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Integrate ext2 from VFS into Kernel.

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This commit is contained in:
Andreas Kling 2018-10-17 10:55:43 +02:00
parent aec8ab0a60
commit 9171521752
45 changed files with 662 additions and 1085 deletions
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14
VirtualFileSystem/DiskDevice.cpp
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@ -8,14 +8,12 @@ DiskDevice::~DiskDevice()
{
}
bool DiskDevice::read(qword offset, unsigned length, byte* out) const
bool DiskDevice::read(DiskOffset offset, unsigned length, byte* out) const
{
ASSERT((offset % blockSize()) == 0);
ASSERT((length % blockSize()) == 0);
qword firstBlock = offset / blockSize();
qword endBlock = (offset + length) / blockSize();
ASSERT(firstBlock <= 0xffffffff);
ASSERT(endBlock <= 0xffffffff);
dword firstBlock = offset / blockSize();
dword endBlock = (offset + length) / blockSize();
byte* outptr = out;
unsigned remainingCount = length;
for (unsigned bi = firstBlock; bi < endBlock; ++bi) {
@ -26,12 +24,12 @@ bool DiskDevice::read(qword offset, unsigned length, byte* out) const
return true;
}
bool DiskDevice::write(qword offset, unsigned length, const byte* in)
bool DiskDevice::write(DiskOffset offset, unsigned length, const byte* in)
{
ASSERT((offset % blockSize()) == 0);
ASSERT((length % blockSize()) == 0);
qword firstBlock = offset / blockSize();
qword endBlock = (offset + length) / blockSize();
dword firstBlock = offset / blockSize();
dword endBlock = (offset + length) / blockSize();
ASSERT(firstBlock <= 0xffffffff);
ASSERT(endBlock <= 0xffffffff);
const byte* inptr = in;