X-Git-Url: http://git.cascardo.info/?a=blobdiff_plain;f=mm%2Fbacking-dev.c;h=a0860640378d87b40827bdb4a89ec271c5c8f35c;hb=f2ea0f5f04c97b48c88edccba52b0682fbe45087;hp=a87da524a4a01ad288e10e9648593d8934adb4fc;hpb=36bc45e219f48b5ec45c5aa34bc13dbe80e10c10;p=cascardo%2Flinux.git

diff --git a/mm/backing-dev.c b/mm/backing-dev.c
index a87da524a4a0..a0860640378d 100644
--- a/mm/backing-dev.c
+++ b/mm/backing-dev.c
@@ -97,6 +97,7 @@ static int bdi_debug_stats_show(struct seq_file *m, void *v)
 		   "BdiDirtyThresh:     %10lu kB\n"
 		   "DirtyThresh:        %10lu kB\n"
 		   "BackgroundThresh:   %10lu kB\n"
+		   "BdiDirtied:         %10lu kB\n"
 		   "BdiWritten:         %10lu kB\n"
 		   "BdiWriteBandwidth:  %10lu kBps\n"
 		   "b_dirty:            %10lu\n"
@@ -109,6 +110,7 @@ static int bdi_debug_stats_show(struct seq_file *m, void *v)
 		   K(bdi_thresh),
 		   K(dirty_thresh),
 		   K(background_thresh),
+		   (unsigned long) K(bdi_stat(bdi, BDI_DIRTIED)),
 		   (unsigned long) K(bdi_stat(bdi, BDI_WRITTEN)),
 		   (unsigned long) K(bdi->write_bandwidth),
 		   nr_dirty,
@@ -404,9 +406,8 @@ static int bdi_forker_thread(void *ptr)
 		/*
 		 * In the following loop we are going to check whether we have
 		 * some work to do without any synchronization with tasks
-		 * waking us up to do work for them. So we have to set task
-		 * state already here so that we don't miss wakeups coming
-		 * after we verify some condition.
+		 * waking us up to do work for them. Set the task state here
+		 * so that we don't miss wakeups after verifying conditions.
 		 */
 		set_current_state(TASK_INTERRUPTIBLE);
 
@@ -474,7 +475,8 @@ static int bdi_forker_thread(void *ptr)
 				 * the bdi from the thread. Hopefully 1024 is
 				 * large enough for efficient IO.
 				 */
-				writeback_inodes_wb(&bdi->wb, 1024);
+				writeback_inodes_wb(&bdi->wb, 1024,
+						    WB_REASON_FORKER_THREAD);
 			} else {
 				/*
 				 * The spinlock makes sure we do not lose
@@ -684,6 +686,8 @@ int bdi_init(struct backing_dev_info *bdi)
 	bdi->bw_time_stamp = jiffies;
 	bdi->written_stamp = 0;
 
+	bdi->balanced_dirty_ratelimit = INIT_BW;
+	bdi->dirty_ratelimit = INIT_BW;
 	bdi->write_bandwidth = INIT_BW;
 	bdi->avg_write_bandwidth = INIT_BW;