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    SubjectRe: [Patch] pipe: use file_update_time() when hold i_mutex
    Andrew Morton wrote:
    > On Mon, 6 Jul 2009 01:35:30 -0400
    > Amerigo Wang <amwang@redhat.com> wrote:
    >
    >
    >> file_update_time() should be called with i_mutex held,
    >> move it before mutex_unlock().
    >>
    >>
    >
    > Why do you believe that file_update_time() needs i_mutex?
    >
    file_update_time() modifies inode, no? :)



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