1975 	u64 page_start;  in btrfs_writepage_fixup_worker()  local
1989 	page_start = page_offset(page);  in btrfs_writepage_fixup_worker()
1992 	lock_extent_bits(&BTRFS_I(inode)->io_tree, page_start, page_end, 0,  in btrfs_writepage_fixup_worker()
1999 	ordered = btrfs_lookup_ordered_extent(inode, page_start);  in btrfs_writepage_fixup_worker()
2001 		unlock_extent_cached(&BTRFS_I(inode)->io_tree, page_start,  in btrfs_writepage_fixup_worker()
2009 	ret = btrfs_delalloc_reserve_space(inode, page_start,  in btrfs_writepage_fixup_worker()
2013 		end_extent_writepage(page, ret, page_start, page_end);  in btrfs_writepage_fixup_worker()
2018 	btrfs_set_extent_delalloc(inode, page_start, page_end, &cached_state);  in btrfs_writepage_fixup_worker()
2022 	unlock_extent_cached(&BTRFS_I(inode)->io_tree, page_start, page_end,  in btrfs_writepage_fixup_worker()
4628 	u64 page_start;  in btrfs_truncate_page()  local
4649 	page_start = page_offset(page);  in btrfs_truncate_page()
4650 	page_end = page_start + PAGE_CACHE_SIZE - 1;  in btrfs_truncate_page()
4667 	lock_extent_bits(io_tree, page_start, page_end, 0, &cached_state);  in btrfs_truncate_page()
4670 	ordered = btrfs_lookup_ordered_extent(inode, page_start);  in btrfs_truncate_page()
4672 		unlock_extent_cached(io_tree, page_start, page_end,  in btrfs_truncate_page()
4681 	clear_extent_bit(&BTRFS_I(inode)->io_tree, page_start, page_end,  in btrfs_truncate_page()
4686 	ret = btrfs_set_extent_delalloc(inode, page_start, page_end,  in btrfs_truncate_page()
4689 		unlock_extent_cached(io_tree, page_start, page_end,  in btrfs_truncate_page()
4707 	unlock_extent_cached(io_tree, page_start, page_end, &cached_state,  in btrfs_truncate_page()
4712 		btrfs_delalloc_release_space(inode, page_start,  in btrfs_truncate_page()
8622 	u64 page_start = page_offset(page);  in btrfs_invalidatepage()  local
8623 	u64 page_end = page_start + PAGE_CACHE_SIZE - 1;  in btrfs_invalidatepage()
8642 		lock_extent_bits(tree, page_start, page_end, 0, &cached_state);  in btrfs_invalidatepage()
8643 	ordered = btrfs_lookup_ordered_extent(inode, page_start);  in btrfs_invalidatepage()
8650 			clear_extent_bit(tree, page_start, page_end,  in btrfs_invalidatepage()
8667 			new_len = page_start - ordered->file_offset;  in btrfs_invalidatepage()
8673 							   page_start,  in btrfs_invalidatepage()
8680 			lock_extent_bits(tree, page_start, page_end, 0,  in btrfs_invalidatepage()
8696 	btrfs_qgroup_free_data(inode, page_start, PAGE_CACHE_SIZE);  in btrfs_invalidatepage()
8698 		clear_extent_bit(tree, page_start, page_end,  in btrfs_invalidatepage()
8743 	u64 page_start;  in btrfs_page_mkwrite()  local
8747 	page_start = page_offset(page);  in btrfs_page_mkwrite()
8748 	page_end = page_start + PAGE_CACHE_SIZE - 1;  in btrfs_page_mkwrite()
8750 	ret = btrfs_delalloc_reserve_space(inode, page_start,  in btrfs_page_mkwrite()
8772 	    (page_start >= size)) {  in btrfs_page_mkwrite()
8778 	lock_extent_bits(io_tree, page_start, page_end, 0, &cached_state);  in btrfs_page_mkwrite()
8785 	ordered = btrfs_lookup_ordered_extent(inode, page_start);  in btrfs_page_mkwrite()
8787 		unlock_extent_cached(io_tree, page_start, page_end,  in btrfs_page_mkwrite()
8802 	clear_extent_bit(&BTRFS_I(inode)->io_tree, page_start, page_end,  in btrfs_page_mkwrite()
8807 	ret = btrfs_set_extent_delalloc(inode, page_start, page_end,  in btrfs_page_mkwrite()
8810 		unlock_extent_cached(io_tree, page_start, page_end,  in btrfs_page_mkwrite()
8818 	if (page_start + PAGE_CACHE_SIZE > size)  in btrfs_page_mkwrite()
8837 	unlock_extent_cached(io_tree, page_start, page_end, &cached_state, GFP_NOFS);  in btrfs_page_mkwrite()
8846 	btrfs_delalloc_release_space(inode, page_start, PAGE_CACHE_SIZE);  in btrfs_page_mkwrite()