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Message-ID: <15730.17171.162970.367575@charged.uio.no>
Date: Sun, 1 Sep 2002 18:40:51 +0200
To: Luca Barbieri <ldb@ldb.ods.org>
Cc: Linus Torvalds <torvalds@transmeta.com>,
       Linux FSdevel <linux-fsdevel@vger.kernel.org>,
       Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] Initial support for struct vfs_cred   [0/1]
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Reply-To: trond.myklebust@fys.uio.no
From: Trond Myklebust <trond.myklebust@fys.uio.no>
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>>>>> " " == Luca Barbieri <ldb@ldb.ods.org> writes:

    >> You are forgetting that the fscred might simultaneously be
    >> referenced by an open struct file. Are you saying that this
    >> file should suddenly see its credential change?
     > No, it cannot be referenced by an open struct file because you
     > copy the structure, not pointers to it.

So you are proposing to optimize for the rare case of setuid(),
instead of the more common case of file open()?

Cheers,
  Trond
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