Merge git://git.infradead.org/mtd-2.6

[sfrench/cifs-2.6.git] / mm / page-writeback.c

diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index e630188ccc40cb84dbc6bbf0266d22621bc23df5..77a0bc4e261aba1a9290a389f99f299251cc38c8 100644 (file)
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -802,6 +802,15 @@ int test_set_page_writeback(struct page *page)
 }
 EXPORT_SYMBOL(test_set_page_writeback);
 
+/*
+ * Wakes up tasks that are being throttled due to writeback congestion
+ */
+void writeback_congestion_end(void)
+{
+       blk_congestion_end(WRITE);
+}
+EXPORT_SYMBOL(writeback_congestion_end);
+
 /*
  * Return true if any of the pages in the mapping are marged with the
  * passed tag.