Function dfs_lock

components/dfs/dfs_v2/src/dfs.c:158–168

* this function will lock device file system. * * @note please don't invoke it on ISR. */

 * @note please don't invoke it on ISR.
 */
rt_err_t dfs_lock(void)
{
    rt_err_t result = -RT_EBUSY;

    while (result == -RT_EBUSY)
    {
        result = rt_mutex_take(&fslock, RT_WAITING_FOREVER);
    }

    return result;
}

/**
 * this function will unlock device file system.