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 476122D94BB; Wed, 14 Jan 2026 14:29:16 +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=1768400957; cv=none; b=O3LnLq6T/ga7lFETujA0C41IJQwasAH97z7Dw9OxjfB0S8qSXgEiML9WU1grVLSPlvajh/JN3l79vfzh+CgY77g3lV9OotSMfDnUOQwaIJ+WjYl6iyn9CJWylndRo4HXW0L4Lpgj5qxGMpZzzNlv8MPz4v/tBNF+KSEFtBIjgIY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768400957; c=relaxed/simple; bh=gRv+sO1S3hrUFLKI3T4D9s/Q8NW2IImgEOr3ucFDdXg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=TvIQmTNHunLaXdXPC1pLvZ2jGiAzsLVKjhOiDGcvSes5sdEHdCFkrtnFyZqVsqyFsjDHKFHNdLLKlB9AX1Ldctid6ZSiDu+X++STAsZRJm9rdm0DXD2oPUb3kmP764DCrfyGiXGiufBwI8/Rmkjq8pRK+/cq8p7gNcJeZmkZj8s= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=JMHK6Rp7; 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="JMHK6Rp7" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9FFD2C4CEF7; Wed, 14 Jan 2026 14:29:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1768400956; bh=gRv+sO1S3hrUFLKI3T4D9s/Q8NW2IImgEOr3ucFDdXg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=JMHK6Rp7ljpQjifdF7vPQsTOMGAiTsVjXwAZTRJT0RoS+qcCo3UMvkC7xDa/IjB1d BZF/nqe+pL3+eCH9paYgA0gY618lalhSvgiyvDbeaubSLhSUfe8RSbcEypZCEe2oxe bUinciITMuW9VlVPuW+Y3UVWLizCdbDxGXpwEYhFxtVuNmI5cNygcYpGHBbitMJLG9 aYwHkruvGsR2g57wqLFEYJcvuPwVIk/alUeuykmec+lie6OpeIYTSjAKYHtVFEBxND 6DmS4qEbQ/SczibCpJVCa5NSEmfLjoNLLQpxS6R6bKukvvIHCkb0qTvbPNgd4qWyHC 4jp8k5bA+cnSA== From: Chuck Lever To: vira, Christian Brauner , Jan Kara Cc: , linux-ext4@vger.kernel.org, linux-xfs@vger.kernel.org, linux-cifs@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 v4 05/16] hfs: Implement fileattr_get for case sensitivity Date: Wed, 14 Jan 2026 09:28:48 -0500 Message-ID: <20260114142900.3945054-6-cel@kernel.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260114142900.3945054-1-cel@kernel.org> References: <20260114142900.3945054-1-cel@kernel.org> Precedence: bulk X-Mailing-List: linux-ext4@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 file_kattr boolean fields. 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 | 12 ++++++++++++ 3 files changed, 15 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..c52bc52712eb 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 +699,16 @@ 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) +{ + /* + * HFS is always case-insensitive (using Mac OS Roman case + * folding). Case is preserved at rest (the default). + */ + fa->case_insensitive = true; + return 0; +} + static const struct file_operations hfs_file_operations = { .llseek = generic_file_llseek, .read_iter = generic_file_read_iter, @@ -714,4 +725,5 @@ 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