Message ID | 20200529025824.32296-16-willy@infradead.org (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <SRS0=ONGt=7L=kvack.org=owner-linux-mm@kernel.org> Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 3ED2A1392 for <patchwork-linux-mm@patchwork.kernel.org>; Fri, 29 May 2020 02:58:46 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 09D192075F for <patchwork-linux-mm@patchwork.kernel.org>; Fri, 29 May 2020 02:58:46 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="Qd/YWzTp" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 09D192075F Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 2DC29800BA; Thu, 28 May 2020 22:58:30 -0400 (EDT) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id 87C7E80010; Thu, 28 May 2020 22:58:29 -0400 (EDT) X-Original-To: int-list-linux-mm@kvack.org X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 4FC0E80010; Thu, 28 May 2020 22:58:29 -0400 (EDT) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0123.hostedemail.com [216.40.44.123]) by kanga.kvack.org (Postfix) with ESMTP id E4CDA80010 for <linux-mm@kvack.org>; Thu, 28 May 2020 22:58:28 -0400 (EDT) Received: from smtpin28.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id 9619A2C78 for <linux-mm@kvack.org>; Fri, 29 May 2020 02:58:28 +0000 (UTC) X-FDA: 76868248296.28.shoe40_fc03fefbd11a Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin28.hostedemail.com (Postfix) with ESMTP id 7B2766C26 for <linux-mm@kvack.org>; Fri, 29 May 2020 02:58:28 +0000 (UTC) X-Spam-Summary: 2,0,0,7eaab83b5eabf2fb,d41d8cd98f00b204,willy@infradead.org,,RULES_HIT:41:355:379:541:800:960:968:973:988:989:1260:1311:1314:1345:1359:1437:1515:1534:1541:1711:1730:1747:1777:1792:2198:2199:2393:2559:2562:3138:3139:3140:3141:3142:3352:3865:3866:3867:3868:3870:3872:4250:4321:5007:6119:6261:6653:7576:8957:10004:11026:11473:11658:11914:12043:12296:12297:12438:12555:12895:12986:13069:13311:13357:13894:14096:14181:14384:14394:14721:21080:21451:21627:21987:30045:30054,0,RBL:198.137.202.133:@infradead.org:.lbl8.mailshell.net-62.8.0.100 64.201.201.201,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:fn,MSBL:0,DNSBL:neutral,Custom_rules:0:0:0,LFtime:28,LUA_SUMMARY:none X-HE-Tag: shoe40_fc03fefbd11a X-Filterd-Recvd-Size: 2930 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) by imf33.hostedemail.com (Postfix) with ESMTP for <linux-mm@kvack.org>; Fri, 29 May 2020 02:58:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender :Reply-To:Content-Type:Content-ID:Content-Description; bh=YKb3NpGTsiuUGhpc+X61UYaJ3Rs5k3/gbVypi/+l+Vk=; b=Qd/YWzTpP/lyUCX/Mc1tVy3C08 n+Zpjb5Jh6UV14RkiERLFn5JhzyGo2VGvztybwOued6PCAp71n6oHv/SLPH2b791Ijl2JOtvks2Xl 9yP+Xsi8euRfYd3NbVsvNs6/cFUsCuHF8ZpdwPVLcz/QkbgW+0sHFH3JImrjpsQO18bC6spiVj8MW dOETWMduENRJyCPPLnZBPwrqdpDfrf/vWe6uYGHwgg++TvgbDvQiJMmtV2Xzx19Lx8v2QeBX5PAio qhCYkepa5RM9hAqcFlBypd54GrCupOh418gcSJyQxQNt7KnAIa77miYcpBk7ofqcmn1DJE0ty/Qgl wGHJoX2g==; Received: from willy by bombadil.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1jeVE3-0008RD-4g; Fri, 29 May 2020 02:58:27 +0000 From: Matthew Wilcox <willy@infradead.org> To: linux-fsdevel@vger.kernel.org Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org>, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: [PATCH v5 15/39] iomap: Support large pages in invalidatepage Date: Thu, 28 May 2020 19:58:00 -0700 Message-Id: <20200529025824.32296-16-willy@infradead.org> X-Mailer: git-send-email 2.21.1 In-Reply-To: <20200529025824.32296-1-willy@infradead.org> References: <20200529025824.32296-1-willy@infradead.org> MIME-Version: 1.0 X-Rspamd-Queue-Id: 7B2766C26 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam04 Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: <linux-mm.kvack.org> |
Series |
Large pages in the page cache
|
expand
|
diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c index 423ffc9d4a97..23eaaf1de906 100644 --- a/fs/iomap/buffered-io.c +++ b/fs/iomap/buffered-io.c @@ -493,17 +493,21 @@ EXPORT_SYMBOL_GPL(iomap_releasepage); void iomap_invalidatepage(struct page *page, unsigned int offset, unsigned int len) { + bool full_page = (offset == 0) && (len == thp_size(page)); trace_iomap_invalidatepage(page->mapping->host, offset, len); /* * If we are invalidating the entire page, clear the dirty state from it * and release it to avoid unnecessary buildup of the LRU. */ - if (offset == 0 && len == PAGE_SIZE) { + if (full_page) { WARN_ON_ONCE(PageWriteback(page)); cancel_dirty_page(page); - iomap_page_release(page); } + + /* Punching a hole in a THP requires releasing the iop */ + if (full_page || thp_order(page) > 0) + iomap_page_release(page); } EXPORT_SYMBOL_GPL(iomap_invalidatepage);