From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.sourceforge.net (lists.sourceforge.net [216.105.38.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 39D1CCFC29B for ; Fri, 21 Nov 2025 18:03:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.sourceforge.net; s=beta; h=Content-Transfer-Encoding:Content-Type:Cc: Reply-To:From:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:Subject:In-Reply-To:MIME-Version:References: Message-ID:To:Date:Sender:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=ZPipjxQTtse9UTyyt5R1dMnKJBLq//o+XCeg3rObY/w=; b=AIhZYFI+LVI5EhthtQRCTwxJnD U/SnGai8kudtdCiVTotk0naxqaSAZTvl4100GlRIvCxrODm9k3unTVnt1+Ps2XqtHTltlIiU3qKG3 iUyxnX9e1FjKJx9BqWJOBuq3pRGJxxYFIB0+ixxwv1zAuWan1YeFK2xYErhCWxrBHXJI=; Received: from [127.0.0.1] (helo=sfs-ml-4.v29.lw.sourceforge.com) by sfs-ml-4.v29.lw.sourceforge.com with esmtp (Exim 4.95) (envelope-from ) id 1vMVU9-0002dP-CZ; Fri, 21 Nov 2025 18:03:53 +0000 Received: from [172.30.29.66] (helo=mx.sourceforge.net) by sfs-ml-4.v29.lw.sourceforge.com with esmtps (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.95) (envelope-from ) id 1vMVU8-0002dJ-H3 for linux-f2fs-devel@lists.sourceforge.net; Fri, 21 Nov 2025 18:03:52 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sourceforge.net; s=x; 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:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=HxseVhaWZ3YHIjgh3aRLKgUT5RqEhdtZjO7vZVJ+nMc=; b=ZQ7y6lyCxX1eVIVWOWML9mpx2L Kee2wYaOdgu5zPwf+3aKjaxhhGMVlnmyrALR4MeZUNYAv5auq230U7yyEk7emVAfk8MYXXi32cFQq 56BVthKILdAYPPCjv+pe6YJPI6ehWcpu2jJBjW1b4lqBlq2rMEwCW+lz5YHy1ZmH0gZY=; DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sf.net; s=x ; 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:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=HxseVhaWZ3YHIjgh3aRLKgUT5RqEhdtZjO7vZVJ+nMc=; b=WfIbUEWaIRhxKxe04/KQ9BxKrD /5GkVvs5UWf1QmFMXTV8PizpGi85vbkv/7aXo1Tns2jWaCX46ezqaptZsSw1cWGGBCpntVzZhrtTJ 5H9JF6/EvNKuDk0yHz/8cFXpvBQ+A4e/7CdPWr0W4702oMA+bhEID86ajeZbv2tKyiM4=; Received: from tor.source.kernel.org ([172.105.4.254]) by sfi-mx-2.v28.lw.sourceforge.com with esmtps (TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.95) id 1vMVU8-0007v1-31 for linux-f2fs-devel@lists.sourceforge.net; Fri, 21 Nov 2025 18:03:52 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 62F8260139; Fri, 21 Nov 2025 18:03:46 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E3109C4CEF1; Fri, 21 Nov 2025 18:03:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1763748226; bh=2KHDvGRFx1nvx1KKxzOyRySXNWpSsia1GYIFIFRFikY=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=q5UsYSw4M1gb0s6Ql3jFMq3QnL/p8LDGHG7NTwaiSd8vvD/itXu7rdTcIyIKpguQM bGxsPYOkrCI+c07Mi/mLFHy+Nad5/G58f6t5DIrEBfz3JtRIq/omY1qNzyItoeYH5t OimlBg+85ynwWIZBtgak9mLmYWfV9oYhFlVRNZPiS8AiCk7UbE1i5PiIz30NRdXrgZ bg1DTJ4ZVDKpCjyImphse5QZSgUec6d6j1+8TARN8B6A6Aaxq7jW6RuEpZkGGUC0Rn Io7bJpa3XYUGcII/bw5LnS58bpBcMo1KgA2LjtI2FGT7gsfNLad61D03swBkNAWoyI IbXsUcQjG1+tQ== Date: Fri, 21 Nov 2025 18:03:44 +0000 To: Matthew Wilcox Message-ID: References: <20251121014811.1971698-1-jaegeuk@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-Headers-End: 1vMVU8-0007v1-31 Subject: Re: [f2fs-dev] [PATCH] mm/readahead: