mirror of https://gitee.com/openkylin/linux.git
seqlock: Remove unused functions
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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@ -69,17 +69,6 @@ static inline void write_sequnlock(seqlock_t *sl)
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spin_unlock(&sl->lock);
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}
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static inline int write_tryseqlock(seqlock_t *sl)
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{
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int ret = spin_trylock(&sl->lock);
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if (ret) {
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++sl->sequence;
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smp_wmb();
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}
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return ret;
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}
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/* Start of read calculation -- fetch last complete writer token */
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static __always_inline unsigned read_seqbegin(const seqlock_t *sl)
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{
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@ -269,14 +258,4 @@ static inline void write_seqcount_barrier(seqcount_t *s)
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#define write_sequnlock_bh(lock) \
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do { write_sequnlock(lock); local_bh_enable(); } while(0)
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#define read_seqbegin_irqsave(lock, flags) \
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({ local_irq_save(flags); read_seqbegin(lock); })
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#define read_seqretry_irqrestore(lock, iv, flags) \
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({ \
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int ret = read_seqretry(lock, iv); \
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local_irq_restore(flags); \
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ret; \
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})
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#endif /* __LINUX_SEQLOCK_H */
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