bcache: Fix a journalling performance bug
diff --git a/drivers/md/bcache/journal.h b/drivers/md/bcache/journal.h
index 3d78512..3ca93d3 100644
--- a/drivers/md/bcache/journal.h
+++ b/drivers/md/bcache/journal.h
@@ -140,7 +140,8 @@
 	spinlock_t		lock;
 	/* used when waiting because the journal was full */
 	struct closure_waitlist	wait;
-	struct closure_with_timer io;
+	struct closure		io;
+	struct delayed_work	work;
 
 	/* Number of blocks free in the bucket(s) we're currently writing to */
 	unsigned		blocks_free;