zero_offset       505 fs/btrfs/compression.c 			size_t zero_offset = offset_in_page(isize);
zero_offset       507 fs/btrfs/compression.c 			if (zero_offset) {
zero_offset       509 fs/btrfs/compression.c 				zeros = PAGE_SIZE - zero_offset;
zero_offset       511 fs/btrfs/compression.c 				memset(userpage + zero_offset, 0, zeros);
zero_offset      3093 fs/btrfs/extent_io.c 		size_t zero_offset = offset_in_page(last_byte);
zero_offset      3095 fs/btrfs/extent_io.c 		if (zero_offset) {
zero_offset      3096 fs/btrfs/extent_io.c 			iosize = PAGE_SIZE - zero_offset;
zero_offset      3098 fs/btrfs/extent_io.c 			memset(userpage + zero_offset, 0, iosize);