15 static inline u64 sector_to_bucket(const struct bch_dev *ca, sector_t s)  in sector_to_bucket()  argument
17 	return div_u64(s, ca->mi.bucket_size);  in sector_to_bucket()
20 static inline sector_t bucket_to_sector(const struct bch_dev *ca, size_t b)  in bucket_to_sector()  argument
22 	return ((sector_t) b) * ca->mi.bucket_size;  in bucket_to_sector()
25 static inline sector_t bucket_remainder(const struct bch_dev *ca, sector_t s)  in bucket_remainder()  argument
29 	div_u64_rem(s, ca->mi.bucket_size, &remainder);  in bucket_remainder()
33 static inline u64 sector_to_bucket_and_offset(const struct bch_dev *ca, sector_t s, u32 *offset)  in sector_to_bucket_and_offset()  argument
35 	return div_u64_rem(s, ca->mi.bucket_size, offset);  in sector_to_bucket_and_offset()
83 static inline struct bucket *gc_bucket(struct bch_dev *ca, size_t b)  in gc_bucket()  argument
85 	return genradix_ptr(&ca->buckets_gc, b);  in gc_bucket()
88 static inline struct bucket_gens *bucket_gens(struct bch_dev *ca)  in bucket_gens()  argument
90 	return rcu_dereference_check(ca->bucket_gens,  in bucket_gens()
91 				     !ca->fs ||  in bucket_gens()
92 				     percpu_rwsem_is_held(&ca->fs->mark_lock) ||  in bucket_gens()
93 				     lockdep_is_held(&ca->fs->state_lock) ||  in bucket_gens()
94 				     lockdep_is_held(&ca->bucket_lock));  in bucket_gens()
97 static inline u8 *bucket_gen(struct bch_dev *ca, size_t b)  in bucket_gen()  argument
99 	struct bucket_gens *gens = bucket_gens(ca);  in bucket_gen()
106 static inline int bucket_gen_get_rcu(struct bch_dev *ca, size_t b)  in bucket_gen_get_rcu()  argument
108 	u8 *gen = bucket_gen(ca, b);  in bucket_gen_get_rcu()
112 static inline int bucket_gen_get(struct bch_dev *ca, size_t b)  in bucket_gen_get()  argument
115 	int ret = bucket_gen_get_rcu(ca, b);  in bucket_gen_get()
120 static inline size_t PTR_BUCKET_NR(const struct bch_dev *ca,  in PTR_BUCKET_NR()  argument
123 	return sector_to_bucket(ca, ptr->offset);  in PTR_BUCKET_NR()
126 static inline struct bpos PTR_BUCKET_POS(const struct bch_dev *ca,  in PTR_BUCKET_POS()  argument
129 	return POS(ptr->dev, PTR_BUCKET_NR(ca, ptr));  in PTR_BUCKET_POS()
132 static inline struct bpos PTR_BUCKET_POS_OFFSET(const struct bch_dev *ca,  in PTR_BUCKET_POS_OFFSET()  argument
136 	return POS(ptr->dev, sector_to_bucket_and_offset(ca, ptr->offset, bucket_offset));  in PTR_BUCKET_POS_OFFSET()
139 static inline struct bucket *PTR_GC_BUCKET(struct bch_dev *ca,  in PTR_GC_BUCKET()  argument
142 	return gc_bucket(ca, PTR_BUCKET_NR(ca, ptr));  in PTR_GC_BUCKET()
176 static inline int dev_ptr_stale_rcu(struct bch_dev *ca, const struct bch_extent_ptr *ptr)  in dev_ptr_stale_rcu()  argument
178 	int gen = bucket_gen_get_rcu(ca, PTR_BUCKET_NR(ca, ptr));  in dev_ptr_stale_rcu()
186 static inline int dev_ptr_stale(struct bch_dev *ca, const struct bch_extent_ptr *ptr)  in dev_ptr_stale()  argument
189 	int ret = dev_ptr_stale_rcu(ca, ptr);  in dev_ptr_stale()
197 static inline struct bch_dev_usage bch2_dev_usage_read(struct bch_dev *ca)  in bch2_dev_usage_read()  argument
201 	bch2_dev_usage_read_fast(ca, &ret);  in bch2_dev_usage_read()
207 static inline u64 bch2_dev_buckets_reserved(struct bch_dev *ca, enum bch_watermark watermark)  in bch2_dev_buckets_reserved()  argument
215 		reserved += ca->mi.nbuckets >> 6;  in bch2_dev_buckets_reserved()
218 		reserved += ca->mi.nbuckets >> 6;  in bch2_dev_buckets_reserved()
221 		reserved += ca->nr_btree_reserve;  in bch2_dev_buckets_reserved()
224 		reserved += ca->nr_btree_reserve;  in bch2_dev_buckets_reserved()
235 static inline u64 dev_buckets_free(struct bch_dev *ca,  in dev_buckets_free()  argument
241 		     ca->nr_open_buckets -  in dev_buckets_free()
242 		     bch2_dev_buckets_reserved(ca, watermark));  in dev_buckets_free()
245 static inline u64 __dev_buckets_available(struct bch_dev *ca,  in __dev_buckets_available()  argument
254 		     - ca->nr_open_buckets  in __dev_buckets_available()
255 		     - bch2_dev_buckets_reserved(ca, watermark));  in __dev_buckets_available()
258 static inline u64 dev_buckets_available(struct bch_dev *ca,  in dev_buckets_available()  argument
261 	return __dev_buckets_available(ca, bch2_dev_usage_read(ca), watermark);  in dev_buckets_available()
311 static inline bool is_superblock_bucket(struct bch_dev *ca, u64 b)  in is_superblock_bucket()  argument
313 	struct bch_sb_layout *layout = &ca->disk_sb.sb->layout;  in is_superblock_bucket()
314 	u64 b_offset	= bucket_to_sector(ca, b);  in is_superblock_bucket()
315 	u64 b_end	= bucket_to_sector(ca, b + 1);  in is_superblock_bucket()