; b=owEBbQKS/ZANAwAKATNqszNvZn+XAcsmYgBp9ghQ9K/sC9LWtK6pwbsZRS8OTBcf+CS39iSk7 Nq08hmtu0+JAjMEAAEKAB0WIQQosuWwEobfJDzyPv4zarMzb2Z/lwUCafYIUAAKCRAzarMzb2Z/ lxoFD/0bz3UIr03DhE8clH6SXUPl/ZjBHJpY/0YML8Hm999u3SXTGv22OBcRqIfFDHc98wEvZJ9 P0JKQHwESPE5ARbuFr6qNbSvQ4I5crWuKVHugQvfYCBlZoW5M6mkb+spsJQyO5C5svtwOZFHDGF 8wTTKgZkfMA6fkrZ0A5YIjAhvpmfwPcnue7dCNoNHknqp1FJey/W25NX/K3BGwN2G1B416WclyT WALnLxgBEfKExyOEczmLkeYtM8dpC0UIdeq8pChHq8cIPVZTHcuy0uIPCul5H0Sn1TrUxA0b2qw 7Q7SPhx5pKMeQn/zpw7wyHGSWnKvRU06EURqhe5W349pJMNpoA/cBLB1RWiKCS1TbJPYqeLVyoC SlNuTD0G6WFxoc1kZY216Bbw35ZJMKlRVa5+wPxFuIJr2JupfWev9HFfBHn6H/kBpIQ7GYKDVz5 +pGeqylvNWHHd0r1eUqvziaYJPveY4ez40J1OQGnUM60vQEH/oxQNHlBCyXPU4/fCQxqG3E1eRz b39WmOYUGQf8cd92747uFHrSjBHIYfviCqRnkEGPpArursdTwNrnt7OXLp1gpvTZmSNmE/WAAe+ v5AMZ1m+CQu6GCdjkOQTVp265H/0i3OXnKN//srxKbNZ1PDnblkfKmceZwl4ZaipUMxhhYTOy/M YFHRYJOpCkIgkcg== X-Developer-Key: i=chuck.lever@oracle.com; a=openpgp; fpr=28B2E5B01286DF243CF23EFE336AB3336F667F97 From: Chuck Lever Report NTFS case sensitivity behavior via the FS_XFLAG_CASEFOLD flag. NTFS always preserves case at rest. Reviewed-by: Roland Mainz Signed-off-by: Chuck Lever --- fs/ntfs3/file.c | 29 +++++++++++++++++++++++++++++ fs/ntfs3/inode.c | 1 + fs/ntfs3/namei.c | 2 ++ fs/ntfs3/ntfs_fs.h | 1 + 4 files changed, 33 insertions(+) diff --git a/fs/ntfs3/file.c b/fs/ntfs3/file.c index b041639ab406..ad9350d7fc3f 100644 --- a/fs/ntfs3/file.c +++ b/fs/ntfs3/file.c @@ -180,6 +180,34 @@ long ntfs_compat_ioctl(struct file *filp, u32 cmd, unsigned long arg) } #endif +/* + * ntfs_fileattr_get - inode_operations::fileattr_get + */ +int ntfs_fileattr_get(struct dentry *dentry, struct file_kattr *fa) +{ + struct inode *inode = d_inode(dentry); + struct ntfs_sb_info *sbi = inode->i_sb->s_fs_info; + + /* Avoid any operation if inode is bad. */ + if (unlikely(is_bad_ni(ntfs_i(inode)))) + return -EINVAL; + + /* + * NTFS preserves case (the default). Case sensitivity depends on + * mount options: with "nocase", NTFS is case-insensitive; + * otherwise it is case-sensitive. + */ + if (sbi->options->nocase) { + fa->fsx_xflags |= FS_XFLAG_CASEFOLD; + fa->flags |= FS_CASEFOLD_FL; + } + if (inode->i_flags & S_IMMUTABLE) { + fa->fsx_xflags |= FS_XFLAG_IMMUTABLE; + fa->flags |= FS_IMMUTABLE_FL; + } + return 0; +} + /* * ntfs_getattr - inode_operations::getattr */ @@ -1547,6 +1575,7 @@ const struct inode_operations ntfs_file_inode_operations = { .get_acl = ntfs_get_acl, .set_acl = ntfs_set_acl, .fiemap = ntfs_fiemap, + .fileattr_get = ntfs_fileattr_get, }; const struct file_operations ntfs_file_operations = { diff --git a/fs/ntfs3/inode.c b/fs/ntfs3/inode.c index 42af1abe17f8..a5ff04c2efd3 100644 --- a/fs/ntfs3/inode.c +++ b/fs/ntfs3/inode.c @@ -2095,6 +2095,7 @@ const struct inode_operations ntfs_link_inode_operations = { .get_link = ntfs_get_link, .setattr = ntfs_setattr, .listxattr = ntfs_listxattr, + .fileattr_get = ntfs_fileattr_get, }; const struct address_space_operations ntfs_aops = { diff --git a/fs/ntfs3/namei.c b/fs/ntfs3/namei.c index b2af8f695e60..eb241d7796ba 100644 --- a/fs/ntfs3/namei.c +++ b/fs/ntfs3/namei.c @@ -518,6 +518,7 @@ const struct inode_operations ntfs_dir_inode_operations = { .getattr = ntfs_getattr, .listxattr = ntfs_listxattr, .fiemap = ntfs_fiemap, + .fileattr_get = ntfs_fileattr_get, }; const struct inode_operations ntfs_special_inode_operations = { @@ -526,6 +527,7 @@ const struct inode_operations ntfs_special_inode_operations = { .listxattr = ntfs_listxattr, .get_acl = ntfs_get_acl, .set_acl = ntfs_set_acl, + .fileattr_get = ntfs_fileattr_get, }; const struct dentry_operations ntfs_dentry_ops = { diff --git a/fs/ntfs3/ntfs_fs.h b/fs/ntfs3/ntfs_fs.h index bbf3b6a1dcbe..41db22d652c4 100644 --- a/fs/ntfs3/ntfs_fs.h +++ b/fs/ntfs3/ntfs_fs.h @@ -529,6 +529,7 @@ bool dir_is_empty(struct inode *dir); extern const struct file_operations ntfs_dir_operations; /* Globals from file.c */ +int ntfs_fileattr_get(struct dentry *dentry, struct file_kattr *fa); int ntfs_getattr(struct mnt_idmap *idmap, const struct path *path, struct kstat *stat, u32 request_mask, u32 flags); int ntfs_setattr(struct mnt_idmap *idmap, struct dentry *dentry, -- 2.53.0