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@@ -137,3 +137,53 @@ struct cfq_queue {
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/* io prio of this group */
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unsigned short ioprio, org_ioprio;
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+ unsigned short ioprio_class;
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+
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+ pid_t pid;
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+
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+ u32 seek_history;
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+ sector_t last_request_pos;
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+
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+ struct cfq_rb_root *service_tree;
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+ struct cfq_queue *new_cfqq;
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+ struct cfq_group *cfqg;
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+ /* Number of sectors dispatched from queue in single dispatch round */
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+ unsigned long nr_sectors;
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+};
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+
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+/*
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+ * First index in the service_trees.
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+ * IDLE is handled separately, so it has negative index
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+ */
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+enum wl_prio_t {
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+ BE_WORKLOAD = 0,
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+ RT_WORKLOAD = 1,
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+ IDLE_WORKLOAD = 2,
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+ CFQ_PRIO_NR,
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+};
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+
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+/*
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+ * Second index in the service_trees.
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+ */
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+enum wl_type_t {
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+ ASYNC_WORKLOAD = 0,
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+ SYNC_NOIDLE_WORKLOAD = 1,
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+ SYNC_WORKLOAD = 2
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+};
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+
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+struct cfqg_stats {
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+#ifdef CONFIG_CFQ_GROUP_IOSCHED
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+ /* total bytes transferred */
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+ struct blkg_rwstat service_bytes;
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+ /* total IOs serviced, post merge */
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+ struct blkg_rwstat serviced;
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+ /* number of ios merged */
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+ struct blkg_rwstat merged;
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+ /* total time spent on device in ns, may not be accurate w/ queueing */
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+ struct blkg_rwstat service_time;
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+ /* total time spent waiting in scheduler queue in ns */
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+ struct blkg_rwstat wait_time;
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+ /* number of IOs queued up */
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+ struct blkg_rwstat queued;
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+ /* total sectors transferred */
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+ struct blkg_stat sectors;
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