Re: [PATCH v2 05/16] overlayfs: Use ovl_override_creds_light()/revert_creds_light()

[Vinicius Costa Gomes]

Miklos Szeredi <miklos@xxxxxxxxxx> writes:

> On Thu, 22 Aug 2024 at 03:25, Vinicius Costa Gomes
> <vinicius.gomes@xxxxxxxxx> wrote:
>>
>> Convert to use ovl_override_creds_light()/revert_creds_light(), these
>> functions assume that the critical section won't modify the usage
>> counter of the credentials in question.
>>
>> In most overlayfs instances, the credentials lifetime is the duration
>
> Why most instances?  AFAICS the creds have the same lifetime as the
> overlayfs superblock.
>

I may be reading the code wrong, but on file creation some of the
credentials that are worked on come from the task(?).


Cheers,
-- 
Vinicius