1 files changed, 0 insertions, 373 deletions

diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index 4e714f8ddcd2..b963fb4b3995 100644
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -63,63 +63,6 @@ struct blkio_cgroup *bio_blkio_cgroup(struct bio *bio)
 }
 EXPORT_SYMBOL_GPL(bio_blkio_cgroup);
 
-static inline void blkio_update_group_weight(struct blkio_group *blkg,
-					     int plid, unsigned int weight)
-{
-	struct blkio_policy_type *blkiop;
-
-	list_for_each_entry(blkiop, &blkio_list, list) {
-		/* If this policy does not own the blkg, do not send updates */
-		if (blkiop->plid != plid)
-			continue;
-		if (blkiop->ops.blkio_update_group_weight_fn)
-			blkiop->ops.blkio_update_group_weight_fn(blkg->q,
-							blkg, weight);
-	}
-}
-
-static inline void blkio_update_group_bps(struct blkio_group *blkg, int plid,
-					  u64 bps, int rw)
-{
-	struct blkio_policy_type *blkiop;
-
-	list_for_each_entry(blkiop, &blkio_list, list) {
-
-		/* If this policy does not own the blkg, do not send updates */
-		if (blkiop->plid != plid)
-			continue;
-
-		if (rw == READ && blkiop->ops.blkio_update_group_read_bps_fn)
-			blkiop->ops.blkio_update_group_read_bps_fn(blkg->q,
-								blkg, bps);
-
-		if (rw == WRITE && blkiop->ops.blkio_update_group_write_bps_fn)
-			blkiop->ops.blkio_update_group_write_bps_fn(blkg->q,
-								blkg, bps);
-	}
-}
-
-static inline void blkio_update_group_iops(struct blkio_group *blkg, int plid,
-					   u64 iops, int rw)
-{
-	struct blkio_policy_type *blkiop;
-
-	list_for_each_entry(blkiop, &blkio_list, list) {
-
-		/* If this policy does not own the blkg, do not send updates */
-		if (blkiop->plid != plid)
-			continue;
-
-		if (rw == READ && blkiop->ops.blkio_update_group_read_iops_fn)
-			blkiop->ops.blkio_update_group_read_iops_fn(blkg->q,
-								blkg, iops);
-
-		if (rw == WRITE && blkiop->ops.blkio_update_group_write_iops_fn)
-			blkiop->ops.blkio_update_group_write_iops_fn(blkg->q,
-								blkg,iops);
-	}
-}
-
 #ifdef CONFIG_DEBUG_BLK_CGROUP
 /* This should be called with the queue_lock held. */
 static void blkio_set_start_group_wait_time(struct blkio_group *blkg,
@@ -939,33 +882,6 @@ int blkcg_print_cpu_rwstat(struct cgroup *cgrp, struct cftype *cft,
 }
 EXPORT_SYMBOL_GPL(blkcg_print_cpu_rwstat);
 
-#ifdef CONFIG_DEBUG_BLK_CGROUP
-static u64 blkg_prfill_avg_queue_size(struct seq_file *sf,
-				      struct blkg_policy_data *pd, int off)
-{
-	u64 samples = blkg_stat_read(&pd->stats.avg_queue_size_samples);
-	u64 v = 0;
-
-	if (samples) {
-		v = blkg_stat_read(&pd->stats.avg_queue_size_sum);
-		do_div(v, samples);
-	}
-	__blkg_prfill_u64(sf, pd, v);
-	return 0;
-}
-
-/* print avg_queue_size */
-static int blkcg_print_avg_queue_size(struct cgroup *cgrp, struct cftype *cft,
-				      struct seq_file *sf)
-{
-	struct blkio_cgroup *blkcg = cgroup_to_blkio_cgroup(cgrp);
