135 static int ext4_bh_delay_or_unwritten(handle_t *handle, struct buffer_head *bh);
664 static void ext4_update_bh_state(struct buffer_head *bh, unsigned long flags)  in ext4_update_bh_state()
692 			   struct buffer_head *bh, int flags)  in _ext4_get_block()
746 		   struct buffer_head *bh, int create)  in ext4_get_block()
755 struct buffer_head *ext4_getblk(handle_t *handle, struct inode *inode,  in ext4_getblk()
759 	struct buffer_head *bh;  in ext4_getblk()
812 struct buffer_head *ext4_bread(handle_t *handle, struct inode *inode,  in ext4_bread()
815 	struct buffer_head *bh;  in ext4_bread()
831 			   struct buffer_head *head,  in ext4_walk_page_buffers()
836 				     struct buffer_head *bh))  in ext4_walk_page_buffers()
838 	struct buffer_head *bh;  in ext4_walk_page_buffers()
842 	struct buffer_head *next;  in ext4_walk_page_buffers()
886 				struct buffer_head *bh)  in do_journal_get_write_access()
911 		   struct buffer_head *bh_result, int create);
925 	struct buffer_head *bh, *head, *wait[2], **wait_bh = wait;  in ext4_block_write_begin()
1119 static int write_end_fn(handle_t *handle, struct buffer_head *bh)  in write_end_fn()
1220 	struct buffer_head *head, *bh;  in zero_new_buffers()
1388 	struct buffer_head *head, *bh;  in ext4_da_page_release_reservation()
1527 static int ext4_bh_delay_or_unwritten(handle_t *handle, struct buffer_head *bh)  in ext4_bh_delay_or_unwritten()
1540 			      struct buffer_head *bh)  in ext4_da_map_blocks()
1679 			   struct buffer_head *bh, int create)  in ext4_da_get_block_prep()
1715 static int bget_one(handle_t *handle, struct buffer_head *bh)  in bget_one()
1721 static int bput_one(handle_t *handle, struct buffer_head *bh)  in bput_one()
1732 	struct buffer_head *page_bufs = NULL;  in __ext4_journalled_writepage()
1736 	struct buffer_head *inode_bh = NULL;  in __ext4_journalled_writepage()
1859 	struct buffer_head *page_bufs = NULL;  in ext4_writepage()
1972 				   struct buffer_head *bh)  in mpage_add_bh_to_extent()
2023 				   struct buffer_head *head,  in mpage_process_page_bufs()
2024 				   struct buffer_head *bh,  in mpage_process_page_bufs()
2071 	struct buffer_head *head, *bh;  in mpage_map_and_submit_buffers()
2353 	struct buffer_head *head;  in mpage_prepare_extent_to_map()
2787 	struct buffer_head *bh;  in ext4_da_should_update_i_disksize()
3077 		   struct buffer_head *bh_result, int create)  in ext4_get_block_write()
3086 		   struct buffer_head *bh_result, int create)  in ext4_get_block_write_nolock()
3095 		   struct buffer_head *bh_result, int create)  in ext4_get_block_dax()
3412 	struct buffer_head *bh;  in __ext4_block_zero_page_range()
3920 	struct buffer_head	*bh;  in __ext4_get_inode_loc()
3970 			struct buffer_head *bitmap_bh;  in __ext4_get_inode_loc()
4498 	struct buffer_head *bh = iloc->bh;  in ext4_do_update_inode()
5325 static int ext4_bh_unmapped(handle_t *handle, struct buffer_head *bh)  in ext4_bh_unmapped()