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Date: Tue, 23 Dec 2014 12:45:28 +0200
From: Andriy Gapon <avg@FreeBSD.org>
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To: Konstantin Belousov <kostikbel@gmail.com>
Subject: Re: svn commit: r276008 - in head/sys: kern sys
References: <201412211332.sBLDW8VC030548@svn.freebsd.org>
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Cc: svn-src-head@FreeBSD.org, svn-src-all@FreeBSD.org,
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 Rui Paulo <rpaulo@me.com>
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On 23/12/2014 11:46, Konstantin Belousov wrote:
> On Tue, Dec 23, 2014 at 10:18:43AM +0200, Andriy Gapon wrote:
>> Hmm, I mean that given this code:
>>
>>         flags = O_CREAT | FWRITE | O_NOFOLLOW;
>>         NDINIT(&nd, LOOKUP, NOFOLLOW, UIO_SYSSPACE, name, td);
>>         error = vn_open_cred(&nd, &flags, cmode, oflags, td->td_ucred, NULL);
>>
>> 'name' is the name, right?  Can we keep and use it?
> No, not right. It is the name used for resolution using namei(), while
> the path obtained from vn_fullpath() is passed to usermode. For 'name'
> to be useful, it must be used in exactly the same lookup environment,
> i.e. cwd/root dir at al should be the same.

I see now. Thanks!

-- 
Andriy Gapon