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Searched refs:rwb (Results 1 – 2 of 2) sorted by relevance

/linux/block/
H A Dblk-wbt.c96 static int wbt_init(struct gendisk *disk, struct rq_wb *rwb);
148 static inline bool rwb_enabled(struct rq_wb *rwb) in rwb_enabled() argument
150 return rwb && rwb->enable_state != WBT_STATE_OFF_DEFAULT && in rwb_enabled()
151 rwb->enable_state != WBT_STATE_OFF_MANUAL; in rwb_enabled()
154 static void wb_timestamp(struct rq_wb *rwb, unsigned long *var) in wb_timestamp() argument
156 if (rwb_enabled(rwb)) { in wb_timestamp()
168 static bool wb_recent_wait(struct rq_wb *rwb) in wb_recent_wait() argument
170 struct backing_dev_info *bdi = rwb->rqos.disk->bdi; in wb_recent_wait()
175 static inline struct rq_wait *get_rq_wait(struct rq_wb *rwb, in get_rq_wait() argument
179 return &rwb->rq_wait[WBT_RWQ_SWAP]; in get_rq_wait()
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/linux/include/linux/
H A Drwbase_rt.h29 static __always_inline bool rw_base_is_locked(const struct rwbase_rt *rwb) in rw_base_is_locked() argument
31 return atomic_read(&rwb->readers) != READER_BIAS; in rw_base_is_locked()
34 static __always_inline bool rw_base_is_write_locked(const struct rwbase_rt *rwb) in rw_base_is_write_locked() argument
36 return atomic_read(&rwb->readers) == WRITER_BIAS; in rw_base_is_write_locked()
39 static __always_inline bool rw_base_is_contended(const struct rwbase_rt *rwb) in rw_base_is_contended() argument
41 return atomic_read(&rwb->readers) > 0; in rw_base_is_contended()