1 files changed, 4 insertions, 1 deletions

diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 7b0dcea4935b..7687879253b9 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -541,8 +541,11 @@ static void balance_dirty_pages(struct address_space *mapping)
                  * filesystems (i.e. NFS) in which data may have been
                  * written to the server's write cache, but has not yet
                  * been flushed to permanent storage.
+                 * Only move pages to writeback if this bdi is over its
+                 * threshold otherwise wait until the disk writes catch
+                 * up.
                  */
-                if (bdi_nr_reclaimable) {
+                if (bdi_nr_reclaimable > bdi_thresh) {
                         writeback_inodes(&wbc);
                         pages_written += write_chunk - wbc.nr_to_write;
                         get_dirty_limits(&background_thresh, &dirty_thresh,