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 D46BB279DAF; Thu, 22 Jan 2026 16:03:28 +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=1769097809; cv=none; b=mhDDLBOFKgXhfX8qt5QAxq5+wQ5tFUHsbcpWyskMVFDHr+5fM/Po36cbHJS7NmPtucHgm8UPElJIh6Y2oJd1sqn1jJwdrSEhiveRx5zYjIxR7eHLRuzHnuKtcMtv+sLW24n2AEsqORzthbdcRzrEzFTVOYyPvKW1Fdl8YSf2ycA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769097809; c=relaxed/simple; bh=w+01RcBephbRBLBgu636K7j0MNJCHtYjll5ZCP+j9SA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=mf86GkrNwA0/FVhhwTJ+nIlkaWGudvPvUdsdy4Sy6/SJc0Xm4qc0vWY+LF7YIkFehlET0JzSRgrSdKoomTSZGoVZhzT/PHqP2lgmdRwKDuNyHntGWJtJxXugdogkA51uaDSpU9CoUUShfkE8Kn/BAfHK9bMf488eNM5bizpbhEk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=bX0osAIE; 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="bX0osAIE" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 021F6C116D0; Thu, 22 Jan 2026 16:03:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1769097808; bh=w+01RcBephbRBLBgu636K7j0MNJCHtYjll5ZCP+j9SA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=bX0osAIE0vZUyMw+SzeW/nKgwKDG6Og3FgPs8tBiGU9+VMObuZ/Ql9Nz8eoZ5mf/s Ctg3vppNllYn73rszLKhRU8a6R5W96fsDW5kv8O62Qiaft7xuFoke0IQ5TH9xj00oX UsWpxy10cypaXMpIz4yfmjb4rVT5XY+JhBxB9ZKFV+p2IyjpefshPxIHdjqA0Iwjzs kWb9z7cOyxUPhX0TIE12ihOFnW8l3p/fGb7RIvGoCDDBW/z3c6yn1BD1mNOqyThb0m Bdp9a2zsW4TGlALP2kBtzhIdGtfCoxhcqo0ITPgyyQ5bBtfVCcx4odmCF2PjK4f9a2 I6OoQush3gMGA== From: Chuck Lever To: Al Viro , Christian Brauner , Jan Kara Cc: , linux-ext4@vger.kernel.org, linux-xfs@vger.kernel.org, linux-cifs@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 Subject: [PATCH v7 05/16] hfs: Implement fileattr_get for case sensitivity Date: Thu, 22 Jan 2026 11:03:00 -0500 Message-ID: <20260122160311.1117669-6-cel@kernel.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260122160311.1117669-1-cel@kernel.org> References: <20260122160311.1117669-1-cel@kernel.org> Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Chuck Lever Report HFS case sensitivity behavior via the FS_XFLAG_CASEFOLD flag. HFS is always case-insensitive (using Mac OS Roman case folding) and always preserves case at rest. Reviewed-by: Viacheslav Dubeyko Signed-off-by: Chuck Lever --- fs/hfs/dir.c | 1 + fs/hfs/hfs_fs.h | 2 ++ fs/hfs/inode.c | 13 +++++++++++++ 3 files changed, 16 insertions(+) diff --git a/fs/hfs/dir.c b/fs/hfs/dir.c index 86a6b317b474..552156896105 100644 --- a/fs/hfs/dir.c +++ b/fs/hfs/dir.c @@ -321,4 +321,5 @@ const struct inode_operations hfs_dir_inode_operations = { .rmdir = hfs_remove, .rename = hfs_rename, .setattr = hfs_inode_setattr, + .fileattr_get = hfs_fileattr_get, }; diff --git a/fs/hfs/hfs_fs.h b/fs/hfs/hfs_fs.h index e94dbc04a1e4..a25cdda8ab34 100644 --- a/fs/hfs/hfs_fs.h +++ b/fs/hfs/hfs_fs.h @@ -177,6 +177,8 @@ extern int hfs_get_block(struct inode *inode, sector_t block, extern const struct address_space_operations hfs_aops; extern const struct address_space_operations hfs_btree_aops; +struct file_kattr; +int hfs_fileattr_get(struct dentry *dentry, struct file_kattr *fa); int hfs_write_begin(const struct kiocb *iocb, struct address_space *mapping, loff_t pos, unsigned int len, struct folio **foliop, void **fsdata); diff --git a/fs/hfs/inode.c b/fs/hfs/inode.c index 524db1389737..8d7ef19af538 100644 --- a/fs/hfs/inode.c +++ b/fs/hfs/inode.c @@ -18,6 +18,7 @@ #include #include #include +#include #include "hfs_fs.h" #include "btree.h" @@ -698,6 +699,17 @@ static int hfs_file_fsync(struct file *filp, loff_t start, loff_t end, return ret; } +int hfs_fileattr_get(struct dentry *dentry, struct file_kattr *fa) +{ + /* + * Report case-insensitive behavior: all name comparisons use + * Mac OS Roman case folding. FS_XFLAG_CASENONPRESERVING remains + * unset because original case is preserved on disk. + */ + fa->fsx_xflags |= FS_XFLAG_CASEFOLD; + return 0; +} + static const struct file_operations hfs_file_operations = { .llseek = generic_file_llseek, .read_iter = generic_file_read_iter, @@ -714,4 +726,5 @@ static const struct inode_operations hfs_file_inode_operations = { .lookup = hfs_file_lookup, .setattr = hfs_inode_setattr, .listxattr = generic_listxattr, + .fileattr_get = hfs_fileattr_get, }; -- 2.52.0