add a desired folio order for readhead X-BeenThere: linux-f2fs-devel@lists.sourceforge.net X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Jaegeuk Kim via Linux-f2fs-devel Reply-To: Jaegeuk Kim Cc: David Hildenbrand , linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net On 11/21, Matthew Wilcox wrote: > On Fri, Nov 21, 2025 at 01:48:11AM +0000, Jaegeuk Kim wrote: > > This patch adds a desired folio order in file_ra_state in order to get > > non-zero-order allocation for readahead. > > Why? Does it not ramp up quickly enough for you? > > I see a lot of patches from you that say what the patch does but very > little about why. Please explain yourself more. Yeah, let me revisit the patches and post another version that uplifts code into mm/fs with what I'm trying to address. _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel 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 6F8C63538B3 for ; Fri, 21 Nov 2025 18:03:46 +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=1763748226; cv=none; b=buYJtx3hmkO0wDwbiX87rYJzihLk/V9WGbStPobvTJFDMgOi7hhBXtmmPaq/xhdvaxHeZQkwmXzD5w8jwXcWQe9x4HZ4KwuWkxpKkne18DlqdXNCORkIQ53IG+d8KeNq3s2qocrKDeKfbj4+HhtLpWbMqtknSnKJtDqWT0PbWz8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763748226; c=relaxed/simple; bh=2KHDvGRFx1nvx1KKxzOyRySXNWpSsia1GYIFIFRFikY=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=ev5m4uT8HlQ168qrHheuhTQKtLoOfrg5J7nXeWemO7naZZydSp9h0tRP0rncIaWzmro33MZu3TNsLErsCFR7viHQ3k4BHluhOnMyiWIH0y/3sqHahGoRkxJtFVAhpeDZFgvcjk7gzaTboZMjEHtQeNI6Wt+Y9s9r/kBtnN05X+Y= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=q5UsYSw4; 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="q5UsYSw4" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E3109C4CEF1; Fri, 21 Nov 2025 18:03:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1763748226; bh=2KHDvGRFx1nvx1KKxzOyRySXNWpSsia1GYIFIFRFikY=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=q5UsYSw4M1gb0s6Ql3jFMq3QnL/p8LDGHG7NTwaiSd8vvD/itXu7rdTcIyIKpguQM bGxsPYOkrCI+c07Mi/mLFHy+Nad5/G58f6t5DIrEBfz3JtRIq/omY1qNzyItoeYH5t OimlBg+85ynwWIZBtgak9mLmYWfV9oYhFlVRNZPiS8AiCk7UbE1i5PiIz30NRdXrgZ bg1DTJ4ZVDKpCjyImphse5QZSgUec6d6j1+8TARN8B6A6Aaxq7jW6RuEpZkGGUC0Rn Io7bJpa3XYUGcII/bw5LnS58bpBcMo1KgA2LjtI2FGT7gsfNLad61D03swBkNAWoyI IbXsUcQjG1+tQ== Date: Fri, 21 Nov 2025 18:03:44 +0000 From: Jaegeuk Kim To: Matthew Wilcox Cc: linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, David Hildenbrand Subject: Re: [PATCH] mm/readahead: add a desired folio order for readhead Message-ID: References: <20251121014811.1971698-1-jaegeuk@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@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: On 11/21, Matthew Wilcox wrote: > On Fri, Nov 21, 2025 at 01:48:11AM +0000, Jaegeuk Kim wrote: > > This patch adds a desired folio order in file_ra_state in order to get > > non-zero-order allocation for readahead. > > Why? Does it not ramp up quickly enough for you? > > I see a lot of patches from you that say what the patch does but very > little about why. Please explain yourself more. Yeah, let me revisit the patches and post another version that uplifts code into mm/fs with what I'm trying to address.