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=-9.7 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham 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 CEE27C76195 for ; Thu, 18 Jul 2019 12:04:48 +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 9DDDA21019 for ; Thu, 18 Jul 2019 12:04:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="Pvmedts8" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9DDDA21019 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.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: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-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 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 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); -- 2.18.0 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/