Function dfs_lock

components/dfs/dfs_v1/src/dfs.c:115–128

* @brief this function will lock device file system. * this lock (fslock) is used for protecting filesystem_operation_table and filesystem_table. * * @note please don't invoke it on ISR. */

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

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

    if (result != RT_EOK)
    {
        RT_ASSERT(0);
    }
}

/**
 * @brief this function will lock file descriptors.