From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf0-f200.google.com (mail-pf0-f200.google.com [209.85.192.200]) by kanga.kvack.org (Postfix) with ESMTP id 2BC486B026F for ; Wed, 27 Sep 2017 12:04:01 -0400 (EDT) Received: by mail-pf0-f200.google.com with SMTP id y77so23988794pfd.2 for ; Wed, 27 Sep 2017 09:04:01 -0700 (PDT) Received: from mx1.suse.de (mx2.suse.de. [195.135.220.15]) by mx.google.com with ESMTPS id w12si7647513pld.831.2017.09.27.09.03.59 for (version=TLS1 cipher=AES128-SHA bits=128/128); Wed, 27 Sep 2017 09:04:00 -0700 (PDT) From: Jan Kara Subject: [PATCH 09/15] nilfs2: Use pagevec_lookup_range_tag() Date: Wed, 27 Sep 2017 18:03:28 +0200 Message-Id: <20170927160334.29513-10-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 , Ryusuke Konishi , linux-nilfs@vger.kernel.org We want only pages from given range in nilfs_lookup_dirty_data_buffers(). Use pagevec_lookup_range_tag() instead of pagevec_lookup_tag() and remove unnecessary code. CC: Ryusuke Konishi CC: linux-nilfs@vger.kernel.org Signed-off-by: Jan Kara --- fs/nilfs2/segment.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c index 70ded52dc1dd..68e5769cef3b 100644 --- a/fs/nilfs2/segment.c +++ b/fs/nilfs2/segment.c @@ -711,18 +711,14 @@ static size_t nilfs_lookup_dirty_data_buffers(struct inode *inode, pagevec_init(&pvec, 0); repeat: if (unlikely(index > last) || - !pagevec_lookup_tag(&pvec, mapping, &index, PAGECACHE_TAG_DIRTY, - min_t(pgoff_t, last - index, - PAGEVEC_SIZE - 1) + 1)) + !pagevec_lookup_range_tag(&pvec, mapping, &index, last, + PAGECACHE_TAG_DIRTY, PAGEVEC_SIZE)) return ndirties; for (i = 0; i < pagevec_count(&pvec); i++) { struct buffer_head *bh, *head; struct page *page = pvec.pages[i]; - if (unlikely(page->index > last)) - break; - lock_page(page); if (!page_has_buffers(page)) create_empty_buffers(page, i_blocksize(inode), 0); -- 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