-
-	blkcg_print_blkgs(sf, blkcg, blkg_prfill_avg_queue_size,
-			  BLKIO_POLICY_PROP, 0, false);
-	return 0;
-}
-#endif	/* CONFIG_DEBUG_BLK_CGROUP */
-
 /**
  * blkg_conf_prep - parse and prepare for per-blkg config update
  * @blkcg: target block cgroup
@@ -1039,300 +955,11 @@ void blkg_conf_finish(struct blkg_conf_ctx *ctx)
 }
 EXPORT_SYMBOL_GPL(blkg_conf_finish);
 
-/* for propio conf */
-static u64 blkg_prfill_weight_device(struct seq_file *sf,
-				     struct blkg_policy_data *pd, int off)
-{
-	if (!pd->conf.weight)
-		return 0;
-	return __blkg_prfill_u64(sf, pd, pd->conf.weight);
-}
-
-static int blkcg_print_weight_device(struct cgroup *cgrp, struct cftype *cft,
-				     struct seq_file *sf)
-{
-	blkcg_print_blkgs(sf, cgroup_to_blkio_cgroup(cgrp),
-			  blkg_prfill_weight_device, BLKIO_POLICY_PROP, 0,
-			  false);
-	return 0;
-}
-
-static int blkcg_print_weight(struct cgroup *cgrp, struct cftype *cft,
-			      struct seq_file *sf)
-{
-	seq_printf(sf, "%u\n", cgroup_to_blkio_cgroup(cgrp)->weight);
-	return 0;
-}
-
-static int blkcg_set_weight_device(struct cgroup *cgrp, struct cftype *cft,
-				   const char *buf)
-{
-	struct blkio_cgroup *blkcg = cgroup_to_blkio_cgroup(cgrp);
-	struct blkg_policy_data *pd;
-	struct blkg_conf_ctx ctx;
-	int ret;
-
-	ret = blkg_conf_prep(blkcg, buf, &ctx);
-	if (ret)
-		return ret;
-
-	ret = -EINVAL;
-	pd = ctx.blkg->pd[BLKIO_POLICY_PROP];
-	if (pd && (!ctx.v || (ctx.v >= BLKIO_WEIGHT_MIN &&
-			      ctx.v <= BLKIO_WEIGHT_MAX))) {
-		pd->conf.weight = ctx.v;
-		blkio_update_group_weight(ctx.blkg, BLKIO_POLICY_PROP,
-					  ctx.v ?: blkcg->weight);
-		ret = 0;
-	}
-
-	blkg_conf_finish(&ctx);
-	return ret;
-}
-
-static int blkcg_set_weight(struct cgroup *cgrp, struct cftype *cft, u64 val)
-{
-	struct blkio_cgroup *blkcg = cgroup_to_blkio_cgroup(cgrp);
-	struct blkio_group *blkg;
-	struct hlist_node *n;
-
-	if (val < BLKIO_WEIGHT_MIN || val > BLKIO_WEIGHT_MAX)
-		return -EINVAL;
-
-	spin_lock(&blkio_list_lock);
-	spin_lock_irq(&blkcg->lock);
-	blkcg->weight = (unsigned int)val;
-
-	hlist_for_each_entry(blkg, n, &blkcg->blkg_list, blkcg_node) {
-		struct blkg_policy_data *pd = blkg->pd[BLKIO_POLICY_PROP];
-
-		if (pd && !pd->conf.weight)
-			blkio_update_group_weight(blkg, BLKIO_POLICY_PROP,
-						  blkcg->weight);
-	}
-
-	spin_unlock_irq(&blkcg->lock);
-	spin_unlock(&blkio_list_lock);
-	return 0;
-}
-
-/* for blk-throttle conf */
-#ifdef CONFIG_BLK_DEV_THROTTLING
-static u64 blkg_prfill_conf_u64(struct seq_file *sf,
-				struct blkg_policy_data *pd, int off)
-{
-	u64 v = *(u64 *)((void *)&pd->conf + off);
-
-	if (!v)
-		return 0;
-	return __blkg_prfill_u64(sf, pd, v);
-}
-
-static int blkcg_print_conf_u64(struct cgroup *cgrp, struct cftype *cft,
-				struct seq_file *sf)
-{
-	blkcg_print_blkgs(sf, cgroup_to_blkio_cgroup(cgrp),
