kemleak-test: build as module only
[pandora-kernel.git] / block / blk-cgroup.c
index 455768a..2bef570 100644 (file)
@@ -371,12 +371,14 @@ void blkiocg_update_io_remove_stats(struct blkio_group *blkg,
 }
 EXPORT_SYMBOL_GPL(blkiocg_update_io_remove_stats);
 
-void blkiocg_update_timeslice_used(struct blkio_group *blkg, unsigned long time)
+void blkiocg_update_timeslice_used(struct blkio_group *blkg, unsigned long time,
+                               unsigned long unaccounted_time)
 {
        unsigned long flags;
 
        spin_lock_irqsave(&blkg->stats_lock, flags);
        blkg->stats.time += time;
+       blkg->stats.unaccounted_time += unaccounted_time;
        spin_unlock_irqrestore(&blkg->stats_lock, flags);
 }
 EXPORT_SYMBOL_GPL(blkiocg_update_timeslice_used);
@@ -604,6 +606,9 @@ static uint64_t blkio_get_stat(struct blkio_group *blkg,
                return blkio_fill_stat(key_str, MAX_KEY_LEN - 1,
                                        blkg->stats.sectors, cb, dev);
 #ifdef CONFIG_DEBUG_BLK_CGROUP
+       if (type == BLKIO_STAT_UNACCOUNTED_TIME)
+               return blkio_fill_stat(key_str, MAX_KEY_LEN - 1,
+                                       blkg->stats.unaccounted_time, cb, dev);
        if (type == BLKIO_STAT_AVG_QUEUE_SIZE) {
                uint64_t sum = blkg->stats.avg_queue_size_sum;
                uint64_t samples = blkg->stats.avg_queue_size_samples;
@@ -1125,6 +1130,9 @@ static int blkiocg_file_read_map(struct cgroup *cgrp, struct cftype *cft,
                        return blkio_read_blkg_stats(blkcg, cft, cb,
                                                BLKIO_STAT_QUEUED, 1);
 #ifdef CONFIG_DEBUG_BLK_CGROUP
+               case BLKIO_PROP_unaccounted_time:
+                       return blkio_read_blkg_stats(blkcg, cft, cb,
+                                               BLKIO_STAT_UNACCOUNTED_TIME, 0);
                case BLKIO_PROP_dequeue:
                        return blkio_read_blkg_stats(blkcg, cft, cb,
                                                BLKIO_STAT_DEQUEUE, 0);
@@ -1382,6 +1390,12 @@ struct cftype blkio_files[] = {
                                BLKIO_PROP_dequeue),
                .read_map = blkiocg_file_read_map,
        },
+       {
+               .name = "unaccounted_time",
+               .private = BLKIOFILE_PRIVATE(BLKIO_POLICY_PROP,
+                               BLKIO_PROP_unaccounted_time),
+               .read_map = blkiocg_file_read_map,
+       },
 #endif
 };