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Re: [PATCH]cp --recursive fails unnecessarily when the names of the latt
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From: |
Li Zefan |
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Subject: |
Re: [PATCH]cp --recursive fails unnecessarily when the names of the latter approach become very long |
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Date: |
Wed, 05 Dec 2007 16:58:29 +0800 |
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User-agent: |
Thunderbird 2.0.0.0 (X11/20070419) |
Cai Xianchao 写道:
> hi,
>
> The file TODO described a bug of cp (package:coreutils-6.9):
> "cp --recursive: perform dir traversals in source and dest hierarchy
> rather than forming full file names. The latter (current) approach
> fails unnecessarily when the names become very long."
>
> We find that if the length of file name is not shorter than PATH_MAX,
> it will fail.
>
> Now, we have solved the problem by using the *at functions which were
> added to linux in kernel 2.6.16. If the kernel is older than 2.6.16,
> cp will run the same as before.
>
> The attachment is the patch.
>
> Signed-off-by: Cai Xianchao <address@hidden>
> Signed-off-by: Wen Congyang <address@hidden>
> Signed-off-by: Bian Naimeng <address@hidden>
> Signed-off-by: Zhou Mingying <address@hidden>
>
>
Hmm, the patch can't be applied, you should rebase your patch against
the newest development tree.
Li Zefan