Function dfs_mkfs

components/dfs/dfs_v1/src/dfs_fs.c:432–477

* make a file system on the special device * * @param fs_name the file system name * @param device_name the special device name * * @return 0 on successful, otherwise failed. */

 * @return 0 on successful, otherwise failed.
 */
int dfs_mkfs(const char *fs_name, const char *device_name)
{
    int index;
    rt_device_t dev_id = NULL;

    /* check device name, and it should not be NULL */
    if (device_name != NULL)
        dev_id = rt_device_find(device_name);

    if (dev_id == NULL)
    {
        rt_set_errno(-ENODEV);
        LOG_E("Device (%s) was not found", device_name);
        return -1;
    }

    /* lock file system */
    dfs_lock();
    /* find the file system operations */
    for (index = 0; index < DFS_FILESYSTEM_TYPES_MAX; index ++)
    {
        if (filesystem_operation_table[index] != NULL &&
            strncmp(filesystem_operation_table[index]->name, fs_name,
                strlen(filesystem_operation_table[index]->name)) == 0)
            break;
    }
    dfs_unlock();

    if (index < DFS_FILESYSTEM_TYPES_MAX)
    {
        /* find file system operation */
        const struct dfs_filesystem_ops *ops = filesystem_operation_table[index];
        if (ops->mkfs == NULL)
        {
            LOG_E("The file system (%s) mkfs function was not implement", fs_name);
            rt_set_errno(-ENOSYS);
            return -1;
        }

        return ops->mkfs(dev_id, fs_name);
    }

    LOG_E("File system (%s) was not found.", fs_name);

    return -1;
}

/**
 * this function will return the information about a mounted file system.