1960 	u64 page_start;  in btrfs_writepage_fixup_worker()  local
1974 	page_start = page_offset(page);  in btrfs_writepage_fixup_worker()
1977 	lock_extent_bits(&BTRFS_I(inode)->io_tree, page_start, page_end, 0,  in btrfs_writepage_fixup_worker()
1984 	ordered = btrfs_lookup_ordered_extent(inode, page_start);  in btrfs_writepage_fixup_worker()
1986 		unlock_extent_cached(&BTRFS_I(inode)->io_tree, page_start,  in btrfs_writepage_fixup_worker()
1997 		end_extent_writepage(page, ret, page_start, page_end);  in btrfs_writepage_fixup_worker()
2002 	btrfs_set_extent_delalloc(inode, page_start, page_end, &cached_state);  in btrfs_writepage_fixup_worker()
2006 	unlock_extent_cached(&BTRFS_I(inode)->io_tree, page_start, page_end,  in btrfs_writepage_fixup_worker()
4590 	u64 page_start;  in btrfs_truncate_page()  local
4608 	page_start = page_offset(page);  in btrfs_truncate_page()
4609 	page_end = page_start + PAGE_CACHE_SIZE - 1;  in btrfs_truncate_page()
4626 	lock_extent_bits(io_tree, page_start, page_end, 0, &cached_state);  in btrfs_truncate_page()
4629 	ordered = btrfs_lookup_ordered_extent(inode, page_start);  in btrfs_truncate_page()
4631 		unlock_extent_cached(io_tree, page_start, page_end,  in btrfs_truncate_page()
4640 	clear_extent_bit(&BTRFS_I(inode)->io_tree, page_start, page_end,  in btrfs_truncate_page()
4645 	ret = btrfs_set_extent_delalloc(inode, page_start, page_end,  in btrfs_truncate_page()
4648 		unlock_extent_cached(io_tree, page_start, page_end,  in btrfs_truncate_page()
4666 	unlock_extent_cached(io_tree, page_start, page_end, &cached_state,  in btrfs_truncate_page()
8494 	u64 page_start = page_offset(page);  in btrfs_invalidatepage()  local
8495 	u64 page_end = page_start + PAGE_CACHE_SIZE - 1;  in btrfs_invalidatepage()
8514 		lock_extent_bits(tree, page_start, page_end, 0, &cached_state);  in btrfs_invalidatepage()
8515 	ordered = btrfs_lookup_ordered_extent(inode, page_start);  in btrfs_invalidatepage()
8522 			clear_extent_bit(tree, page_start, page_end,  in btrfs_invalidatepage()
8539 			new_len = page_start - ordered->file_offset;  in btrfs_invalidatepage()
8545 							   page_start,  in btrfs_invalidatepage()
8552 			lock_extent_bits(tree, page_start, page_end, 0,  in btrfs_invalidatepage()
8558 		clear_extent_bit(tree, page_start, page_end,  in btrfs_invalidatepage()
8603 	u64 page_start;  in btrfs_page_mkwrite()  local
8626 	page_start = page_offset(page);  in btrfs_page_mkwrite()
8627 	page_end = page_start + PAGE_CACHE_SIZE - 1;  in btrfs_page_mkwrite()
8630 	    (page_start >= size)) {  in btrfs_page_mkwrite()
8636 	lock_extent_bits(io_tree, page_start, page_end, 0, &cached_state);  in btrfs_page_mkwrite()
8643 	ordered = btrfs_lookup_ordered_extent(inode, page_start);  in btrfs_page_mkwrite()
8645 		unlock_extent_cached(io_tree, page_start, page_end,  in btrfs_page_mkwrite()
8660 	clear_extent_bit(&BTRFS_I(inode)->io_tree, page_start, page_end,  in btrfs_page_mkwrite()
8665 	ret = btrfs_set_extent_delalloc(inode, page_start, page_end,  in btrfs_page_mkwrite()
8668 		unlock_extent_cached(io_tree, page_start, page_end,  in btrfs_page_mkwrite()
8676 	if (page_start + PAGE_CACHE_SIZE > size)  in btrfs_page_mkwrite()
8695 	unlock_extent_cached(io_tree, page_start, page_end, &cached_state, GFP_NOFS);  in btrfs_page_mkwrite()