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 C4C6D322B for ; Fri, 26 May 2023 08:28:14 +0000 (UTC) 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=LPzCO3xWGBowU0ajceftsmznXkRp49QJy/R8CAeiRrA=; b=KAYxWBGAXtX8I8UbNVp2o6Apkb 5LAlO3sf49+TG2wkCiVj5kvZS/Jo6XJSWrWQWq2U6gvd4vCiFERk6fznQF57bxEU4dh7ovUdTgaIn D1srjQKEhBQBhr4aaWwlO4S89I8dSC/bXwwOOzo6RVAy6kQ6MaXRBF+0p2q0JIdjf+dCkFsKWtzq+ 2jA258+4q9weUDmSKZOD69ywTogpa8dI5bKu90L7i3xE/tsn9nrZchmSMA/ua4a7YAwd6KfLnd/nA 6vKzRBeKwBw76LtypA6Z/IJS4XGErN3BiUlLB5ibLI9YMSSOSUvdjAu1n1XrWol66ulCihd6slXnL q3Ym63jw==; Received: from hch by bombadil.infradead.org with local (Exim 4.96 #2 (Red Hat Linux)) id 1q2Snr-001bdJ-1t; Fri, 26 May 2023 08:28:03 +0000 Date: Fri, 26 May 2023 01:28:03 -0700 From: Christoph Hellwig To: Luis Chamberlain Cc: Christoph Hellwig , hughd@google.com, akpm@linux-foundation.org, willy@infradead.org, brauner@kernel.org, djwong@kernel.org, p.raghav@samsung.com, da.gomez@samsung.com, rohan.puri@samsung.com, rpuri.linux@gmail.com, a.manzanares@samsung.com, dave@stgolabs.net, yosryahmed@google.com, keescook@chromium.org, hare@suse.de, kbusch@kernel.org, patches@lists.linux.dev, linux-block@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [RFC v2 0/8] add support for blocksize > PAGE_SIZE Message-ID: References: <20230526075552.363524-1-mcgrof@kernel.org> Precedence: bulk X-Mailing-List: patches@lists.linux.dev 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 Fri, May 26, 2023 at 01:18:19AM -0700, Luis Chamberlain wrote: > On Fri, May 26, 2023 at 01:14:55AM -0700, Christoph Hellwig wrote: > > On Fri, May 26, 2023 at 12:55:44AM -0700, Luis Chamberlain wrote: > > > This is an initial attempt to add support for block size > PAGE_SIZE for tmpfs. > > > > The concept of a block size doesn't make any sense for tmpfs. What > > are you actually trying to do here? > > More of helping to test high order folios for tmpfs. Swap for instance > would be one thing we could use to test. I'm still not sure where the concept of a block size would come in here.