220 	struct buffer_head *header_bh, *cp_bh;  in nilfs_cpfile_get_checkpoint()  local
235 	ret = nilfs_cpfile_get_checkpoint_block(cpfile, cno, create, &cp_bh);  in nilfs_cpfile_get_checkpoint()
238 	kaddr = kmap(cp_bh->b_page);  in nilfs_cpfile_get_checkpoint()
239 	cp = nilfs_cpfile_block_get_checkpoint(cpfile, cno, cp_bh, kaddr);  in nilfs_cpfile_get_checkpoint()
242 			kunmap(cp_bh->b_page);  in nilfs_cpfile_get_checkpoint()
243 			brelse(cp_bh);  in nilfs_cpfile_get_checkpoint()
250 			nilfs_cpfile_block_add_valid_checkpoints(cpfile, cp_bh,  in nilfs_cpfile_get_checkpoint()
252 		mark_buffer_dirty(cp_bh);  in nilfs_cpfile_get_checkpoint()
265 	*bhp = cp_bh;  in nilfs_cpfile_get_checkpoint()
315 	struct buffer_head *header_bh, *cp_bh;  in nilfs_cpfile_delete_checkpoints()  local
341 		ret = nilfs_cpfile_get_checkpoint_block(cpfile, cno, 0, &cp_bh);  in nilfs_cpfile_delete_checkpoints()
350 		kaddr = kmap_atomic(cp_bh->b_page);  in nilfs_cpfile_delete_checkpoints()
352 			cpfile, cno, cp_bh, kaddr);  in nilfs_cpfile_delete_checkpoints()
364 			mark_buffer_dirty(cp_bh);  in nilfs_cpfile_delete_checkpoints()
369 						cpfile, cp_bh, kaddr, nicps);  in nilfs_cpfile_delete_checkpoints()
373 					brelse(cp_bh);  in nilfs_cpfile_delete_checkpoints()
388 		brelse(cp_bh);  in nilfs_cpfile_delete_checkpoints()
619 	struct buffer_head *header_bh, *curr_bh, *prev_bh, *cp_bh;  in nilfs_cpfile_set_snapshot()  local
632 	ret = nilfs_cpfile_get_checkpoint_block(cpfile, cno, 0, &cp_bh);  in nilfs_cpfile_set_snapshot()
635 	kaddr = kmap_atomic(cp_bh->b_page);  in nilfs_cpfile_set_snapshot()
636 	cp = nilfs_cpfile_block_get_checkpoint(cpfile, cno, cp_bh, kaddr);  in nilfs_cpfile_set_snapshot()
696 	kaddr = kmap_atomic(cp_bh->b_page);  in nilfs_cpfile_set_snapshot()
697 	cp = nilfs_cpfile_block_get_checkpoint(cpfile, cno, cp_bh, kaddr);  in nilfs_cpfile_set_snapshot()
716 	mark_buffer_dirty(cp_bh);  in nilfs_cpfile_set_snapshot()
729 	brelse(cp_bh);  in nilfs_cpfile_set_snapshot()
738 	struct buffer_head *header_bh, *next_bh, *prev_bh, *cp_bh;  in nilfs_cpfile_clear_snapshot()  local
750 	ret = nilfs_cpfile_get_checkpoint_block(cpfile, cno, 0, &cp_bh);  in nilfs_cpfile_clear_snapshot()
753 	kaddr = kmap_atomic(cp_bh->b_page);  in nilfs_cpfile_clear_snapshot()
754 	cp = nilfs_cpfile_block_get_checkpoint(cpfile, cno, cp_bh, kaddr);  in nilfs_cpfile_clear_snapshot()
805 	kaddr = kmap_atomic(cp_bh->b_page);  in nilfs_cpfile_clear_snapshot()
806 	cp = nilfs_cpfile_block_get_checkpoint(cpfile, cno, cp_bh, kaddr);  in nilfs_cpfile_clear_snapshot()
819 	mark_buffer_dirty(cp_bh);  in nilfs_cpfile_clear_snapshot()
832 	brelse(cp_bh);  in nilfs_cpfile_clear_snapshot()