From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Jan Kara To: Andrew Morton Cc: , , Daniel Jordan , Jan Kara , Jaegeuk Kim , linux-f2fs-devel@lists.sourceforge.net Subject: [PATCH 07/16] f2fs: Use find_get_pages_tag() for looking up single page Date: Mon, 9 Oct 2017 17:13:50 +0200 Message-Id: <20171009151359.31984-8-jack@suse.cz> In-Reply-To: <20171009151359.31984-1-jack@suse.cz> References: <20171009151359.31984-1-jack@suse.cz> Sender: owner-linux-mm@kvack.org List-ID: __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 Reviewed-by: Daniel Jordan 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