Merge tag 'drm-intel-fixes-2014-04-11' of git://anongit.freedesktop.org/drm-intel...

[firefly-linux-kernel-4.4.55.git] / include / linux / backing-dev.h

diff --git a/include/linux/backing-dev.h b/include/linux/backing-dev.h
index 24819001f5c84500ce61dad882e9da2ef331df25..e488e9459a93f5e3e39ff339a7b0a1bbdee08165 100644 (file)
--- 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;