Re: [PATCH] drm/nouveau/debugfs: Simplify character output in nouveau_debugfs_vbios_image()

From: Markus Elfring
Date: Wed Jul 24 2024 - 05:31:21 EST


>> Is there some reason this whole thing isn't just
>>
>> seq_write(m, drm->vbios.data, drm->vbios.length)

> I don't know if my answer is relevant or not here but:
>     for () seq_putc();    ==> will fill 'm' with everything that fits in

I find such a discussion approach strange.


> and
>     seq_write()        ==> is all or nothing. So if 'm' is too small, then nothing will be appended.

The clarification can become more interesting for this system detail.
https://elixir.bootlin.com/linux/v6.10/source/fs/seq_file.c#L816

Was the sequence size (or the file capacity) appropriately configured?

Regards,
Markus