linux/block/blk-cgroup-fc-appid.c

// SPDX-License-Identifier: GPL-2.0

#include "blk-cgroup.h"

/**
 * blkcg_set_fc_appid - set the fc_app_id field associted to blkcg
 * @app_id: application identifier
 * @cgrp_id: cgroup id
 * @app_id_len: size of application identifier
 */
int blkcg_set_fc_appid(char *app_id, u64 cgrp_id, size_t app_id_len)
{ … }
EXPORT_SYMBOL_GPL(…);

/**
 * blkcg_get_fc_appid - get the fc app identifier associated with a bio
 * @bio: target bio
 *
 * On success return the fc_app_id, on failure return NULL
 */
char *blkcg_get_fc_appid(struct bio *bio)
{ … }
EXPORT_SYMBOL_GPL(…);