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Diffstat (limited to 'kernel/src/filesystem/device_inode.cpp')
-rw-r--r--kernel/src/filesystem/device_inode.cpp76
1 files changed, 3 insertions, 73 deletions
diff --git a/kernel/src/filesystem/device_inode.cpp b/kernel/src/filesystem/device_inode.cpp
index 64cd6e9..da062fc 100644
--- a/kernel/src/filesystem/device_inode.cpp
+++ b/kernel/src/filesystem/device_inode.cpp
@@ -2,7 +2,7 @@
#include "kapi/system.hpp"
-#include "kernel/devices/block_device.hpp"
+#include "kernel/devices/block_device_utils.hpp"
#include "kernel/devices/device.hpp"
#include "kernel/filesystem/inode.hpp"
@@ -10,7 +10,6 @@
#include <kstd/memory>
#include <kstd/vector>
-#include <algorithm>
#include <cstddef>
namespace filesystem
@@ -29,20 +28,7 @@ namespace filesystem
{
if (m_device->is_block_device())
{
- return process_blocks(offset, size, buffer,
- [](size_t idx, size_t off, size_t len, size_t done, devices::block_device * device,
- std::byte * scratch, void * buffer) {
- auto * out = static_cast<std::byte *>(buffer);
- if (off == 0 && len == device->block_size())
- {
- device->read_block(idx, out + done);
- }
- else
- {
- device->read_block(idx, scratch);
- kstd::libc::memcpy(out + done, scratch + off, len);
- }
- });
+ return devices::block_device_utils::read(m_device, buffer, offset, size);
}
else
{
@@ -54,21 +40,7 @@ namespace filesystem
{
if (m_device->is_block_device())
{
- return process_blocks(offset, size, const_cast<void *>(buffer),
- [](size_t idx, size_t off, size_t len, size_t done, devices::block_device * device,
- std::byte * scratch, void * buffer) {
- auto const * in = static_cast<std::byte const *>(buffer);
- if (off == 0 && len == device->block_size())
- {
- device->write_block(idx, in + done);
- }
- else
- {
- device->read_block(idx, scratch);
- kstd::libc::memcpy(scratch + off, in + done, len);
- device->write_block(idx, scratch);
- }
- });
+ return devices::block_device_utils::write(m_device, buffer, offset, size);
}
else
{
@@ -81,46 +53,4 @@ namespace filesystem
return m_device;
}
- auto device_inode::process_blocks(size_t offset, size_t size, void * buffer, block_op op) const -> size_t
- {
- if (buffer == nullptr)
- {
- kapi::system::panic("[FILESYSTEM] device_file::process_blocks called with null buffer.");
- }
-
- if (size == 0)
- {
- return 0;
- }
-
- auto * block_dev = static_cast<devices::block_device *>(m_device.get());
- if (block_dev == nullptr)
- {
- kapi::system::panic("[FILESYSTEM] device_file: expected block_device.");
- }
-
- size_t const block_size = block_dev->block_size();
- size_t const capacity = block_dev->capacity();
-
- if (offset >= capacity)
- return 0;
- size_t const total_to_process = std::min(size, capacity - offset);
-
- kstd::vector<std::byte> scratch_buffer{block_size};
- auto processed = 0uz;
-
- while (processed < total_to_process)
- {
- size_t const absolute_offset = offset + processed;
- size_t const block_index = absolute_offset / block_size;
- size_t const in_block_offset = absolute_offset % block_size;
- size_t const chunk_size = std::min(total_to_process - processed, block_size - in_block_offset);
-
- op(block_index, in_block_offset, chunk_size, processed, block_dev, scratch_buffer.data(), buffer);
-
- processed += chunk_size;
- }
-
- return processed;
- }
} // namespace filesystem \ No newline at end of file