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 40673279907; Fri, 26 Sep 2025 13:05:22 +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=1758891923; cv=none; b=hWoPvt/cDc17tRGcMSmyzIxIDIG9coKN9YZetZF72/l2WfxVdCJagzrVa1mpS640tDvhRbdCzt/NGgtkenhwJspo5Ps1oFZIV11BAH4Ohr+kZ9PdynmLxyvfRuRmw0Z38SGLJIIYfxtjISaiMOqNx6SC7cMB3GdhFtRPOMfG/pM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758891923; c=relaxed/simple; bh=+drV6HJHMDiVWXsRI1t2fojc5Ew0Gr1Z3BP7jR4SjQA=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=SXXvQpmDGkVluY01nFnw5fzcGDW6BIAg/otN2xWWVEtCv6iCexzqBKRJQHseoc6B5AHT0zkPgfqUB9aU6Fhz0qoxlL448/Jr/e7EwZWk5vIaWudE0pTzfJJnbalMAVm/VFEw15hmi9No7At9+d6ccSgYXAJTyYCidKlvh3hkpYY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=R+hGShpQ; 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="R+hGShpQ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 736E4C4CEF4; Fri, 26 Sep 2025 13:05:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1758891922; bh=+drV6HJHMDiVWXsRI1t2fojc5Ew0Gr1Z3BP7jR4SjQA=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=R+hGShpQWYEqjAySfOn5yg/y2FmA7HWRFYY5oGCNKU9UigdPJUx4wzd0v3HBSjca/ zKqf40OKcovmkY8fwgJivElnLItgkr64JU6s7h+dBVwhyeOLozHpKvMUJtr57uKWBX QSg8mrpnTP1hjGiZDYg7j6m6DuGGibEyPRbe4YJ5Ht920XH30LO/EzbeIboJNNyvHO 2KUdu9//DiGV/0UXV4KwYOv73xENzBefMA0fvycw9I81asq1VSRR7KPEXlX8QETzk9 q36ya5/31OB3puSfp6nix25vSSqGwKdqgFWI+EhCUXm+zmXXdn4jWUm+QudLUCpybX fbeH/1PxyCaJQ== Message-ID: <39397920-3dc0-4295-b34d-67a298bf861b@kernel.org> Date: Fri, 26 Sep 2025 09:05:21 -0400 Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [RFC PATCH] fs: Plumb case sensitivity bits into statx To: Jeff Layton , linux-fsdevel@vger.kernel.org, linux-nfs@vger.kernel.org Cc: Chuck Lever , Volker Lendecke References: <20250925151140.57548-1-cel@kernel.org> Content-Language: en-US From: Chuck Lever Organization: kernel.org In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 9/26/25 3:00 AM, Jeff Layton wrote: >> diff --git a/include/uapi/linux/stat.h b/include/uapi/linux/stat.h >> index 1686861aae20..e929b30d64b6 100644 >> --- a/include/uapi/linux/stat.h >> +++ b/include/uapi/linux/stat.h >> @@ -219,6 +219,7 @@ struct statx { >> #define STATX_SUBVOL 0x00008000U /* Want/got stx_subvol */ >> #define STATX_WRITE_ATOMIC 0x00010000U /* Want/got atomic_write_* fields */ >> #define STATX_DIO_READ_ALIGN 0x00020000U /* Want/got dio read alignment info */ >> +#define STATX_CASE_INFO 0x00040000U /* Want/got case folding info */ >> >> > Do you intend to expose this new attribute to userland? If not, then it > should probably snuggle up next to STATX_CHANGE_COOKIE. If so, then you > need to claim a field for it in struct statx, and populate it. As I mentioned in the patch description, exposing to user space can be done as a next step if we decide to pursue this proposal further. Yes, that is something I have in mind. -- Chuck Lever