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 337B233B6E3; Wed, 22 Apr 2026 23:30:34 +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=1776900634; cv=none; b=pjqTEqDF7LNwb4g14MSAi4JJtZvCvUwWog+RRDw+8fmRlBIHyb3ljVHiOKPyE1mx4Pzrq4PUnCsc2SnuhtL8t/LyI16lkwtTIL9a/EgRN0DwclMqyp4I1SxCE6qTbN9p5UfuSwQ2Cefca8KuoIDhy0KRNPsynZymAg7f75uJjTk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776900634; c=relaxed/simple; bh=PcroO5CweiTdfrAbvYqaLqKDeO9OE61yEag4vDGPG8Y=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=Nvwe72pTSEzDxEhbxU7mfzHAV+aSOPO2laOidjX75s1SIU0xBapreOdIA9mGisP9BLRq51PN/JMKIuLGX5jzuEGX2ODrRxjrR5j+FSF1+UzdqZd2P4yiVUcjBccOBbYQZ04UwI+dm0D56OhKLn500ps8dFF94fH/MbY1xXumOIs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=a3XdQt3G; 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="a3XdQt3G" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B716FC19425; Wed, 22 Apr 2026 23:30:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1776900633; bh=PcroO5CweiTdfrAbvYqaLqKDeO9OE61yEag4vDGPG8Y=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=a3XdQt3Gn+AWljtg1JgKHnMFskrXRQkdifjAYtRnz3vVeVZq+OzHdNBzDPQmSd07t owTjiQgraE8bS26TcX2l1URUgEGWan2h6QFEIDXf1eSMIlulMsTE2MKWfBw7Gko6Ic OUq7QWVLi7rDV4OWz/UqvEyfR4upp76XBTUI+H5MweZ8DxmUMlrp9beGuSvQLpyXGD 3qAgnhkys6dz7xmsqUlGWgREOf5SLeO9PGxZhj7ySoKDpKpe9xTJ/e22Swei4MxtNZ Gu88sQMedIr/++xFZj9gfbAkfbRtp2XqRmE+LdDyXbIHReBU6eMcCgpvXUzApcZlrS NzUrMNAaeJbsw== From: Chuck Lever Date: Wed, 22 Apr 2026 19:30:01 -0400 Subject: [PATCH v9 07/17] hfsplus: Report case sensitivity in fileattr_get Precedence: bulk X-Mailing-List: linux-xfs@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: <20260422-case-sensitivity-v9-7-be023cc070e2@oracle.com> References: <20260422-case-sensitivity-v9-0-be023cc070e2@oracle.com> In-Reply-To: <20260422-case-sensitivity-v9-0-be023cc070e2@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 X-Mailer: b4 0.16-dev X-Developer-Signature: v=1; a=openpgp-sha256; l=1527; i=chuck.lever@oracle.com; h=from:subject:message-id; bh=DsH9Ul/eRW+1BLm1emwHx7xWw9r+GnxZnlKzlLXX6Ts=; b=owEBbQKS/ZANAwAKATNqszNvZn+XAcsmYgBp6VoF9zDZc9sCCBTCQGhgFXZOUxhLZqkiabRzh m2Dce5ZLVCJAjMEAAEKAB0WIQQosuWwEobfJDzyPv4zarMzb2Z/lwUCaelaBQAKCRAzarMzb2Z/ l7QQD/9NPdB+1IIja3d/pborFSqA2NE3c/tzM3HQaZsVQelKHPaLICOeBWaW4M1L7qVwHb+pR9C lDudkaTgbZ8PTRzTtCB47xQwT4WoeuaVyoHy3aAYytqPo2JYe/8ZkMib9uMNg8brK6L8qCZRlUt X6zWuNycOEJAkfNGyHRn0frVkzsKT5TY+rqxRP1vvLljxGysVsi7GN9wAXDYFtiE7rSH0imu+VU qG+9YSAwe9yiomEAoRcHwXfn3sYARNaKqVbWyNqbjyUVoICozcOvAzrYCbOc3posJTLN/JilYH+ wWC6aLVqG9y5gMTYD4DqVhxiq/VaIUyGjMnFp8cWPd7MR+zx8YnVEXgqLkgBHTgbzOOvo8FrFHm Xn1vI8PQNHBT0MOTh0Xw40YO1cUG4Q3Qllu0Neo/mB6Wdaf52/z2AdCQiUsrIFVz91oTx0XLtql D3PYQJDJRrwNTWo7pRgxEMhVCDakfO59yt5aXSjdHPOiqW32a420yu6PRZKRkdi6s7LjaJguA/G YWxS8wZwyZcycHO/nagVb27/jJxJmueeeQicDaA2ynQfyh2WzcRpW5XDMbBUQU6B4QoxmJwAqIc Guqq0pW88+GuBS8FhBNXtr6tDk0xeIVb0qOafK6JQ2sJIlQkz/YVXo5FYrL2lAF8Zxt3aaY29bb BPOiedPDny3snbA== X-Developer-Key: i=chuck.lever@oracle.com; a=openpgp; fpr=28B2E5B01286DF243CF23EFE336AB3336F667F97 From: Chuck Lever Add case sensitivity reporting to the existing hfsplus_fileattr_get() function via the FS_XFLAG_CASEFOLD flag. HFS+ always preserves case at rest. Case sensitivity depends on how the volume was formatted: HFSX volumes may be either case-sensitive or case-insensitive, indicated by the HFSPLUS_SB_CASEFOLD superblock flag. Reviewed-by: Viacheslav Dubeyko Signed-off-by: Chuck Lever --- fs/hfsplus/inode.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/fs/hfsplus/inode.c b/fs/hfsplus/inode.c index d05891ec492e..ffbb57493d7b 100644 --- a/fs/hfsplus/inode.c +++ b/fs/hfsplus/inode.c @@ -740,6 +740,7 @@ int hfsplus_fileattr_get(struct dentry *dentry, struct file_kattr *fa) { struct inode *inode = d_inode(dentry); struct hfsplus_inode_info *hip = HFSPLUS_I(inode); + struct hfsplus_sb_info *sbi = HFSPLUS_SB(inode->i_sb); unsigned int flags = 0; if (inode->i_flags & S_IMMUTABLE) @@ -751,6 +752,15 @@ int hfsplus_fileattr_get(struct dentry *dentry, struct file_kattr *fa) fileattr_fill_flags(fa, flags); + /* + * HFS+ always preserves case at rest. Standard HFS+ volumes + * are case-insensitive; HFSX volumes may be either + * case-sensitive or case-insensitive depending on how they + * were formatted. HFSPLUS_SB_CASEFOLD is set in both + * case-insensitive variants. + */ + if (test_bit(HFSPLUS_SB_CASEFOLD, &sbi->flags)) + fa->fsx_xflags |= FS_XFLAG_CASEFOLD; return 0; } -- 2.53.0