-			  blkg_prfill_conf_u64, BLKIO_POLICY_THROTL,
-			  cft->private, false);
-	return 0;
-}
-
-static int blkcg_set_conf_u64(struct cgroup *cgrp, struct cftype *cft,
-			      const char *buf, int rw,
-			      void (*update)(struct blkio_group *, int, u64, int))
-{
-	struct blkio_cgroup *blkcg = cgroup_to_blkio_cgroup(cgrp);
-	struct blkg_policy_data *pd;
-	struct blkg_conf_ctx ctx;
-	int ret;
-
-	ret = blkg_conf_prep(blkcg, buf, &ctx);
-	if (ret)
-		return ret;
-
-	ret = -EINVAL;
-	pd = ctx.blkg->pd[BLKIO_POLICY_THROTL];
-	if (pd) {
-		*(u64 *)((void *)&pd->conf + cft->private) = ctx.v;
-		update(ctx.blkg, BLKIO_POLICY_THROTL, ctx.v ?: -1, rw);
-		ret = 0;
-	}
-
-	blkg_conf_finish(&ctx);
-	return ret;
-}
-
-static int blkcg_set_conf_bps_r(struct cgroup *cgrp, struct cftype *cft,
-				const char *buf)
-{
-	return blkcg_set_conf_u64(cgrp, cft, buf, READ, blkio_update_group_bps);
-}
-
-static int blkcg_set_conf_bps_w(struct cgroup *cgrp, struct cftype *cft,
-				const char *buf)
-{
-	return blkcg_set_conf_u64(cgrp, cft, buf, WRITE, blkio_update_group_bps);
-}
-
-static int blkcg_set_conf_iops_r(struct cgroup *cgrp, struct cftype *cft,
-				 const char *buf)
-{
-	return blkcg_set_conf_u64(cgrp, cft, buf, READ, blkio_update_group_iops);
-}
-
-static int blkcg_set_conf_iops_w(struct cgroup *cgrp, struct cftype *cft,
-				 const char *buf)
-{
-	return blkcg_set_conf_u64(cgrp, cft, buf, WRITE, blkio_update_group_iops);
-}
-#endif
-
 struct cftype blkio_files[] = {
 	{
-		.name = "weight_device",
-		.read_seq_string = blkcg_print_weight_device,
-		.write_string = blkcg_set_weight_device,
-		.max_write_len = 256,
-	},
-	{
-		.name = "weight",
-		.read_seq_string = blkcg_print_weight,
-		.write_u64 = blkcg_set_weight,
-	},
-	{
-		.name = "time",
-		.private = BLKCG_STAT_PRIV(BLKIO_POLICY_PROP,
-				offsetof(struct blkio_group_stats, time)),
-		.read_seq_string = blkcg_print_stat,
-	},
-	{
-		.name = "sectors",
-		.private = BLKCG_STAT_PRIV(BLKIO_POLICY_PROP,
-				offsetof(struct blkio_group_stats_cpu, sectors)),
-		.read_seq_string = blkcg_print_cpu_stat,
-	},
-	{
-		.name = "io_service_bytes",
-		.private = BLKCG_STAT_PRIV(BLKIO_POLICY_PROP,
-				offsetof(struct blkio_group_stats_cpu, service_bytes)),
-		.read_seq_string = blkcg_print_cpu_rwstat,
-	},
-	{
-		.name = "io_serviced",
-		.private = BLKCG_STAT_PRIV(BLKIO_POLICY_PROP,
-				offsetof(struct blkio_group_stats_cpu, serviced)),
-		.read_seq_string = blkcg_print_cpu_rwstat,
-	},
-	{
-		.name = "io_service_time",
-		.private = BLKCG_STAT_PRIV(BLKIO_POLICY_PROP,
-				offsetof(struct blkio_group_stats, service_time)),
-		.read_seq_string = blkcg_print_rwstat,
-	},
-	{
-		.name = "io_wait_time",
-		.private = BLKCG_STAT_PRIV(BLKIO_POLICY_PROP,
-				offsetof(struct blkio_group_stats, wait_time)),
-		.read_seq_string = blkcg_print_rwstat,
-	},
-	{
