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 89FFE224B05; Sat, 25 Apr 2026 01:53:41 +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=1777082021; cv=none; b=M4xOu2Dxp/C/Sb1QifbqUc/eESpUbgbtQcHuaWdpUNjD+V7OzaR3Cv9aRmNmjTRItMy3apIjvrJLS1qsi2Xq8GV7i+hZbfN8Q/BGMCkGSUaECtO3FurWbK3XJ2tkSJ5usqGvE3crm5GEI7ut5DY4UZ9xh7gYcb0BTI/8ZApXbDw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777082021; c=relaxed/simple; bh=oRDGC96aXLrYGoaLGWDMb1hUHb5uY4mVyf16uiV2qPs=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=TWwOY/BOMickuVAWh2VrPBCmGBNfSkKnqiFdeeL2mLuSfIDQ81+0c9sZjWO7P/QwosUfRSu2dvLh3h96E/L4zGukSoMs+iBF5z3b1A1GBz+IyKjWsgzL89MoDv4cDHjItZM5RIxUiGEfFzt+3nDS7lXB+pT7e675wcGLbVG3LNA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=oFIOSmTU; 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="oFIOSmTU" Received: by smtp.kernel.org (Postfix) with ESMTPSA id EBC06C2BCB6; Sat, 25 Apr 2026 01:53:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1777082021; bh=oRDGC96aXLrYGoaLGWDMb1hUHb5uY4mVyf16uiV2qPs=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=oFIOSmTU2nhLm7K9+JpqJ9d5kWh4Uf7fpNodaD6YWmjrJ4yyGvopEvJViPasI0nmQ VK8NZq+CThLHyQdjaq79rzmS56kUemS4V1peJSEVtKktXl/6+3XAFMuYj6d0lHYph8 kafByR1dboAtJWBjbq8iyRdxQyf6N19kuRjythCLSoRc4TTWOpV64mGE6F7Waeisxi G/K854a0Exs9tEfTOWqY+M1QQuz5fS/2X9hCOC4Wvm0/HJQDb4yDheDPLnoxUDY+yl LUs0NeatZhbKlgF568h5vyfnZuen2p9Mq0zwV7osGoA59hCN1Aho6GiV7cizMAaAhc xS9nLQB+Mlisw== From: Chuck Lever Date: Fri, 24 Apr 2026 21:53:09 -0400 Subject: [PATCH v11 07/15] hfsplus: Report case sensitivity in fileattr_get Precedence: bulk X-Mailing-List: linux-api@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: <20260424-case-sensitivity-v11-7-de5619beddaf@oracle.com> References: <20260424-case-sensitivity-v11-0-de5619beddaf@oracle.com> In-Reply-To: <20260424-case-sensitivity-v11-0-de5619beddaf@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=1623; i=chuck.lever@oracle.com; h=from:subject:message-id; bh=GH3KwkswOpLheXLhG9bp+y8vR50klKh2XxRFWosaGQw=; b=owEBbQKS/ZANAwAKATNqszNvZn+XAcsmYgBp7B6QNmj81GM08BqfbJycnCt6uIXkx7PkUPmCT PsNKSwA0VmJAjMEAAEKAB0WIQQosuWwEobfJDzyPv4zarMzb2Z/lwUCaewekAAKCRAzarMzb2Z/ l2PBD/wL9qDmPVh0AFBM5UbZyA8/ZailA6PaV0N5R1QyRq5wfKCOp7xkGRD6enKq24kxShCYkpL tm1OBWZBPH+lIUiuy+wWPySjdk1BsT0SrppjgXbnVMHzlsTKCPI4daviYHU5EBqEMSPznjqo2pb eBB/hFCjyWtk2K6VnDWu/RFxa89dniD1CgkbS4MZh2RgcGkDOBcZ325NEYCE1rg0J3g3vuiQbOF Izja/7zVl2L54lEOj/h+BLYPmOXT2T/pIMvcdMNHTcNtEtoMuPfNaOz+Fz01108trrpSH/djHgO HrncxA8pcsqiOM4fBOMDrCkPAEjmRQPy7fu2EWu1G/dMXUWYDE7GVJNy8BEAUXZhGDCl9HklwEA o+GBAO/7/SKRipZz5PR9oj6uIHQ2ROL23qpKs9jiMqxugb1olcdRth9aEoY7Wyc5fi1Nygj28MF 0ILw4CdA/2Qq6jlUyKnv1BbWQpslm3T+u4np9UbPWvahRQTpvGFBqFBjzkyxjNjT8jPjnM+kexc mF5b/zImKIi/CitshFezOBSvm+MrrwSyvjeGbkmWIH6xfFXLnR6duJnJp8otkzl/s9UpStUkMa0 JtnhL3Pk8E2UxPjf+oR0oXrb9xVifqi9sHOCMqHCtWUnbtlNoxZkWdr8tHKpY9X5dX8K0iPNEgu 5Cf62172SzTHlFQ== 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 Reviewed-by: Roland Mainz Signed-off-by: Chuck Lever --- fs/hfsplus/inode.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/fs/hfsplus/inode.c b/fs/hfsplus/inode.c index d05891ec492e..38b6eb659a79 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 +752,17 @@ 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; + fa->flags |= FS_CASEFOLD_FL; + } return 0; } -- 2.53.0