X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=mm%2Fpage-writeback.c;h=31f698862420021cc9b1e39e608077d1d468730a;hb=258ba6a5a9194ea043850f77d1219053c810e043;hp=632b46479c940a41ccf7b9eb14360c25a0dfe323;hpb=6447f55da90b77faec1697d499ed7986bb4f6de6;p=pandora-kernel.git

diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 632b46479c94..31f698862420 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -1040,11 +1040,17 @@ static int __writepage(struct page *page, struct writeback_control *wbc,
 int generic_writepages(struct address_space *mapping,
 		       struct writeback_control *wbc)
 {
+	struct blk_plug plug;
+	int ret;
+
 	/* deal with chardevs and other special file */
 	if (!mapping->a_ops->writepage)
 		return 0;
 
-	return write_cache_pages(mapping, wbc, __writepage, mapping);
+	blk_start_plug(&plug);
+	ret = write_cache_pages(mapping, wbc, __writepage, mapping);
+	blk_finish_plug(&plug);
+	return ret;
 }
 
 EXPORT_SYMBOL(generic_writepages);
@@ -1251,7 +1257,7 @@ int set_page_dirty_lock(struct page *page)
 {
 	int ret;
 
-	lock_page_nosync(page);
+	lock_page(page);
 	ret = set_page_dirty(page);
 	unlock_page(page);
 	return ret;