-		.name = "io_merged",
-		.private = BLKCG_STAT_PRIV(BLKIO_POLICY_PROP,
-				offsetof(struct blkio_group_stats, merged)),
-		.read_seq_string = blkcg_print_rwstat,
-	},
-	{
-		.name = "io_queued",
-		.private = BLKCG_STAT_PRIV(BLKIO_POLICY_PROP,
-				offsetof(struct blkio_group_stats, queued)),
-		.read_seq_string = blkcg_print_rwstat,
-	},
-	{
 		.name = "reset_stats",
 		.write_u64 = blkiocg_reset_stats,
 	},
-#ifdef CONFIG_BLK_DEV_THROTTLING
-	{
-		.name = "throttle.read_bps_device",
-		.private = offsetof(struct blkio_group_conf, bps[READ]),
-		.read_seq_string = blkcg_print_conf_u64,
-		.write_string = blkcg_set_conf_bps_r,
-		.max_write_len = 256,
-	},
-
-	{
-		.name = "throttle.write_bps_device",
-		.private = offsetof(struct blkio_group_conf, bps[WRITE]),
-		.read_seq_string = blkcg_print_conf_u64,
-		.write_string = blkcg_set_conf_bps_w,
-		.max_write_len = 256,
-	},
-
-	{
-		.name = "throttle.read_iops_device",
-		.private = offsetof(struct blkio_group_conf, iops[READ]),
-		.read_seq_string = blkcg_print_conf_u64,
-		.write_string = blkcg_set_conf_iops_r,
-		.max_write_len = 256,
-	},
-
-	{
-		.name = "throttle.write_iops_device",
-		.private = offsetof(struct blkio_group_conf, iops[WRITE]),
-		.read_seq_string = blkcg_print_conf_u64,
-		.write_string = blkcg_set_conf_iops_w,
-		.max_write_len = 256,
-	},
-	{
-		.name = "throttle.io_service_bytes",
-		.private = BLKCG_STAT_PRIV(BLKIO_POLICY_THROTL,
-				offsetof(struct blkio_group_stats_cpu, service_bytes)),
-		.read_seq_string = blkcg_print_cpu_rwstat,
-	},
-	{
-		.name = "throttle.io_serviced",
-		.private = BLKCG_STAT_PRIV(BLKIO_POLICY_THROTL,
-				offsetof(struct blkio_group_stats_cpu, serviced)),
-		.read_seq_string = blkcg_print_cpu_rwstat,
-	},
-#endif /* CONFIG_BLK_DEV_THROTTLING */
-
-#ifdef CONFIG_DEBUG_BLK_CGROUP
-	{
-		.name = "avg_queue_size",
-		.read_seq_string = blkcg_print_avg_queue_size,
-	},
-	{
-		.name = "group_wait_time",
-		.private = BLKCG_STAT_PRIV(BLKIO_POLICY_PROP,
-				offsetof(struct blkio_group_stats, group_wait_time)),
-		.read_seq_string = blkcg_print_stat,
-	},
-	{
-		.name = "idle_time",
-		.private = BLKCG_STAT_PRIV(BLKIO_POLICY_PROP,
-				offsetof(struct blkio_group_stats, idle_time)),
-		.read_seq_string = blkcg_print_stat,
-	},
-	{
-		.name = "empty_time",
-		.private = BLKCG_STAT_PRIV(BLKIO_POLICY_PROP,
-				offsetof(struct blkio_group_stats, empty_time)),
-		.read_seq_string = blkcg_print_stat,
-	},
-	{
-		.name = "dequeue",
-		.private = BLKCG_STAT_PRIV(BLKIO_POLICY_PROP,
-				offsetof(struct blkio_group_stats, dequeue)),
-		.read_seq_string = blkcg_print_stat,
-	},
-	{
-		.name = "unaccounted_time",
-		.private = BLKCG_STAT_PRIV(BLKIO_POLICY_PROP,
-				offsetof(struct blkio_group_stats, unaccounted_time)),
-		.read_seq_string = blkcg_print_stat,
-	},
-#endif
 	{ }	/* terminate */
 };