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 84401413251; Wed, 29 Apr 2026 18:07:41 +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=1777486061; cv=none; b=p0ks2OFfMWtkisRNyJK1fA47pSSP2ruqyDBjmtRZtd3Du1Kmpxlf1yjv4hjXAI6u1ggZApXb9EiK+AEr6pkjwMWehdpXQ6xZLFa132vaOPeCgN0MQd0StT0p0MX5RDbkvXsCJPP4uhxN+879zSjyPc1KI8ZOod/SZXN6xSPJPDw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777486061; c=relaxed/simple; bh=Jr2vXTu8AWi0WLbHX7TZXwTWNGI+4Lcw2ajtKVSihdo=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=tUgBTWrZ/RzyNG4z29aE8nCUTg/jcXxi41RHGzS0rzci8vAKircjbeEIvhupIL5bn1e3Tma+fWZcTW+2YXjiuHL6/fNhKVE+ato5bAUU7tDNByXlL/bRFOfkfpZNyCYIvy+lfx76vBi2uoiDJqhK2AL+Kkr0ktqVkNMmvz7UgJU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=H4hkcKdO; 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="H4hkcKdO" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9BB9FC2BCB8; Wed, 29 Apr 2026 18:07:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1777486060; bh=Jr2vXTu8AWi0WLbHX7TZXwTWNGI+4Lcw2ajtKVSihdo=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=H4hkcKdOtgVohFeEMBly9tiJ+Q7kHBTPSJQh23DNrozGwjpNTktT9vdstPEX5FgWC xJLDOUH5RtxNUSqSrXVwDrIWVN70zoNu/XtfCqNWb2UwB/9ywfCs4qCz3/mz6hp6NT 7Z+yhT14jcEyqbCNPJh5CNKFtqmieeSWOQaZxIpi39uVF5LWQzrWwuypW0pNzScH83 PuJcQRIICUbp8Gjr+BthDFODkLnWiHc0LMTNTJ19mFA5e+xQucZM7SEk25tyLZxLja 2uNiNYF11rrGrto5PWGyIjohGyGs4cE/970/AIFWNhv8SkScTYEXYhYD2qOeFlsqQr 8Ee02zFvzr6vw== From: Chuck Lever Date: Wed, 29 Apr 2026 14:07:16 -0400 Subject: [PATCH v12 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: <20260429-case-sensitivity-v12-5-8057123bebe0@oracle.com> References: <20260429-case-sensitivity-v12-0-8057123bebe0@oracle.com> In-Reply-To: <20260429-case-sensitivity-v12-0-8057123bebe0@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+XAcsmYgBp8kjcdWJaf/Ss0k77ld+dZmJerGJikmCOeLDmS LXIqqAiSzOJAjMEAAEKAB0WIQQosuWwEobfJDzyPv4zarMzb2Z/lwUCafJI3AAKCRAzarMzb2Z/ l3vPD/9QjIf1La1fBNPrgqaxaDcBUitjem2nDH7tCSLtjBLhFLpBc6MlsFqrxIJ1AMrSeeHkZlK 1+Lud/Db8G1zwPNyGNFGBFzT9iL1nq5IruAYeOgD+ER4QmZ1qiZPrC2ozm0AnLMsWwJWu9frM7L 2DI3iAapDnlsfYI5w90UTlQjNFOAMAUu6tRaJnvDBX4wi6gtuw7bLoWcUDhmCauS7CvR7I/UrQ0 HShoUYm7g8CHyhkRMmG8ES/eh2uqo1MUbVldlhxP2/gXE5CRPLjLLHL5m9LFcSlibOFvNeE1z0s eqsExEY2+XnPZL/Bz5V9vYzPmkNACW5R0ucV6Pc9O/jSvyfi0i32bvbThpBYlbzJkZCnCGGfjXC QXbdpo9pBLNc2F7jK5Pv/CaIMqtn0CjBD7pamsGss8KY32wjsbpnN+0SUw5Yn56h+T/mi4HW+Pw Yy42x7EIW546o4ZjLZB8xwaEyOm+OPtb443oHZSZeW+7/+bLB+kaS4idk7GhXSIbvBt0qgIse+0 95K9wSuiQPRJkC22fDfNk6fnK2dD6ZVsmxMLGlSbIvglFWruSVGTs2lQPqfvQLmwN1Vb+HKkN55 Qs1U3Z8N9ISZMm18ooGPhF3u56nqpLdaoxeoNXXlqqwvl8nVu82yX96I/5Ty8Jx5VsVAEvw4ry5 nWN5WYvpuCOXzKQ== 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