380 static int io_ctl_init(struct btrfs_io_ctl *io_ctl, struct inode *inode,  in io_ctl_init()
391 	memset(io_ctl, 0, sizeof(struct btrfs_io_ctl));  in io_ctl_init()
405 static void io_ctl_free(struct btrfs_io_ctl *io_ctl)  in io_ctl_free()
411 static void io_ctl_unmap_page(struct btrfs_io_ctl *io_ctl)  in io_ctl_unmap_page()
419 static void io_ctl_map_page(struct btrfs_io_ctl *io_ctl, int clear)  in io_ctl_map_page()
430 static void io_ctl_drop_pages(struct btrfs_io_ctl *io_ctl)  in io_ctl_drop_pages()
448 static int io_ctl_prepare_pages(struct btrfs_io_ctl *io_ctl, bool uptodate)  in io_ctl_prepare_pages()
497 static void io_ctl_set_generation(struct btrfs_io_ctl *io_ctl, u64 generation)  in io_ctl_set_generation()
512 static int io_ctl_check_generation(struct btrfs_io_ctl *io_ctl, u64 generation)  in io_ctl_check_generation()
535 static void io_ctl_set_crc(struct btrfs_io_ctl *io_ctl, int index)  in io_ctl_set_crc()
552 static int io_ctl_check_crc(struct btrfs_io_ctl *io_ctl, int index)  in io_ctl_check_crc()
578 static int io_ctl_add_entry(struct btrfs_io_ctl *io_ctl, u64 offset, u64 bytes,  in io_ctl_add_entry()
608 static int io_ctl_add_bitmap(struct btrfs_io_ctl *io_ctl, void *bitmap)  in io_ctl_add_bitmap()
631 static void io_ctl_zero_remaining_pages(struct btrfs_io_ctl *io_ctl)  in io_ctl_zero_remaining_pages()
648 static int io_ctl_read_entry(struct btrfs_io_ctl *io_ctl,  in io_ctl_read_entry()
675 static int io_ctl_read_bitmap(struct btrfs_io_ctl *io_ctl,  in io_ctl_read_bitmap()
741 	struct btrfs_io_ctl io_ctl;  in __load_free_space_cache()
1070 int write_cache_extent_entries(struct btrfs_io_ctl *io_ctl,  in write_cache_extent_entries()
1201 			    struct btrfs_io_ctl *io_ctl,  in write_pinned_extent_entries()
1249 write_bitmap_entries(struct btrfs_io_ctl *io_ctl, struct list_head *bitmap_list)  in write_bitmap_entries()
1288 			   struct btrfs_io_ctl *io_ctl,  in cleanup_write_cache_enospc()
1299 				 struct btrfs_io_ctl *io_ctl,  in __btrfs_wait_cache_io()
1379 				   struct btrfs_io_ctl *io_ctl,  in __btrfs_write_out_cache()