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 78C4A4F896 for ; Tue, 19 Mar 2024 21:32:04 +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=1710883925; cv=none; b=r5lXyuHZB8pxNRRsRLpQoDz+KAmX9zKTE0PtbbPY8mr29qKwnbCdvnR548i1FiubYshl3mGQilVELo2t+xi/cwdVZmGCXp7yZ6KOfSzidFm0s4OqDmlTfxNHKU1wpphSEK4lMliUC9vFsatk+QEBZ3j0ORqRWqBcY2Ni+a4iYaY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710883925; c=relaxed/simple; bh=z40jZnZahVwqQ1IIxU9YWrLIyS+y6FzcW/rLsE10fRo=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=OEKbEWgj1J7XuKdbYl1AuBtztpOxpI0LsYuFDAThKK/w6GkUeUoNPLC+1yiSltTuNsXjsXKbtzsq48L/Cc2ZlDzIyeQxzQE4spBtQsbo/FKysWvDo0at74yIeOXl/x/PLJbCJ6jCvevFHL7a4QHi1p2drL6tMp6Xp7laaxzLWy4= 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=HTjZNlyd; 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="HTjZNlyd" 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=z40jZnZahVwqQ1IIxU9YWrLIyS+y6FzcW/rLsE10fRo=; b=HTjZNlydWgce86hSmDO6gWfWkV 2PHYzVMjw/PoV7/RxisM+x4Mh+LuBQo2Bk6oc+7hbA7bsdU/Dh0borScjyij1phCiEQgv/FWwJv4P 4CgKkrwCW6Gz0YMhZd0s0kn4fTp0TL/KTn4Il8Hxk0lQ+En6rZvInnSDf81GGDVdxwh5/1H7bM2gj fmvxbrfFXH/LVIRnDC12+Z/Lc/uVggqISZb4vrZdF6BUNzCt+hCwwn/vOCu5CYqs+GA/cjA9YhUWU gaj9FVDZC3m7isXgQ9Fn+Q/7CWBB7UKXf9B4lYrXrhZELfSJSN16tDggE9qwF0xUXZ5RzZBNdDT5o b491SK0Q==; Received: from hch by bombadil.infradead.org with local (Exim 4.97.1 #2 (Red Hat Linux)) id 1rmh40-0000000EItQ-0FqS; Tue, 19 Mar 2024 21:32:04 +0000 Date: Tue, 19 Mar 2024 14:32:04 -0700 From: Christoph Hellwig To: "Darrick J. Wong" Cc: Dave Chinner , linux-xfs@vger.kernel.org Subject: Re: [PATCH 3/9] xfs: convert buffer cache to use high order folios Message-ID: References: <20240318224715.3367463-1-david@fromorbit.com> <20240318224715.3367463-4-david@fromorbit.com> <20240319172909.GP1927156@frogsfrogsfrogs> Precedence: bulk X-Mailing-List: linux-xfs@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: <20240319172909.GP1927156@frogsfrogsfrogs> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html On Tue, Mar 19, 2024 at 10:29:09AM -0700, Darrick J. Wong wrote: > So.... does that mean a 128K folio for a 68k xattr remote value buffer? I though 64k was the maximum xattr size? > I've been noticing the 4k merkle tree blobs consume 2 fsb in the xattr > tree, which isn't awesome. Maybe that's a question for the fsverity thread, but how do we end up with these weird sizes?