#ifdef __KERNEL__
# include <linux/slab.h>
# include <linux/crush/crush.h>
#else
# include "crush_compat.h"
# include "crush.h"
#endif

const char *crush_bucket_alg_name(int alg)
{
	switch (alg) {
	case CRUSH_BUCKET_UNIFORM: return "uniform";
	case CRUSH_BUCKET_LIST: return "list";
	case CRUSH_BUCKET_TREE: return "tree";
	case CRUSH_BUCKET_STRAW: return "straw";
	case CRUSH_BUCKET_STRAW2: return "straw2";
	default: return "unknown";
	}
}

/**
 * crush_get_bucket_item_weight - Get weight of an item in given bucket
 * @b: bucket pointer
 * @p: item index in bucket
 */
int crush_get_bucket_item_weight(const struct crush_bucket *b, int p)
{
	if ((__u32)p >= b->size)
		return 0;

	switch (b->alg) {
	case CRUSH_BUCKET_UNIFORM:
		return ((struct crush_bucket_uniform *)b)->item_weight;
	case CRUSH_BUCKET_LIST:
		return ((struct crush_bucket_list *)b)->item_weights[p];
	case CRUSH_BUCKET_TREE:
		return ((struct crush_bucket_tree *)b)->node_weights[crush_calc_tree_node(p)];
	case CRUSH_BUCKET_STRAW:
		return ((struct crush_bucket_straw *)b)->item_weights[p];
	case CRUSH_BUCKET_STRAW2:
		return ((struct crush_bucket_straw2 *)b)->item_weights[p];
	}
	return 0;
}

void crush_destroy_bucket_uniform(struct crush_bucket_uniform *b)
{
	kfree(b->h.perm);
	kfree(b->h.items);
	kfree(b);
}

void crush_destroy_bucket_list(struct crush_bucket_list *b)
{
	kfree(b->item_weights);
	kfree(b->sum_weights);
	kfree(b->h.perm);
	kfree(b->h.items);
	kfree(b);
}

void crush_destroy_bucket_tree(struct crush_bucket_tree *b)
{
	kfree(b->h.perm);
	kfree(b->h.items);
	kfree(b->node_weights);
	kfree(b);
}

void crush_destroy_bucket_straw(struct crush_bucket_straw *b)
{
	kfree(b->straws);
	kfree(b->item_weights);
	kfree(b->h.perm);
	kfree(b->h.items);
	kfree(b);
}

void crush_destroy_bucket_straw2(struct crush_bucket_straw2 *b)
{
	kfree(b->item_weights);
	kfree(b->h.perm);
	kfree(b->h.items);
	kfree(b);
}

void crush_destroy_bucket(struct crush_bucket *b)
{
	switch (b->alg) {
	case CRUSH_BUCKET_UNIFORM:
		crush_destroy_bucket_uniform((struct crush_bucket_uniform *)b);
		break;
	case CRUSH_BUCKET_LIST:
		crush_destroy_bucket_list((struct crush_bucket_list *)b);
		break;
	case CRUSH_BUCKET_TREE:
		crush_destroy_bucket_tree((struct crush_bucket_tree *)b);
		break;
	case CRUSH_BUCKET_STRAW:
		crush_destroy_bucket_straw((struct crush_bucket_straw *)b);
		break;
	case CRUSH_BUCKET_STRAW2:
		crush_destroy_bucket_straw2((struct crush_bucket_straw2 *)b);
		break;
	}
}

/**
 * crush_destroy - Destroy a crush_map
 * @map: crush_map pointer
 */
void crush_destroy(struct crush_map *map)
{
	/* buckets */
	if (map->buckets) {
		__s32 b;
		for (b = 0; b < map->max_buckets; b++) {
			if (map->buckets[b] == NULL)
				continue;
			crush_destroy_bucket(map->buckets[b]);
		}
		kfree(map->buckets);
	}

	/* rules */
	if (map->rules) {
		__u32 b;
		for (b = 0; b < map->max_rules; b++)
			crush_destroy_rule(map->rules[b]);
		kfree(map->rules);
	}

#ifndef __KERNEL__
	kfree(map->choose_tries);
#endif
	kfree(map);
}

void crush_destroy_rule(struct crush_rule *rule)
{
	kfree(rule);
}
next.git/diff/include?id=53cd1ad1a68fd10f677445e04ed63aa9ce39b36b&amp;id2=e13fe92bb58cf9b8f709ec18267ffc9e6ffeb016'>include</a>/<a href='/cgit.cgi/linux/net-next.git/diff/include/trace?id=53cd1ad1a68fd10f677445e04ed63aa9ce39b36b&amp;id2=e13fe92bb58cf9b8f709ec18267ffc9e6ffeb016'>trace</a>/<a href='/cgit.cgi/linux/net-next.git/diff/include/trace/events?id=53cd1ad1a68fd10f677445e04ed63aa9ce39b36b&amp;id2=e13fe92bb58cf9b8f709ec18267ffc9e6ffeb016'>events</a>/<a href='/cgit.cgi/linux/net-next.git/diff/include/trace/events/wbt.h?id=53cd1ad1a68fd10f677445e04ed63aa9ce39b36b&amp;id2=e13fe92bb58cf9b8f709ec18267ffc9e6ffeb016'>wbt.h</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='53cd1ad1a68fd10f677445e04ed63aa9ce39b36b'/><input type='hidden' name='id2' value='e13fe92bb58cf9b8f709ec18267ffc9e6ffeb016'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=53cd1ad1a68fd10f677445e04ed63aa9ce39b36b&amp;id2=e13fe92bb58cf9b8f709ec18267ffc9e6ffeb016'>Diffstat</a> (limited to 'include/trace/events/wbt.h')</div><table summary='diffstat' class='diffstat'>