810  * contexts directory
824 static void damon_sysfs_contexts_rm_dirs(struct damon_sysfs_contexts *contexts)  in damon_sysfs_contexts_rm_dirs()  argument
826 	struct damon_sysfs_context **contexts_arr = contexts->contexts_arr;  in damon_sysfs_contexts_rm_dirs()
829 	for (i = 0; i < contexts->nr; i++) {  in damon_sysfs_contexts_rm_dirs()
833 	contexts->nr = 0;  in damon_sysfs_contexts_rm_dirs()
835 	contexts->contexts_arr = NULL;  in damon_sysfs_contexts_rm_dirs()
838 static int damon_sysfs_contexts_add_dirs(struct damon_sysfs_contexts *contexts,  in damon_sysfs_contexts_add_dirs()  argument
844 	damon_sysfs_contexts_rm_dirs(contexts);  in damon_sysfs_contexts_add_dirs()
852 	contexts->contexts_arr = contexts_arr;  in damon_sysfs_contexts_add_dirs()
857 			damon_sysfs_contexts_rm_dirs(contexts);  in damon_sysfs_contexts_add_dirs()
862 				&damon_sysfs_context_ktype, &contexts->kobj,  in damon_sysfs_contexts_add_dirs()
872 		contexts->nr++;  in damon_sysfs_contexts_add_dirs()
877 	damon_sysfs_contexts_rm_dirs(contexts);  in damon_sysfs_contexts_add_dirs()
885 	struct damon_sysfs_contexts *contexts = container_of(kobj,  in nr_contexts_show()  local
888 	return sysfs_emit(buf, "%d\n", contexts->nr);  in nr_contexts_show()
894 	struct damon_sysfs_contexts *contexts;  in nr_contexts_store()  local
900 	/* TODO: support multiple contexts per kdamond */  in nr_contexts_store()
904 	contexts = container_of(kobj, struct damon_sysfs_contexts, kobj);  in nr_contexts_store()
907 	err = damon_sysfs_contexts_add_dirs(contexts, nr);  in nr_contexts_store()
941 	struct damon_sysfs_contexts *contexts;  member
952 	struct damon_sysfs_contexts *contexts;  in damon_sysfs_kdamond_add_dirs()  local
955 	contexts = damon_sysfs_contexts_alloc();  in damon_sysfs_kdamond_add_dirs()
956 	if (!contexts)  in damon_sysfs_kdamond_add_dirs()
959 	err = kobject_init_and_add(&contexts->kobj,  in damon_sysfs_kdamond_add_dirs()
961 			"contexts");  in damon_sysfs_kdamond_add_dirs()
963 		kobject_put(&contexts->kobj);  in damon_sysfs_kdamond_add_dirs()
966 	kdamond->contexts = contexts;  in damon_sysfs_kdamond_add_dirs()
973 	damon_sysfs_contexts_rm_dirs(kdamond->contexts);  in damon_sysfs_kdamond_rm_dirs()
974 	kobject_put(&kdamond->contexts->kobj);  in damon_sysfs_kdamond_rm_dirs()
1222  * contexts-internal data and DAMON sysfs variables.
1231 			kdamond->contexts->contexts_arr[0]->schemes, ctx);  in damon_sysfs_upd_schemes_stats()
1243 			kdamond->contexts->contexts_arr[0]->schemes, ctx,  in damon_sysfs_upd_schemes_regions_start()
1265 			kdamond->contexts->contexts_arr[0]->schemes, ctx);  in damon_sysfs_clear_schemes_regions()
1308 	/* TODO: Support multiple contexts per kdamond */  in damon_sysfs_commit_input()
1309 	if (kdamond->contexts->nr != 1)  in damon_sysfs_commit_input()
1312 	param_ctx = damon_sysfs_build_ctx(kdamond->contexts->contexts_arr[0]);  in damon_sysfs_commit_input()
1329 	/* TODO: Support multiple contexts per kdamond */  in damon_sysfs_commit_schemes_quota_goals()
1330 	if (sysfs_kdamond->contexts->nr != 1)  in damon_sysfs_commit_schemes_quota_goals()
1334 	sysfs_ctx = sysfs_kdamond->contexts->contexts_arr[0];  in damon_sysfs_commit_schemes_quota_goals()
1346  * DAMON contexts-internal data and DAMON sysfs variables.
1356 			kdamond->contexts->contexts_arr[0]->schemes, ctx);  in damon_sysfs_upd_schemes_effective_quotas()
1496 	/* TODO: support multiple contexts per kdamond */  in damon_sysfs_turn_damon_on()
1497 	if (kdamond->contexts->nr != 1)  in damon_sysfs_turn_damon_on()
1504 	ctx = damon_sysfs_build_ctx(kdamond->contexts->contexts_arr[0]);  in damon_sysfs_turn_damon_on()