Re: [PATCH] bpf: Use E2BIG instead of ENOENT

[Tao Chen]

Hi, Alexei, the delete element api of stackmap return E2BIG when the key 
size beyond the buckets size, so i try to keep the same approach. Maybe 
it's not necessary, anyway, thanks for your reply.

在 2023/11/6 下午11:59, Tao Chen 写道:
> ---------- Forwarded message ---------
> 发件人： *Alexei Starovoitov* <alexei.starovoitov@xxxxxxxxx 
> <mailto:alexei.starovoitov@xxxxxxxxx>>
> Date: 2023年11月5日周日 04:54
> Subject: Re: [PATCH] bpf: Use E2BIG instead of ENOENT
> To: Tao Chen <chen.dylane@xxxxxxxxx <mailto:chen.dylane@xxxxxxxxx>>
> Cc: Song Liu <song@xxxxxxxxxx <mailto:song@xxxxxxxxxx>>, Jiri Olsa 
> <jolsa@xxxxxxxxxx <mailto:jolsa@xxxxxxxxxx>>, Alexei Starovoitov 
> <ast@xxxxxxxxxx <mailto:ast@xxxxxxxxxx>>, Daniel Borkmann 
> <daniel@xxxxxxxxxxxxx <mailto:daniel@xxxxxxxxxxxxx>>, Andrii Nakryiko 
> <andrii@xxxxxxxxxx <mailto:andrii@xxxxxxxxxx>>, Yonghong Song 
> <yonghong.song@xxxxxxxxx <mailto:yonghong.song@xxxxxxxxx>>, Martin KaFai 
> Lau <martin.lau@xxxxxxxxx <mailto:martin.lau@xxxxxxxxx>>, John Fastabend 
> <john.fastabend@xxxxxxxxx <mailto:john.fastabend@xxxxxxxxx>>, Hao Luo 
> <haoluo@xxxxxxxxxx <mailto:haoluo@xxxxxxxxxx>>, bpf <bpf@xxxxxxxxxxxxxxx 
> <mailto:bpf@xxxxxxxxxxxxxxx>>, LKML <linux-kernel@xxxxxxxxxxxxxxx 
> <mailto:linux-kernel@xxxxxxxxxxxxxxx>>
>
>
> On Fri, Nov 3, 2023 at 7:44 PM Tao Chen <chen.dylane@xxxxxxxxx 
> <mailto:chen.dylane@xxxxxxxxx>> wrote:
>  >
>  > Use E2BIG instead of ENOENT when the key size beyond the buckets size,
>  > it seems more meaningful.
>
> seems more meaningful?
> Sorry. That's hardly a reason to break someone's code.