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    SubjectRe: [PATCH 2/2] vfs: fix d_path() for unreachable paths
    On Mon, Sep 21, 2009 at 10:43, Al Viro wrote:
    > On Mon, Sep 21, 2009 at 03:38:57PM +0100, Al Viro wrote:
    >> On Mon, Sep 21, 2009 at 10:10:17AM -0400, Mike Frysinger wrote:
    >> > it works without having to copy & paste the same exact structures over
    >> > and over.  a suggestion as how to do it cleanly without bloating the
    >> > code is certainly welcome.  it doesnt really matter that it's on the
    >> > stack as the usage is small and d_path() is given the size of the
    >> > buffer, so it isnt going to overflow.
    > PS: as to why it is broken...  Consider e.g.
    >        mount --bind /proc/cplbinfo/cpu0 /mnt
    >        cat /mnt/icplb
    > Or, better yet,
    >        mount -t proc none /mnt/cpu
    >        cat /mnt/cpu/cplbinfo/cpu0/icplb

    i'm not disagreeing that it doesnt work under all random VFS
    scenarios. just that the realistic ones all work.
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      Last update: 2009-09-21 17:35    [W:0.040 / U:55.568 seconds]
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