diff --git a/[refs] b/[refs]
index 8212b5e8367f..6cea9f0dbbd4 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 9ecc2738ac2371f88dff5d48914b4e35c45203cd
+refs/heads/master: b3af9468aebf5fcb573d0a116b31d2be1d43c0e9
diff --git a/trunk/fs/fs-writeback.c b/trunk/fs/fs-writeback.c
index c6bf775e641a..52aa54540079 100644
--- a/trunk/fs/fs-writeback.c
+++ b/trunk/fs/fs-writeback.c
@@ -474,10 +474,15 @@ writeback_single_inode(struct inode *inode, struct writeback_control *wbc)
 	spin_lock(&inode_lock);
 	inode->i_state &= ~I_SYNC;
 	if (!(inode->i_state & (I_FREEING | I_CLEAR))) {
-		if (inode->i_state & I_DIRTY) {
+		if ((inode->i_state & I_DIRTY_PAGES) && wbc->for_kupdate) {
 			/*
-			 * Someone redirtied the inode while were writing back
-			 * the pages.
+			 * More pages get dirtied by a fast dirtier.
+			 */
+			goto select_queue;
+		} else if (inode->i_state & I_DIRTY) {
+			/*
+			 * At least XFS will redirty the inode during the
+			 * writeback (delalloc) and on io completion (isize).
 			 */
 			redirty_tail(inode);
 		} else if (mapping_tagged(mapping, PAGECACHE_TAG_DIRTY)) {
@@ -502,6 +507,7 @@ writeback_single_inode(struct inode *inode, struct writeback_control *wbc)
 				 * soon as the queue becomes uncongested.
 				 */
 				inode->i_state |= I_DIRTY_PAGES;
+select_queue:
 				if (wbc->nr_to_write <= 0) {
 					/*
 					 * slice used up: queue for next turn