From 2ae7a868b867289b9591d662972f559d412315c3 Mon Sep 17 00:00:00 2001 From: Lukas Oesch Date: Tue, 3 Mar 2026 14:11:49 +0100 Subject: refactoring read and write block calculations --- kernel/devices/src/BlockDevice.cpp | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) (limited to 'kernel/devices/src/BlockDevice.cpp') diff --git a/kernel/devices/src/BlockDevice.cpp b/kernel/devices/src/BlockDevice.cpp index 6d43073..edc0109 100644 --- a/kernel/devices/src/BlockDevice.cpp +++ b/kernel/devices/src/BlockDevice.cpp @@ -6,7 +6,19 @@ namespace devices { - block_device::block_device(size_t major, size_t minor) + block_device::block_device(size_t major, size_t minor, size_t block_size) : device(major, minor) + , m_block_size(block_size) {} + + auto block_device::calculate_transfer(size_t block_index) const -> transfer_info + { + size_t const offset = block_index * m_block_size; + size_t const limit = size(); + + size_t const available = (offset < limit) ? (limit - offset) : 0; + size_t const to_transfer = (available < m_block_size) ? available : m_block_size; + + return {offset, to_transfer, m_block_size - to_transfer}; + } } // namespace devices \ No newline at end of file -- cgit v1.2.3