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由 Theodore Ts'o 提交于
->s_next_generation is protected by s_next_gen_lock but its usage pattern is very primitive. We don't actually need sequentially increasing new generation numbers, so let's use prandom_u32() instead. Reported-by: NDmitry Monakhov <dmonakhov@openvz.org> Signed-off-by: NTheodore Ts'o <tytso@mit.edu>
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