162 btrfs_device_get_##name(const struct btrfs_device *dev)			\
168 		seq = read_seqcount_begin(&dev->data_seqcount);		\
169 		size = dev->name;					\
170 	} while (read_seqcount_retry(&dev->data_seqcount, seq));	\
175 btrfs_device_set_##name(struct btrfs_device *dev, u64 size)		\
178 	write_seqcount_begin(&dev->data_seqcount);			\
179 	dev->name = size;						\
180 	write_seqcount_end(&dev->data_seqcount);			\
186 btrfs_device_get_##name(const struct btrfs_device *dev)			\
191 	size = dev->name;						\
197 btrfs_device_set_##name(struct btrfs_device *dev, u64 size)		\
200 	dev->name = size;						\
206 btrfs_device_get_##name(const struct btrfs_device *dev)			\
208 	return dev->name;						\
212 btrfs_device_set_##name(struct btrfs_device *dev, u64 size)		\
214 	dev->name = size;						\
293 	struct btrfs_device *dev;  member
326 	struct btrfs_device *dev;  member
440 void btrfs_dev_stat_inc_and_print(struct btrfs_device *dev, int index);
467 static inline int btrfs_dev_stats_dirty(struct btrfs_device *dev)  in btrfs_dev_stats_dirty()  argument
469 	return atomic_read(&dev->dev_stats_ccnt);  in btrfs_dev_stats_dirty()
472 static inline void btrfs_dev_stat_inc(struct btrfs_device *dev,  in btrfs_dev_stat_inc()  argument
475 	atomic_inc(dev->dev_stat_values + index);  in btrfs_dev_stat_inc()
477 	atomic_inc(&dev->dev_stats_ccnt);  in btrfs_dev_stat_inc()
480 static inline int btrfs_dev_stat_read(struct btrfs_device *dev,  in btrfs_dev_stat_read()  argument
483 	return atomic_read(dev->dev_stat_values + index);  in btrfs_dev_stat_read()
486 static inline int btrfs_dev_stat_read_and_reset(struct btrfs_device *dev,  in btrfs_dev_stat_read_and_reset()  argument
491 	ret = atomic_xchg(dev->dev_stat_values + index, 0);  in btrfs_dev_stat_read_and_reset()
493 	atomic_inc(&dev->dev_stats_ccnt);  in btrfs_dev_stat_read_and_reset()
497 static inline void btrfs_dev_stat_set(struct btrfs_device *dev,  in btrfs_dev_stat_set()  argument
500 	atomic_set(dev->dev_stat_values + index, val);  in btrfs_dev_stat_set()
502 	atomic_inc(&dev->dev_stats_ccnt);  in btrfs_dev_stat_set()
505 static inline void btrfs_dev_stat_reset(struct btrfs_device *dev,  in btrfs_dev_stat_reset()  argument
508 	btrfs_dev_stat_set(dev, index, 0);  in btrfs_dev_stat_reset()