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 E36FA39EF0A; Thu, 7 May 2026 08:54:00 +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=1778144041; cv=none; b=IxUdahBVZLRlGD7LTtSjVzG2vhhLfeDh1WEx+0VPjmrVV/vIP/Lvflq3oMqdKnjUNJtUJYAhXB1FzZAksoAUeHAtHAzxcJwXJSG3KCu9fXvFyrD5nYbfvbbRgEZv9ZG68YU3/mPswj4KF/eBi1ZyOFzjLd5+M/1ENMWHOlz0dtg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778144041; c=relaxed/simple; bh=CpkP5qXoychwgQhX7e5UaD0uZEj/2vnARHn3ZWzY3lE=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=eF3ot7BZ+wY40cJEG3vsTyLB6sVZKho5M+lUSgWRrxyRNY7sYcIlfezVC46BBempb0K1VUETwmC1qhVg7WflXAa8fZqjXzR6SpAKoI6D7e+e7Zbycnomp91xD2nkf1hKGBOEsc3STiqj5Alu9I2Qu6TUB56A5oT8RSEJY9iEtYo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=mdgAia4V; 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="mdgAia4V" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0F5A2C2BCB2; Thu, 7 May 2026 08:53:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1778144040; bh=CpkP5qXoychwgQhX7e5UaD0uZEj/2vnARHn3ZWzY3lE=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=mdgAia4VjXayPTDEocoKQ5NFbkqPGipGQV03bbMQQShP43/KoaXumCHe4egRLVeGN eEXgrPNHpoBmYNEnazpFH4EJVqFPnHSFJoIuyG4BasSqyXflwBiSiz183urtPZ/aSH 4Ydvq83P4EkoSlToNMhAr+O4JxihtQrNZMvyznTIteBkW9lA8KBGhZrglyyNhUjK2P t3h2t3fe6cgheS96KMbVbq4Eh8b4LEInjnRwVYiE4KpXBUAw28jAPw0Vc25iO5oNh5 3hEvGharzmYjTSpGIDUO9HbZRW+76Xq/cssp+UWeSkb24ugB2FicDtFOOfY0pWtcvc hJ0JUl9IWSoUg== From: Chuck Lever Date: Thu, 07 May 2026 04:52:58 -0400 Subject: [PATCH v14 05/15] ntfs3: Implement fileattr_get for case sensitivity Precedence: bulk X-Mailing-List: linux-cifs@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: <20260507-case-sensitivity-v14-5-e62cc8200435@oracle.com> References: <20260507-case-sensitivity-v14-0-e62cc8200435@oracle.com> In-Reply-To: <20260507-case-sensitivity-v14-0-e62cc8200435@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=2717; i=chuck.lever@oracle.com; h=from:subject:message-id; bh=L0NeySD9QaaPp35s1Dug6uu6ElkMQLL1BoFsiPZmIBE=; b=owEBbQKS/ZANAwAKATNqszNvZn+XAcsmYgBp/FL13DJRT6JTajZnDiuUp7aIst6+o4YGoXcYV unAdfCmXpaJAjMEAAEKAB0WIQQosuWwEobfJDzyPv4zarMzb2Z/lwUCafxS9QAKCRAzarMzb2Z/ l0lPEACeBg0D/yuuSIDAEl/vYv/EEPCmU0v+ilcE7+SBZIDJHaPnMpOHcq2VcriDEoGLeDrFBA1 M5OdlF+qfCDnUt/ZGOBj4CEvGmEvg5rID+7oi5Z3S36u9TunsuyBCR1BeeSpfsr/EZwHO/cDvlz wrkw+ABiNWokGIIUVHE1ICZk8oYZtMWrFZ6Q2N34kuZvYuj9pnRmkZqhfLFuEE1VLWHyELIc5E1 pea8oDHkxAdWpv/439mA611MaiBAhAB0qkDAIFLYX3L3llGvGDi3ZYUeRu61BQ5XSUngAdTHLPF wOphbl3YHVLVxZwARMlKD5+Yv7PQpScwFc6bMShhrYD4ka8SidtqTkpWycgtE1GnDwh1EIY4qk/ zeemz+0yGHpx3Bm5KKRgLfYJaOKYX+RWSQAH4CpsKyfBTgBR198rwy7X4E6eOJnnMAa+CS97zX2 /4BaxOleA2VZeMUaPjSpb3j6jmbrGA9nLi5UYhNEUJ9bzEPXPJhgYcYxKOi3Ubj2TDhrpUUNUzo Kx3KEoMrW5S4yWtMMLAFTqNyVrNRnOZxmfrN/hfjhwQAFMJrJsEM4jd8ZsXsFvNszxtH9I1Z5c1 Dj4qXXm5zAuwZiW6LXoCTuBOnI8Z8Xc3geTj74ipQoWDhqGh47IyJAABNiuXT55GGeq0DC8ytSj UYQzN1kC5Vd9HoQ== 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/namei.c | 1 + fs/ntfs3/ntfs_fs.h | 1 + 3 files changed, 31 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/namei.c b/fs/ntfs3/namei.c index b2af8f695e60..e159ba66a34a 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 = { 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