Kernel: Add lock to Disk reads before I forget

kernel/include/kernel/Storage/ATAController.h

@@ -1,6 +1,7 @@
 #pragma once
 
 #include <BAN/Errors.h>
+#include <kernel/SpinLock.h>
 #include <kernel/Storage/StorageController.h>
 
 namespace Kernel
@@ -33,6 +34,7 @@ namespace Kernel
 		char model[41];
 
 		ATABus* bus;
+		SpinLock m_lock;
 
 		friend class ATAController;
 	};

kernel/kernel/Storage/ATAController.cpp

@@ -1,8 +1,7 @@
 #include <kernel/IO.h>
+#include <kernel/LockGuard.h>
 #include <kernel/Storage/ATAController.h>
 
-#include <kernel/kprint.h>
-
 #define ATA_PRIMARY  	0
 #define ATA_SECONDARY	1
 
@@ -189,6 +188,8 @@ namespace Kernel
 		if (lba + sector_count > lba_count)
 			return BAN::Error::from_string("Attempted to read outside of the device boundaries");
 
+		LockGuard _(m_lock);
+
 		if (lba < (1 << 28))
 		{
 			// LBA28

kernel/kernel/kernel.cpp

@@ -106,15 +106,12 @@ extern "C" void kernel_main()
 	MUST(scheduler.add_thread(BAN::Function<void()>(
 		[terminal_driver]
 		{
-			//PCI::get().initialize_controllers();
-
-			//StorageDeviceManager::initialize();
 			if (auto error = VirtualFileSystem::initialize(); error.is_error())
 			{
 				derrorln("{}", error.error());
 				return;
 			}
-			
+
 			auto font_or_error = Font::load("/usr/share/fonts/zap-ext-vga16.psf");
 			if (font_or_error.is_error())
 				dprintln("{}", font_or_error.error());