On 06/05/2017 04:43 AM, Yang Feng wrote:
> diff --git a/libmultipath/prioritizers/path_latency.c b/libmultipath/prioritizers/path_latency.c
> new file mode 100644
> index 0000000..081f546
> --- /dev/null
> +++ b/libmultipath/prioritizers/path_latency.c
> @@ -0,0 +1,272 @@
> +/*
> + * (C) Copyright HUAWEI Technology Corp. 2017, 2021 All Rights Reserved.
^^^^ <-----------
2021 ???
> + *
> + * main.c
> + *
> + * Prioritizer for device mapper multipath, where the corresponding priority
> + * values of specific paths are provided by a latency algorithm. And the
> + * latency algorithm is dependent on arguments.
> + *
> + * The principle of the algorithm as follows:
> + * 1. By sending a certain number "io_num" of read IOs to the current path
> + * continuously, the IOs' average latency can be calculated.
> + * 2. According to the average latency of each path and the weight value
> + * "latency_interval", the priority "rc" of each path can be provided.
> + *
> + * Author(s): Yang Feng <philip.yang@xxxxxxxxxx>
> + * Zou Ming <zouming.zouming@xxxxxxxxxx>
> + * Guan Junxiong <guanjunxiong@xxxxxxxxxx>
> + *
> + * This file is released under the GPL.
^^^ <-----------
"GPL" is not a licence. The *version* must be specified.
And it would be nice to start using SPDX tags ( https://spdx.org/ )
for new files.
BTW: LFC191 Compliance Basics for Developers course is FREE
https://training.linuxfoundation.org/linux-courses/open-source-compliance-courses/compliance-basics-for-developers
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