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    SubjectRe: [PATCH 1/3] revoke: misc fixes
    On 3/16/07, Nick Piggin <nickpiggin@yahoo.com.au> wrote:
    > Also, a down_write_trylock attempt inside i_mmap_lock should be a valid
    > optimisation.

    I am not sure what you're thinking here. down_write_trylock acquires
    ->mmap_sem which can deadlock with ->i_mmap_lock, no?
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