1550 	void *mapped_buffer;  in scrub_recheck_block_checksum()  local
1556 		mapped_buffer = kmap_atomic(sblock->pagev[0]->page);  in scrub_recheck_block_checksum()
1557 		h = (struct btrfs_header *)mapped_buffer;  in scrub_recheck_block_checksum()
1573 		mapped_buffer = kmap_atomic(sblock->pagev[0]->page);  in scrub_recheck_block_checksum()
1579 				((u8 *)mapped_buffer) + BTRFS_CSUM_SIZE,  in scrub_recheck_block_checksum()
1582 			crc = btrfs_csum_data(mapped_buffer, crc, PAGE_SIZE);  in scrub_recheck_block_checksum()
1584 		kunmap_atomic(mapped_buffer);  in scrub_recheck_block_checksum()
1590 		mapped_buffer = kmap_atomic(sblock->pagev[page_num]->page);  in scrub_recheck_block_checksum()
1694 		void *mapped_buffer = kmap_atomic(spage->page);  in scrub_write_page_to_dev_replace()  local
1696 		memset(mapped_buffer, 0, PAGE_CACHE_SIZE);  in scrub_write_page_to_dev_replace()
1698 		kunmap_atomic(mapped_buffer);  in scrub_write_page_to_dev_replace()
1909 	void *mapped_buffer;  in scrub_checksum_tree_block()  local
1920 	mapped_buffer = kmap_atomic(page);  in scrub_checksum_tree_block()
1921 	h = (struct btrfs_header *)mapped_buffer;  in scrub_checksum_tree_block()
1945 	p = ((u8 *)mapped_buffer) + BTRFS_CSUM_SIZE;  in scrub_checksum_tree_block()
1951 		kunmap_atomic(mapped_buffer);  in scrub_checksum_tree_block()
1959 		mapped_buffer = kmap_atomic(page);  in scrub_checksum_tree_block()
1961 		p = mapped_buffer;  in scrub_checksum_tree_block()
1978 	void *mapped_buffer;  in scrub_checksum_super()  local
1989 	mapped_buffer = kmap_atomic(page);  in scrub_checksum_super()
1990 	s = (struct btrfs_super_block *)mapped_buffer;  in scrub_checksum_super()
2004 	p = ((u8 *)mapped_buffer) + BTRFS_CSUM_SIZE;  in scrub_checksum_super()
2010 		kunmap_atomic(mapped_buffer);  in scrub_checksum_super()
2018 		mapped_buffer = kmap_atomic(page);  in scrub_checksum_super()
2020 		p = mapped_buffer;  in scrub_checksum_super()