---

yaml
---
r: 61574
b: refs/heads/master
c: 431a482
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: c743d96b6d2ff55a94df7b5ac7c74987bb9c343b
+refs/heads/master: 431a4820bfcdf7ff530e745230bafb06c9bf2d6d

trunk/fs/splice.c

@@ -290,23 +290,24 @@ __generic_file_splice_read(struct file *in, loff_t *ppos,
 	 * Lookup the (hopefully) full range of pages we need.
 	 */
 	spd.nr_pages = find_get_pages_contig(mapping, index, nr_pages, pages);
+	index += spd.nr_pages;
 
 	/*
 	 * If find_get_pages_contig() returned fewer pages than we needed,
-	 * allocate the rest and fill in the holes.
+	 * readahead/allocate the rest and fill in the holes.
 	 */
+	if (spd.nr_pages < nr_pages)
+		page_cache_readahead_ondemand(mapping, &in->f_ra, in,
+				NULL, index, nr_pages - spd.nr_pages);
+
 	error = 0;
-	index += spd.nr_pages;
 	while (spd.nr_pages < nr_pages) {
 		/*
 		 * Page could be there, find_get_pages_contig() breaks on
 		 * the first hole.
 		 */
 		page = find_get_page(mapping, index);
 		if (!page) {
-			page_cache_readahead_ondemand(mapping, &in->f_ra, in,
-					NULL, index, nr_pages - spd.nr_pages);
-
 			/*
 			 * page didn't exist, allocate one.
 			 */