[merged] mm-use-pagevec_lookup_range_tag-in-__filemap_fdatawait_range.patch removed from -mm tree

[merged] mm-use-pagevec_lookup_range_tag-in-__filemap_fdatawait_range.patch removed from -mm tree

[akpm]

The patch titled
     Subject: mm: use pagevec_lookup_range_tag() in __filemap_fdatawait_range()
has been removed from the -mm tree.  Its filename was
     mm-use-pagevec_lookup_range_tag-in-__filemap_fdatawait_range.patch

This patch was dropped because it was merged into mainline or a subsystem tree

------------------------------------------------------
From: Jan Kara <jack@suse.cz>
Subject: mm: use pagevec_lookup_range_tag() in __filemap_fdatawait_range()

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.

Link: http://lkml.kernel.org/r/20171009151359.31984-11-jack@suse.cz
Signed-off-by: Jan Kara <jack@suse.cz>
Reviewed-by: Daniel Jordan <daniel.m.jordan@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/filemap.c |   14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff -puN mm/filemap.c~mm-use-pagevec_lookup_range_tag-in-__filemap_fdatawait_range mm/filemap.c
--- a/mm/filemap.c~mm-use-pagevec_lookup_range_tag-in-__filemap_fdatawait_range
+++ a/mm/filemap.c
@@ -420,19 +420,17 @@ static void __filemap_fdatawait_range(st
 		return;
 
 	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) {
+	while (index <= end) {
 		unsigned i;
 
+		nr_pages = pagevec_lookup_range_tag(&pvec, mapping, &index,
+				end, PAGECACHE_TAG_WRITEBACK, PAGEVEC_SIZE);
+		if (!nr_pages)
+			break;
+
 		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;