X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Flinux%2Fbacking-dev.h;h=4cfdbf28fc6ad5d130e85a3ea3b9578af3362163;hb=9230e5bc3885c403a48c8cc394fd094c8f9c1433;hp=c3881553f7d15ef029323e49bcbc9e48365eb5db;hpb=80ce5f6f25bea86f4fbfb9c19c09e43ccac90bfd;p=firefly-linux-kernel-4.4.55.git

diff --git a/include/linux/backing-dev.h b/include/linux/backing-dev.h
index c3881553f7d1..4cfdbf28fc6a 100644
--- a/include/linux/backing-dev.h
+++ b/include/linux/backing-dev.h
@@ -95,7 +95,7 @@ struct backing_dev_info {
 	unsigned int max_ratio, max_prop_frac;
 
 	struct bdi_writeback wb;  /* default writeback info for this bdi */
-	spinlock_t wb_lock;	  /* protects work_list */
+	spinlock_t wb_lock;	  /* protects work_list & wb.dwork scheduling */
 
 	struct list_head work_list;