netdev - Re: [PATCH bpf-next] selftests/bpf: copy file using read/write in local storage test

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Message-ID: <20201203183303.zv6aqwqtamkhne4p@ast-mbp>
Date:   Thu, 3 Dec 2020 10:33:03 -0800
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     Stanislav Fomichev <sdf@...gle.com>
Cc:     netdev@...r.kernel.org, bpf@...r.kernel.org, davem@...emloft.net,
        ast@...nel.org, daniel@...earbox.net
Subject: Re: [PATCH bpf-next] selftests/bpf: copy file using read/write in
 local storage test

On Wed, Dec 02, 2020 at 09:49:47AM -0800, Stanislav Fomichev wrote:
> Splice (copy_file_range) doesn't work on all filesystems. I'm running
> test kernels on top of my read-only disk image and it uses plan9 under the
> hood. This prevents test_local_storage from successfully passing.
> 
> There is really no technical reason to use splice, so lets do
> old-school read/write to copy file; this should work in all
> environments.
> 
> Signed-off-by: Stanislav Fomichev <sdf@...gle.com>

Applied, Thanks