From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from outgoing.mit.edu (outgoing-auth-1.mit.edu [18.9.28.11]) (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 770583009DE for ; Thu, 19 Feb 2026 13:16:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=18.9.28.11 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771506974; cv=none; b=Mn+OgfPCPcBswv38cu+ujZJTjiGlLzRy3n1qeu5mETIkOZ7RRwWAwrKyxisEWKsgjYzbCQbb3GLs3YcnmB+eyOwcTaquROEFKNsXl5chqk7y7AWSUzJrAxQSoonHWkLXIuD54zXuRf939KcE1/I2gu8fMnG+Xwa+GQR1n4qEz8E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771506974; c=relaxed/simple; bh=DbA0pVvkD81yH1UFr/+teBp0AtmqQoNA59E1qisFcRw=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=mEvfc/cL3dDvrouJl9ke2ZcvS8LL/h22XUUyaotbLNbzLaGmePt2maz9ADdWvkJBQ4BKavRiQlGOyzvtsjJzO5NCVChcSdDgpeOAetMPffZsh7VnYkMRlxncqiLFcy8C9PFmJfFC+WjUGxVwrIoqlRm406c6Ol2mVTTK8tis5qE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=mit.edu; spf=pass smtp.mailfrom=mit.edu; dkim=pass (2048-bit key) header.d=mit.edu header.i=@mit.edu header.b=QMseGHyh; arc=none smtp.client-ip=18.9.28.11 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=mit.edu Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=mit.edu Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=mit.edu header.i=@mit.edu header.b="QMseGHyh" Received: from macsyma.thunk.org (pool-173-48-113-47.bstnma.fios.verizon.net [173.48.113.47]) (authenticated bits=0) (User authenticated as tytso@ATHENA.MIT.EDU) by outgoing.mit.edu (8.14.7/8.12.4) with ESMTP id 61JDEfrH015259 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 19 Feb 2026 08:14:42 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mit.edu; s=outgoing; t=1771506893; bh=YvzVGXRA9tq4Mexi8H81CMjCPQQmDTjjwr0q5r4ZxjY=; h=Date:From:Subject:Message-ID:MIME-Version:Content-Type; b=QMseGHyhfBaFWPX10hbUsMCruhrhgp9Y/y2cMCXsfRSODON0B5P+fIp1gbQDE498j 3kKA0mEvpnBkxC4fOP6ZE400XvESf8AzQ8W4hQYtEoVmenggeiuCZAsgDBp1wUb2cT X6xiagrW3q1RCtta1iKSfDQKms5OjV5lnfxVAv8Q2AfkIOYoMk37GhEy8mDWLba8oU +wzfcZxoHjbivvm4nlALGSOE0Sgx0+Y+qu96lZShmvpLYtEHFmEOzfCJdgvL6N1a6T adL+YMa067AgExO/2xBFBiPTBuMQzJwlEaf6kQsPMFWsEHJLIbYxEGHfhvJQevk+z6 +8ydG6It0w42g== Received: by macsyma.thunk.org (Postfix, from userid 15806) id 51D465919577; Thu, 19 Feb 2026 08:14:41 -0500 (EST) Date: Thu, 19 Feb 2026 08:14:41 -0500 From: "Theodore Tso" To: Chuck Lever Cc: Al Viro , Christian Brauner , Jan Kara , 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, 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: Re: [PATCH v8 08/17] ext4: Report case sensitivity in fileattr_get Message-ID: <20260219131441.GA69183@macsyma-wired.lan> References: <20260217214741.1928576-1-cel@kernel.org> <20260217214741.1928576-9-cel@kernel.org> 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=us-ascii Content-Disposition: inline In-Reply-To: <20260217214741.1928576-9-cel@kernel.org> On Tue, Feb 17, 2026 at 04:47:32PM -0500, Chuck Lever wrote: > From: Chuck Lever > > Report ext4's case sensitivity behavior via the FS_XFLAG_CASEFOLD > flag. ext4 always preserves case at rest. > > Case sensitivity is a per-directory setting in ext4. If the queried > inode is a casefolded directory, report case-insensitive; otherwise > report case-sensitive (standard POSIX behavior). > > Reviewed-by: Jan Kara > Signed-off-by: Chuck Lever Acked-by: Theodore Ts'o