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=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,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 6247BC433ED for ; Wed, 7 Apr 2021 20:22:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2DD416120E for ; Wed, 7 Apr 2021 20:22:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1349387AbhDGUWd (ORCPT ); Wed, 7 Apr 2021 16:22:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41240 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1346468AbhDGUWb (ORCPT ); Wed, 7 Apr 2021 16:22:31 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 765BFC061760 for ; Wed, 7 Apr 2021 13:22:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.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=XJxjfpul1eNxNF+Mg0qXY4/QaDjRzgcozOLBBq/JMQ4=; b=NO1wZ0ng5My0UXMRmUZrF8qp3n XO3eIXlt3SgrgG0tN439rwnAiZRcmWD7d/UWEIxhzGip3u8E7uqX33r9Lc1mrx5L0/WPQOM3A73cA MPJta7+bnaD4cpnp9ldr/WBGoDlJh9VJTUJzuyy+t/2U4A9RpOkLlcjLBVFQuDWBVBuDRuzJ5FjUq w4LF0zpoe1zrwRSuJl942Em0rPpX7Llbjhsiz6Whnis5+FsTHEdc6Vn2NvE3jjS97qZ3ocq4MXBap 4+iqojW/Plgc26kzypQRN4eqtR5q08SLsLqFGB0ahcxXrv1UfWpaasN4Hnydvwt2Y2xjFrItp+NqL wWnNSGvw==; Received: from willy by casper.infradead.org with local (Exim 4.94 #2 (Red Hat Linux)) id 1lUEfF-00F2CM-5b; Wed, 07 Apr 2021 20:20:53 +0000 From: "Matthew Wilcox (Oracle)" To: David Howells Cc: "Matthew Wilcox (Oracle)" , linux-fsdevel@vger.kernel.org Subject: [PATCH 3/3] mm/readahead: Adjust file_ra in readahead_expand Date: Wed, 7 Apr 2021 21:18:57 +0100 Message-Id: <20210407201857.3582797-4-willy@infradead.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210407201857.3582797-1-willy@infradead.org> References: <20210407201857.3582797-1-willy@infradead.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org If we grow the readahead window, we should tell the ondemand algorithm that we've grown it, so that the next readahead starts at the right place. Signed-off-by: Matthew Wilcox (Oracle) --- mm/readahead.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/mm/readahead.c b/mm/readahead.c index e115b1174981..65215c48f25c 100644 --- a/mm/readahead.c +++ b/mm/readahead.c @@ -661,6 +661,7 @@ void readahead_expand(struct readahead_control *ractl, loff_t new_start, size_t new_len) { struct address_space *mapping = ractl->mapping; + struct file_ra_state *ra = ractl->ra; pgoff_t new_index, new_nr_pages; gfp_t gfp_mask = readahead_gfp_mask(mapping); @@ -705,6 +706,8 @@ void readahead_expand(struct readahead_control *ractl, return; } ractl->_nr_pages++; + ra->size++; + ra->async_size++; } } EXPORT_SYMBOL(readahead_expand); -- 2.30.2