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 X-Spam-Level: X-Spam-Status: No, score=-0.7 required=3.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED,DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id F3611C76195 for ; Sun, 21 Jul 2019 20:16:33 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id CE9792147A for ; Sun, 21 Jul 2019 20:16:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="FzlJiD7W"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="ajmWzmJ2" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CE9792147A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:To:Subject:Message-ID:Date:From: In-Reply-To:References:MIME-Version:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=WrXTTOvRVGwQqws52dS9yGalMzo22GuOPVvdj0vM4QQ=; b=FzlJiD7WGRw0s/ LOigiVOwyGCGJo46eTkj/DI9POL8lLCbeg0hNHbDDS+eZdGQb+M2Hoon8QNDGBTiWwHf7gLn+P7ZS oCeHrUa+lyH1N7Os8GQOssWNgZzRFJTSCUkAuaOuuqQ0G9xBIh3phk0WiXO/5uqyhCac8b32j/eOp JidpN72fE/F/m0OkONFYJoh9LmuFtLsbQIuQ85SOuk/fJqzeQEhprfjN+9kvfAsYypFZKOuR3m57r 56thC8EVArqZUl87P9SiDotRRoXtvXVMLQ+F1l/rXIMVBSyBS4Ci0Lb+VKRH7gtxEGHwops6BhGTt bciih91XEVgpO4dyakwA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hpIFi-0005Jv-Sn; Sun, 21 Jul 2019 20:16:14 +0000 Received: from mail-wm1-x341.google.com ([2a00:1450:4864:20::341]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1hpIFf-0005JH-9I; Sun, 21 Jul 2019 20:16:13 +0000 Received: by mail-wm1-x341.google.com with SMTP id s3so33176235wms.2; Sun, 21 Jul 2019 13:16:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=5mQURU8XMwBF9h8OyYB1FlQtcwcpgbnQ5NpLm9894DM=; b=ajmWzmJ2BZN67FkDAqc/2VVH+HZwyx7YqJkrdYmLSAR+31FdDgla9oyBcD5z0NdIaf oXJ7ojT34P5AXnhnJqqtZq/Rth8ClcZyN+fcUzozo3C4Wnz2+mDDdOfw5ls4licNsrFm anH1ywRXm/kz3Zz5WAfEgL388SZtjqvIJzo+y3Q7BzTzA+OLVQFXZgL31OseO3hnY3cU f8qJWMFKVdH057pZkcFxYwzGvTFiIJNWKcRaVU/Hn+z1eQcTXltLSyRZW6Yi3/j1ReJn z16QxpItA85gY9BxRpKp5RgNHG9XpJTDC4rV/ejUHNezCm7S0UuHZW5awX9wrifhaCGy TbBA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=5mQURU8XMwBF9h8OyYB1FlQtcwcpgbnQ5NpLm9894DM=; b=pqzd5BQBdLglw4dxey6/OinUSSRV2Yuux6JcPBcgIy9kjt98r2l7jBPXgV9r+c97iS /hPZOY/Pwpkb5dmSLdnZm8N9nqrLJhXo780hujPM2hNsu+33U6BhUv7eSRFTtapdJBDW zZDXZRGOnq6P5f3QMy9wtCKaqTI89lkOBBssVBsSGlZJsfr7p5KaY3/onzXVSzM5MSwR jjrzKtg28Kpap5q4/U4Lgw8ox9l5NIO+rle4T++4XRNbDSKKQq2AfhJrTQfrq7ZcO542 TEA0sFzmNRUiebzICjECO4O3UP4NqkAnP6R1VoaMw+r39XMbsvLFnEEmznh81mD9dfgT uQ3A== X-Gm-Message-State: APjAAAVCFzG5jJ9esrNyYwct/icXLb1qBoctNgC9p7T7INZHUEGOHKMf KTnBUZU51ZqDa0jYuaVRfM1nKMALnx2x65mK3go= X-Google-Smtp-Source: APXvYqzU1ipDd7z11gYlgbmMIrcaaVPCBINgAjXEUbNhWnpzSlGLMdHtlVTzwYZLvYGsn7Wr+rXtxlWkSm9DOzIIv5k= X-Received: by 2002:a1c:1f41:: with SMTP id f62mr61089998wmf.176.1563740166737; Sun, 21 Jul 2019 13:16:06 -0700 (PDT) MIME-Version: 1.0 References: <1563451437-15725-1-git-send-email-stanley.chu@mediatek.com> In-Reply-To: <1563451437-15725-1-git-send-email-stanley.chu@mediatek.com> From: Richard Weinberger Date: Sun, 21 Jul 2019 22:15:55 +0200 Message-ID: Subject: Re: [PATCH v1] ubifs: support page statistics in vmstat To: Stanley Chu X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190721_131611_350994_CADF4AF6 X-CRM114-Status: UNSURE ( 9.46 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linger.lee@mediatek.com, Artem Bityutskiy , Richard Weinberger , kuohong.wang@mediatek.com, Adrian Hunter , linux-mtd@lists.infradead.org, chienwei.chang@mediatek.com, matthias.bgg@gmail.com, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org On Thu, Jul 18, 2019 at 2:04 PM Stanley Chu wrote: > > Currently PGPGIN and PGPGOUT statistics in vmstat is only > hooked in submit_bio() for block device I/O path. > > This patch adds this feature for ubifs as well. While I think updating these counter for raw flash makes sense, I wonder whether UBIFS is the right layer. Why not directly in MTD or at least UBI? -- Thanks, //richard ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/