Messages in this thread | | | From | Miklos Szeredi <> | Date | Wed, 7 Feb 2024 13:19:46 +0100 | Subject | Re: [Lsf-pc] [LSF/MM/BPF TOPIC] tracing the source of errors |
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On Wed, 7 Feb 2024 at 13:00, Matthew Wilcox <willy@infradead.org> wrote:
> To be perfectly clear, you're suggesting two things. > > Option (a) change "all" code like this: > - ret = -EINVAL; > + ret = -ERR(EINVAL); > > where ERR would do some magic with __func__ and __LINE__. > > Option (b) > > -#define EINVAL 22 > +#define E_INVAL 22 > +#define EINVAL ERR(E_INVAL) > > and then change all code that does something like: > > if (err == -EINVAL) > to > if (err == -E_INVAL) > > Or have I misunderstood?
Something like that, yes.
Thanks, Miklos
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