X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Flinux%2Fbacking-dev.h;h=e488e9459a93f5e3e39ff339a7b0a1bbdee08165;hb=5df5242d34c131d049359e01b9ce928659885c4b;hp=24819001f5c84500ce61dad882e9da2ef331df25;hpb=139f4b836b075abfd79199e727312f7766e0347c;p=firefly-linux-kernel-4.4.55.git

diff --git a/include/linux/backing-dev.h b/include/linux/backing-dev.h
index 24819001f5c8..e488e9459a93 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;