Re: [PATCH] nvme-core: Share code between nvme_wait_ready() and nvme_shutdown_ctrl()

From: Andrey Smirnov
Date: Fri Mar 08 2019 - 13:58:59 EST


On Fri, Mar 8, 2019 at 5:23 AM Christoph Hellwig <hch@xxxxxx> wrote:
>
> On Wed, Feb 06, 2019 at 04:13:12PM -0800, Andrey Smirnov wrote:
> > Code polling NVME_CSTS_SHST_CMPLT in nvme_shutdown_ctrl() is very
> > similar to polling loop in nvme_wait_ready(). Move shared polling loop
> > code into __nvme_wait_ready() and re-implement both
> > nvme_shutdown_ctrl() and nvme_wait_ready() on top of it to avoid code
> > repetition.
>
> Is there any deeper reason why we would want this? It only saves
> 6 lines of code, but makes the functions much harder to read.

No, there's no deeper reason.

Thanks,
Andrey Smirnov