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The Storage subsystem, like the Audio and HID subsystems, exposes Unix
device files (for example, in the /dev directory). To ensure consistency
across the repository, we should make the Storage subsystem to reside in
the Kernel/Devices directory like the two other mentioned subsystems.
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We can't do I/O with a const StorageDevice&, so it has to be non-const.
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As usual, this removes many unused includes and moves used includes
further down the chain.
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Otherwise, we end up propagating those dependencies into targets that
link against that library, which creates unnecessary link-time
dependencies.
Also included are changes to readd now missing dependencies to tools
that actually need them.
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Previously, end block was inconsistent. GUIDPartitionTable treated
end block as an inclusive bound, while MBRPartitionTable and
EBRPartitionTable treated end block as an exclusive bound.
Now all three treat end block as an inclusive upper bound.
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Previously, PartitionTable was constructed using a Kernel::StorageDevice
making it only usable in the kernel. This commit adds a new constructor
that takes a Core::File instead, making it usable in userland as well.
This also adds the m_block_size field which stores the block size of the
underlying device obtained by calling StorageDevice::block_size() in the
kernel or by using the STORAGE_DEVICE_GET_BLOCK_SIZE ioctl in userland.
This avoids the need for an #ifdef every time block size is needed.
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This commit creates a new library LibPartition which will contain
partition related code sharable between Kernel and Userland and
includes DiskPartitionMetadata as the first shared class.
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