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: 11048867 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id A1102746 for ; Thu, 18 Jul 2019 12:04:14 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8A73722B1F for ; Thu, 18 Jul 2019 12:04:14 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 79905287D4; Thu, 18 Jul 2019 12:04:14 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id B567922B1F for ; Thu, 18 Jul 2019 12:04:13 +0000 (UTC) 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=GMTf2nspw25HnVVI3xHEVXWkC2sZgJ0FNH8oRVOU12I=; b=UZQlpa36fYjRrq XCpJg26geKPNLmpsiSHVk1fhL1L+bWNfGY48cO6ACtasS6z9v8Tm8wmObhazsMGDnStds8FPe/EfP gjbwfFyf6cmECKXwNRMHve5by89c/i6aXeo6NQiu8vqMGgwftgY8DEyblz7qSo53LQa0yH3i6fo4M thvxRqTt1lNt6Uqo9WZl9xHqQYyhZirdnNZk6wHq8FFcgjM6YyGebTzhG1bTIHeBBMnlON7Cz1QbE VLXGFtCz49JUyJM/DC20jnUYpfsYxUjifSltVeMnALQOhnluQ1e2VIFLFE917vL9VzdeA2iNKj94n 5cHLjVii3ohrX7I2RWRQ==; 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 1ho58u-0006Rk-KU; Thu, 18 Jul 2019 12:04:12 +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-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: 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-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP 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);