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Kernel: Move DiskDevice::block_size() up to BlockDevice

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All block devices should have a block size, after all. This defaults to
PAGE_SIZE if no size is specified.
This commit is contained in:
Andreas Kling 2019-08-21 16:45:52 +02:00
parent 52366e3f02
commit 5de483cfbb
11 changed files with 23 additions and 45 deletions
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6
Kernel/Devices/FileBackedDiskDevice.h
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@ -8,12 +8,11 @@
class FileBackedDiskDevice final : public DiskDevice {
public:
static RefPtr<FileBackedDiskDevice> create(String&& image_path, unsigned block_size);
static RefPtr<FileBackedDiskDevice> create(const String& image_path, size_t block_size);
virtual ~FileBackedDiskDevice() override;
bool is_valid() const { return m_file; }
virtual unsigned block_size() const override;
virtual bool read_block(unsigned index, u8* out) const override;
virtual bool write_block(unsigned index, const u8*) override;
@ -23,10 +22,9 @@ private:
bool read_internal(DiskOffset, unsigned length, u8* out) const;
bool write_internal(DiskOffset, unsigned length, const u8* data);
FileBackedDiskDevice(String&& imagePath, unsigned block_size);
FileBackedDiskDevice(const String& image_path, size_t block_size);
String m_image_path;
FILE* m_file { nullptr };
DiskOffset m_file_length { 0 };
unsigned m_block_size { 0 };
};