From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf0-f198.google.com (mail-pf0-f198.google.com [209.85.192.198]) by kanga.kvack.org (Postfix) with ESMTP id BD2DB6B026A for ; Wed, 27 Sep 2017 12:03:59 -0400 (EDT) Received: by mail-pf0-f198.google.com with SMTP id y29so23943221pff.6 for ; Wed, 27 Sep 2017 09:03:59 -0700 (PDT) Received: from mx1.suse.de (mx2.suse.de. [195.135.220.15]) by mx.google.com with ESMTPS id v3si7782850plb.576.2017.09.27.09.03.58 for (version=TLS1 cipher=AES128-SHA bits=128/128); Wed, 27 Sep 2017 09:03:58 -0700 (PDT) From: Jan Kara Subject: [PATCH 07/15] f2fs: Use find_get_pages_tag() for looking up single page Date: Wed, 27 Sep 2017 18:03:26 +0200 Message-Id: <20170927160334.29513-8-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 , Jaegeuk Kim , linux-f2fs-devel@lists.sourceforge.net __get_first_dirty_index() wants to lookup only the first dirty page after given index. There's no point in using pagevec_lookup_tag() for that. Just use find_get_pages_tag() directly. CC: Jaegeuk Kim CC: linux-f2fs-devel@lists.sourceforge.net Reviewed-by: Chao Yu Signed-off-by: Jan Kara --- fs/f2fs/file.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 517e112c8a9a..f78b76ec4707 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -313,18 +313,19 @@ int f2fs_sync_file(struct file *file, loff_t start, loff_t end, int datasync) static pgoff_t __get_first_dirty_index(struct address_space *mapping, pgoff_t pgofs, int whence) { - struct pagevec pvec; + struct page *page; int nr_pages; if (whence != SEEK_DATA) return 0; /* find first dirty page index */ - pagevec_init(&pvec, 0); - nr_pages = pagevec_lookup_tag(&pvec, mapping, &pgofs, - PAGECACHE_TAG_DIRTY, 1); - pgofs = nr_pages ? pvec.pages[0]->index : ULONG_MAX; - pagevec_release(&pvec); + nr_pages = find_get_pages_tag(mapping, &pgofs, PAGECACHE_TAG_DIRTY, + 1, &page); + if (!nr_pages) + return ULONG_MAX; + pgofs = page->index; + put_page(page); return pgofs; } -- 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