From patchwork Thu Jul 18 12:03:57 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stanley Chu X-Patchwork-Id: 1133706 X-Patchwork-Delegate: richard@nod.at Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=lists.infradead.org (client-ip=2607:7c80:54:e::133; helo=bombadil.infradead.org; envelope-from=linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="Pvmedts8"; dkim-atps=neutral Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 45qCVr6ysBz9sBF for ; Thu, 18 Jul 2019 22:04:51 +1000 (AEST) 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:MIME-Version:Message-ID:Date:Subject:To :From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=UlHpfceIn7oO8YxRdVSCapHkStuhsYIE/Doi6hLa68U=; b=Pvmedts8JpeqtD rvDP1u2S/ClmyDnaHlJ7rh6g/pPtDsMeqDBZT4dG8WPwcY2VqIjga1Eu5+vuTDRkC6UqATYvXT9sc R6fJ8Yzx6Kid4nvUBn1Auc30t28Ye0MuqEj38vtO8rxtD/bkgt1srH39A7PCHTthlRTeOom8/qln7 SgxeSbT89WWamVMVbDtmPmrEbzJiLlBs0kAgWDdXspIftMY1R/3ggNag4RMJCYfKzV5ETXuTY3Kgv Ku+MZzjNRC1zKfgvxZAsn1J0tRtXCL83uiyCeMsWeO9qX8IJZmerZ1Z8IoRx4LEGkDwUiQvzfI0zw 6GdTU6Y6pVE1oWzHwvcA==; 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 1ho59B-0006oQ-Ig; Thu, 18 Jul 2019 12:04:29 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1ho58s-0006PM-0H; Thu, 18 Jul 2019 12:04:11 +0000 X-UUID: 2f930c8223874ea796a9503796136922-20190718 X-UUID: 2f930c8223874ea796a9503796136922-20190718 Received: from mtkcas68.mediatek.inc [(172.29.94.19)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 2007695564; Thu, 18 Jul 2019 04:04:03 -0800 Received: from MTKMBS01N1.mediatek.inc (172.21.101.68) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Thu, 18 Jul 2019 05:04:02 -0700 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs01n1.mediatek.inc (172.21.101.68) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Thu, 18 Jul 2019 20:04:00 +0800 Received: from mtkswgap22.mediatek.inc (172.21.77.33) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Thu, 18 Jul 2019 20:04:00 +0800 From: Stanley Chu To: , , , , Subject: [PATCH v1] ubifs: support page statistics in vmstat Date: Thu, 18 Jul 2019 20:03:57 +0800 Message-ID: <1563451437-15725-1-git-send-email-stanley.chu@mediatek.com> X-Mailer: git-send-email 1.7.9.5 MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190718_050410_051975_A4BBBE1E X-CRM114-Status: UNSURE ( 6.36 ) X-CRM114-Notice: Please train this message. X-Spam-Score: 0.0 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines 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, chienwei.chang@mediatek.com, kuohong.wang@mediatek.com, linux-mediatek@lists.infradead.org, Stanley Chu , linux-arm-kernel@lists.infradead.org Sender: "linux-mtd" Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org 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. Change-Id: I8505bd2a7aa9eadc6abcd68b7d8b870752e71339 Signed-off-by: Stanley Chu --- fs/ubifs/file.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c index 512e7d9c60cd..ffe7ce77f389 100644 --- a/fs/ubifs/file.c +++ b/fs/ubifs/file.c @@ -902,6 +902,8 @@ static int ubifs_bulk_read(struct page *page) static int ubifs_readpage(struct file *file, struct page *page) { + count_vm_events(PGPGIN, PAGE_CACHE_SIZE >> 9); + if (ubifs_bulk_read(page)) return 0; do_readpage(page); @@ -1032,6 +1034,8 @@ static int ubifs_writepage(struct page *page, struct writeback_control *wbc) goto out_unlock; } + count_vm_events(PGPGOUT, PAGE_CACHE_SIZE >> 9); + spin_lock(&ui->ui_lock); synced_i_size = ui->synced_i_size; spin_unlock(&ui->ui_lock);