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 EE10034A31D; Tue, 26 Aug 2025 13:15:28 +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=1756214130; cv=none; b=N5T16VJ1kTo/kqXnyiQkbVqP1gGh4yCV5eDQsNuvqciHuXSxZuBri/xR8lcnqig472tWL/+Qmju6W7oCKMQMHJeC1IxRgY7njYYBUO7x/OTNhpX5VnhdZCgAtbRFY+hpJbMA3MwYuATwgHFq/7xLagRr3qh2+b1rm+03F5Q4JqM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756214130; c=relaxed/simple; bh=/GF/EE8LSbkG5+vnM2Y9COqE8FiD1Xe9jn2p6rxdpZ4=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=NhS7Xhng62aMLSVC4Q1217sq8HwYZQTQuZv1jwzo6eE17HiM8FqNvPo9iXHVIPTUm4OeUt9pHq87pZvwzns6eAhG9c2l24aTuOxfyTJhtm2F5yyslyT4pcBpO1XRrXxZIe2lAd8yTwHrjuY/ExTKNsB9WsDuLUv3sO1Tx9UuVzs= 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=W3DUy03A; 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="W3DUy03A" 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=wgBlLzPE+bIG9QXx0H4m5iqszn2RpK1T27yebeWsnBE=; b=W3DUy03AvAMTLbFDQRviP/lnDk db1RPwBWBpQX2ng+76PGsqI5uqyj15i7XKq5/P7H4Xtpg0/1JSfBdtKUzrwlxDdOVtLkTR777JuqI OCy+y9clZdX68f/IbLKZx94+rbicQtQ6edhKJwFQB0d6YEEzEDzWA0PkYym+7gYvreKmQK/gkqjPs 8nB2Jwne2dDX+oQonE84tJOVI1CGMOn+dejWAzUm+S6cljSW8lvodPg+Da+nC21O9dDZO05TBC4V0 kj1WaAsL7Nw3EJ8+L1IzImh5+A6dhcVxJRMmxZNUU27j98itAfnNCEyasQO1Wo0p8CTl4kzkp7fF9 TDGj6LWg==; Received: from hch by bombadil.infradead.org with local (Exim 4.98.2 #2 (Red Hat Linux)) id 1uqtWJ-0000000C4Ad-0jgj; Tue, 26 Aug 2025 13:15:27 +0000 Date: Tue, 26 Aug 2025 06:15:27 -0700 From: Christoph Hellwig To: Fengnan Chang Cc: Christoph Hellwig , Ritesh Harjani , Matthew Wilcox , "Darrick J. Wong" , brauner@kernel.org, linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, Jens Axboe , linux-block@vger.kernel.org Subject: Re: [PATCH] iomap: allow iomap using the per-cpu bio cache Message-ID: References: <20250822150550.GP7942@frogsfrogsfrogs> <877byv9w6z.fsf@gmail.com> <874ityad1d.fsf@gmail.com> Precedence: bulk X-Mailing-List: linux-fsdevel@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, Aug 26, 2025 at 05:46:03PM +0800, Fengnan Chang wrote: > > Interesting. This is why the not yet merged ext4 iomap patches I guess? > > Do you see similar numbers with XFS? > Yes, similar numbers with XFS. Can you add the numbers to the next submission of the patch?