From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 673641D417B; Tue, 19 Nov 2024 17:27:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.137.202.133 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732037271; cv=none; b=YP+YBIHNVnzJszKs5CZ2hJvm3Y3Qw3lL6ml6sP+cPhT6ZohZ3oJOL3Y6imJ6fl4/SzMEZ/sTG+KOoOPoNhvgLiWGDtuiOWGNGhKrYGD7tvo/tr55dO0bJeLkN9OOvmd1vK9ejAMt3qdK+H7IhOF+ESfuS1GmbOobPKoqVif+PLI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732037271; c=relaxed/simple; bh=0Ua1U+0mkSGBw1rjVXE82HHLs/omPUwMVGtC0fSMRaw=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=T111LvGr92QVC0Sj/6P4/lRv1mNZ6riKI4GI/XEpyCyQPhKpS+28rX6CTID2ut2j8lP3qE55XOo1QpCwZ8Wacm6Np8+ONW+eg0Lp194sj6KLGn/0skAPvf7vodD/m5+u4NBgVQ2SUzbc5pvX4jGG7+N+iukUnXvi5Tts/OEizw0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=1lbeCtMl; arc=none smtp.client-ip=198.137.202.133 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="1lbeCtMl" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=CFZrYTXphcS3wMV/SPN5+lHC5syvqQD1NtobLQyDd1Q=; b=1lbeCtMlVttCXvtfL8ukHS251g 5ij0mBhhTWV3LmPOvFWCQWgNNPvqAsLYc5APaXCiJYU16rHv6HoDmy0NcYVLqVcWR3cQHpvREpY65 +Hg8EmcNSMtZnjLzfWSYkoPsAQDX9sc0eFUZPWJBLYb6Z4cl+pzd9CrsfXueuB/phxzeKGPDVqr99 VTqeyFdvLFj4ppCkIrLqm1wmp8o4ynh2BApyKR1eT22MU5z2QFnKtzvL7nVtofkj3nEQKOVIXMjct OMBSyrV113MLJCoWAkSTrgt5GIlClkd19FBKRS9/ckDgCWe5xaVDUp0q8vJtiBgN8YfcDYcniNeTO 2ajDS29w==; Received: from hch by bombadil.infradead.org with local (Exim 4.98 #2 (Red Hat Linux)) id 1tDS0z-0000000DDD7-0Ah8; Tue, 19 Nov 2024 17:27:49 +0000 Date: Tue, 19 Nov 2024 09:27:49 -0800 From: Christoph Hellwig To: Alexey Dobriyan Cc: Christoph Hellwig , Jens Axboe , linux-block@vger.kernel.org, linux-api@vger.kernel.org Subject: Re: [PATCH] uapi: add EROBLK Message-ID: References: <9184b5e8-7070-4395-b179-4975b2e3fbc3@p183> Precedence: bulk X-Mailing-List: linux-block@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: X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html On Tue, Nov 19, 2024 at 08:20:33PM +0300, Alexey Dobriyan wrote: > > And where would you return this value without breaking existing > > userspace? > > New code may start returning it right away. > > Old code may start checking for both and in ~100 years delete EROFS > clause. In other word it's all hypothetical, you have no actual users in mind and no ral problem to solve?