From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf0-f197.google.com (mail-pf0-f197.google.com [209.85.192.197]) by kanga.kvack.org (Postfix) with ESMTP id BABF16B0275 for ; Wed, 27 Sep 2017 12:04:06 -0400 (EDT) Received: by mail-pf0-f197.google.com with SMTP id x78so23936112pff.7 for ; Wed, 27 Sep 2017 09:04:06 -0700 (PDT) Received: from mx1.suse.de (mx2.suse.de. [195.135.220.15]) by mx.google.com with ESMTPS id x26si7912304pgc.683.2017.09.27.09.03.58 for (version=TLS1 cipher=AES128-SHA bits=128/128); Wed, 27 Sep 2017 09:03:58 -0700 (PDT) From: Jan Kara Subject: [PATCH 10/15] mm: Use pagevec_lookup_range_tag() in __filemap_fdatawait_range() Date: Wed, 27 Sep 2017 18:03:29 +0200 Message-Id: <20170927160334.29513-11-jack@suse.cz> In-Reply-To: <20170927160334.29513-1-jack@suse.cz> References: <20170927160334.29513-1-jack@suse.cz> Sender: owner-linux-mm@kvack.org List-ID: To: Andrew Morton Cc: linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, Jan Kara Use pagevec_lookup_range_tag() in __filemap_fdatawait_range() as it is interested only in pages from given range. Remove unnecessary code resulting from this. Signed-off-by: Jan Kara --- mm/filemap.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) diff --git a/mm/filemap.c b/mm/filemap.c index fe20329c83cd..479fc54b7cd1 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -421,18 +421,13 @@ static void __filemap_fdatawait_range(struct address_space *mapping, pagevec_init(&pvec, 0); while ((index <= end) && - (nr_pages = pagevec_lookup_tag(&pvec, mapping, &index, - PAGECACHE_TAG_WRITEBACK, - min(end - index, (pgoff_t)PAGEVEC_SIZE-1) + 1)) != 0) { + (nr_pages = pagevec_lookup_range_tag(&pvec, mapping, + &index, end, PAGECACHE_TAG_WRITEBACK, PAGEVEC_SIZE))) { unsigned i; for (i = 0; i < nr_pages; i++) { struct page *page = pvec.pages[i]; - /* until radix tree lookup accepts end_index */ - if (page->index > end) - continue; - wait_on_page_writeback(page); ClearPageError(page); } -- 2.12.3 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org