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#ifdef CONFIG_RWSEM_GENERIC_SPINLOCK
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#ifdef CONFIG_RWSEM_GENERIC_SPINLOCK
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#include  /* use a generic implementation */
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#include  /* use a generic implementation */
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#else
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#else
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/* All arch specific implementations share the same struct */
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/* All arch specific implementations share the same struct */
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struct rw_semaphore {
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struct rw_semaphore {
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	long count;
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	struct list_head wait_list;
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	struct list_head wait_list;
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	long count;
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	raw_spinlock_t wait_lock;
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	raw_spinlock_t wait_lock;
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#ifdef CONFIG_RWSEM_SPIN_ON_OWNER
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#ifdef CONFIG_RWSEM_SPIN_ON_OWNER
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	struct optimistic_spin_queue osq; /* spinner MCS lock */
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	struct optimistic_spin_queue osq; /* spinner MCS lock */
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	/*
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	/*
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	 * Write owner. Used as a speculative check to see
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	 * Write owner. Used as a speculative check to see