nilfs2: use pagevec_lookup_range_tag()

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. Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Jan Kara <[email protected]> Reviewed-by: Daniel Jordan <[email protected]> Acked-by: Ryusuke Konishi <[email protected]> Cc: Ryusuke Konishi <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
mrcsosa · Nov 16, 2017 · 40f9c51 · 40f9c51
1 parent d2bc5b3
commit 40f9c51
Showing 1 changed file with 2 additions and 6 deletions.
diff --git 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);