113 typedef u32 block_t;	/*  typedef
122 	block_t root_reserved_blocks;	/* root reserved blocks */
140 	block_t unusable_cap;		/* Amount of space allowed to be
260 	block_t start_blkaddr;	/* start blockaddr of current segment */
280 	block_t lstart;			/* logical start address */
281 	block_t len;			/* length */
282 	block_t start;			/* actual start address in dev */
289 			block_t lstart;	/* logical start address */
290 			block_t len;	/* length */
291 			block_t start;	/* actual start address in dev */
354 	block_t blkaddr;	/* block address locating the last fsync */
355 	block_t last_dentry;	/* block address locating the last dentry */
608 	block_t m_pblk;
609 	block_t m_lblk;
799 	block_t nat_blkaddr;		/* base disk address of NAT */
855 	block_t	data_blkaddr;		/* block address of the node block */
919 	block_t seg0_blkaddr;		/* block address of 0'th segment */
920 	block_t main_blkaddr;		/* start block address of main area */
921 	block_t ssa_blkaddr;		/* start block address of SSA area */
1054 	block_t new_blkaddr;	/* new block address to be written */
1055 	block_t old_blkaddr;	/* old block address before Cow */
1088 	block_t start_blk;
1089 	block_t end_blk;
1259 	block_t user_block_count;		/* # of user blocks */
1260 	block_t total_valid_block_count;	/* # of valid blocks */
1261 	block_t discard_blks;			/* discard command candidats */
1262 	block_t last_valid_block_count;		/* for recovery */
1263 	block_t reserved_blocks;		/* configurable reserved blocks */
1264 	block_t current_reserved_blocks;	/* current reserved blocks */
1267 	block_t unusable_block_count;		/* # of blocks saved by last cp */
1733 	block_t xattr_block = F2FS_I(inode)->i_xattr_nid ? 1 : 0;  in F2FS_HAS_BLOCKS()
1762 static inline void f2fs_i_blocks_write(struct inode *, block_t, bool, bool);
1767 	block_t avail_user_block_count;  in inc_valid_block_count()
1787 	sbi->total_valid_block_count += (block_t)(*count);  in inc_valid_block_count()
1843 						block_t count)  in dec_valid_block_count()
1848 	f2fs_bug_on(sbi, sbi->total_valid_block_count < (block_t) count);  in dec_valid_block_count()
1849 	sbi->total_valid_block_count -= (block_t)count;  in dec_valid_block_count()
1924 static inline block_t valid_user_blocks(struct f2fs_sb_info *sbi)  in valid_user_blocks()
1929 static inline block_t discard_blocks(struct f2fs_sb_info *sbi)  in discard_blocks()
1947 static inline block_t __cp_payload(struct f2fs_sb_info *sbi)  in __cp_payload()
1979 static inline block_t __start_cp_addr(struct f2fs_sb_info *sbi)  in __start_cp_addr()
1981 	block_t start_addr = le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_blkaddr);  in __start_cp_addr()
1988 static inline block_t __start_cp_next_addr(struct f2fs_sb_info *sbi)  in __start_cp_next_addr()
1990 	block_t start_addr = le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_blkaddr);  in __start_cp_next_addr()
2002 static inline block_t __start_sum_addr(struct f2fs_sb_info *sbi)  in __start_sum_addr()
2010 	block_t	valid_block_count;  in inc_valid_node_count()
2284 static inline block_t datablock_addr(struct inode *inode,  in datablock_addr()
2496 					block_t diff, bool add, bool claim)  in f2fs_i_blocks_write()
2874 					block_t blkaddr, int type);
2876 					block_t blkaddr, int type)  in verify_blkaddr()
2885 static inline bool __is_valid_data_blkaddr(block_t blkaddr)  in __is_valid_data_blkaddr()
3091 void f2fs_invalidate_blocks(struct f2fs_sb_info *sbi, block_t addr);
3092 bool f2fs_is_checkpointed_data(struct f2fs_sb_info *sbi, block_t blkaddr);
3099 block_t f2fs_get_unusable_blocks(struct f2fs_sb_info *sbi);
3100 int f2fs_disable_cp_again(struct f2fs_sb_info *sbi, block_t unusable);
3111 					block_t blk_addr);
3119 			block_t old_blkaddr, block_t new_blkaddr,
3122 			block_t old_addr, block_t new_addr,
3126 			block_t old_blkaddr, block_t *new_blkaddr,
3131 void f2fs_wait_on_block_writeback(struct inode *inode, block_t blkaddr);
3132 void f2fs_wait_on_block_writeback_range(struct inode *inode, block_t blkaddr,
3133 								block_t len);
3134 void f2fs_write_data_summaries(struct f2fs_sb_info *sbi, block_t start_blk);
3135 void f2fs_write_node_summaries(struct f2fs_sb_info *sbi, block_t start_blk);
3156 					block_t blkaddr, int type);
3157 int f2fs_ra_meta_pages(struct f2fs_sb_info *sbi, block_t start, int nrpages,
3200 			block_t blk_addr, struct bio *bio);
3201 int f2fs_target_device_index(struct f2fs_sb_info *sbi, block_t blkaddr);
3203 void f2fs_update_data_blkaddr(struct dnode_of_data *dn, block_t blkaddr);
3239 block_t f2fs_start_bidx_of_node(unsigned int node_ofs, struct inode *inode);
3544 			pgoff_t fofs, block_t blkaddr, unsigned int len);
3606 				    block_t blkaddr)  in f2fs_blkz_is_seq()