Kernel: Use u64 instead of size_t for File::can_write offset

This ensures offsets will not be truncated on large files on i686.

40 files changed, 40 insertions, 40 deletions

diff --git a/Kernel/Bus/VirtIO/ConsolePort.cpp b/Kernel/Bus/VirtIO/ConsolePort.cpp
index e30b227cd4..c484879da9 100644
--- a/Kernel/Bus/VirtIO/ConsolePort.cpp
+++ b/Kernel/Bus/VirtIO/ConsolePort.cpp
@@ -115,7 +115,7 @@ ErrorOr<size_t> ConsolePort::read(OpenFileDescription& desc, u64, UserOrKernelBu
     return bytes_copied;
 }
 
-bool ConsolePort::can_write(const OpenFileDescription&, size_t) const
+bool ConsolePort::can_write(const OpenFileDescription&, u64) const
 {
     return m_console.get_queue(m_transmit_queue).has_free_slots() && m_transmit_buffer->has_space();
 }
diff --git a/Kernel/Bus/VirtIO/ConsolePort.h b/Kernel/Bus/VirtIO/ConsolePort.h
index 44c50f09b9..40797ab397 100644
--- a/Kernel/Bus/VirtIO/ConsolePort.h
+++ b/Kernel/Bus/VirtIO/ConsolePort.h
@@ -39,7 +39,7 @@ private:
 
     virtual bool can_read(const OpenFileDescription&, u64) const override;
     virtual ErrorOr<size_t> read(OpenFileDescription&, u64, UserOrKernelBuffer&, size_t) override;
-    virtual bool can_write(const OpenFileDescription&, size_t) const override;
+    virtual bool can_write(const OpenFileDescription&, u64) const override;
     virtual ErrorOr<size_t> write(OpenFileDescription&, u64, const UserOrKernelBuffer&, size_t) override;
     virtual ErrorOr<NonnullRefPtr<OpenFileDescription>> open(int options) override;
 
diff --git a/Kernel/Devices/Audio/AC97.h b/Kernel/Devices/Audio/AC97.h
index 36ed77190e..56c31acd9e 100644
--- a/Kernel/Devices/Audio/AC97.h
+++ b/Kernel/Devices/Audio/AC97.h
@@ -32,7 +32,7 @@ public:
 
     // ^CharacterDevice
     virtual bool can_read(const OpenFileDescription&, u64) const override { return false; }
-    virtual bool can_write(const OpenFileDescription&, size_t) const override { return true; }
+    virtual bool can_write(const OpenFileDescription&, u64) const override { return true; }
     virtual ErrorOr<void> ioctl(OpenFileDescription&, unsigned, Userspace<void*>) override;
     virtual ErrorOr<size_t> read(OpenFileDescription&, u64, UserOrKernelBuffer&, size_t) override;
     virtual ErrorOr<size_t> write(OpenFileDescription&, u64, const UserOrKernelBuffer&, size_t) override;
diff --git a/Kernel/Devices/Audio/SB16.h b/Kernel/Devices/Audio/SB16.h
index 5331b97847..a5b77dc76b 100644
--- a/Kernel/Devices/Audio/SB16.h
+++ b/Kernel/Devices/Audio/SB16.h
@@ -29,7 +29,7 @@ public:
     virtual bool can_read(const OpenFileDescription&, u64) const override;
     virtual ErrorOr<size_t> read(OpenFileDescription&, u64, UserOrKernelBuffer&, size_t) override;
     virtual ErrorOr<size_t> write(OpenFileDescription&, u64, const UserOrKernelBuffer&, size_t) override;
-    virtual bool can_write(const OpenFileDescription&, size_t) const override { return true; }
+    virtual bool can_write(const OpenFileDescription&, u64) const override { return true; }
 
     virtual StringView purpose() const override { return class_name(); }
 
diff --git a/Kernel/Devices/ConsoleDevice.h b/Kernel/Devices/ConsoleDevice.h
index 192d693f97..7af4d41bb8 100644
--- a/Kernel/Devices/ConsoleDevice.h
+++ b/Kernel/Devices/ConsoleDevice.h
@@ -22,7 +22,7 @@ public:
 
     // ^CharacterDevice
     virtual bool can_read(const Kernel::OpenFileDescription&, u64) const override;
-    virtual bool can_write(const Kernel::OpenFileDescription&, size_t) const override { return true; }
+    virtual bool can_write(const Kernel::OpenFileDescription&, u64) const override { return true; }
     virtual ErrorOr<size_t> read(OpenFileDescription&, u64, Kernel::UserOrKernelBuffer&, size_t) override;
     virtual ErrorOr<size_t> write(OpenFileDescription&, u64, const Kernel::UserOrKernelBuffer&, size_t) override;
     virtual StringView class_name() const override { return "Console"sv; }
diff --git a/Kernel/Devices/DeviceControlDevice.h b/Kernel/Devices/DeviceControlDevice.h
index f192778cfb..8eeb0670f8 100644
--- a/Kernel/Devices/DeviceControlDevice.h
+++ b/Kernel/Devices/DeviceControlDevice.h
@@ -25,7 +25,7 @@ private:
     virtual ErrorOr<size_t> read(OpenFileDescription&, u64, UserOrKernelBuffer&, size_t) override;
     virtual ErrorOr<size_t> write(OpenFileDescription&, u64, const UserOrKernelBuffer&, size_t) override { return Error::from_errno(ENOTSUP); }
     virtual bool can_read(const OpenFileDescription&, u64) const override;
-    virtual bool can_write(const OpenFileDescription&, size_t) const override { return false; }
+    virtual bool can_write(const OpenFileDescription&, u64) const override { return false; }
     virtual StringView class_name() const override { return "DeviceControlDevice"sv; }
 };
 
diff --git a/Kernel/Devices/FullDevice.h b/Kernel/Devices/FullDevice.h
index 44bf07c75f..2206f789d2 100644
--- a/Kernel/Devices/FullDevice.h
+++ b/Kernel/Devices/FullDevice.h
@@ -24,7 +24,7 @@ private:
     virtual ErrorOr<size_t> read(OpenFileDescription&, u64, UserOrKernelBuffer&, size_t) override;
     virtual ErrorOr<size_t> write(OpenFileDescription&, u64, const UserOrKernelBuffer&, size_t) override;
     virtual bool can_read(const OpenFileDescription&, u64) const override;
-    virtual bool can_write(const OpenFileDescription&, size_t) const override { return true; }
+    virtual bool can_write(const OpenFileDescription&, u64) const override { return true; }
     virtual StringView class_name() const override { return "FullDevice"sv; }
 };
 
diff --git a/Kernel/Devices/HID/KeyboardDevice.h b/Kernel/Devices/HID/KeyboardDevice.h
index 4b865ba09f..b96343535e 100644
--- a/Kernel/Devices/HID/KeyboardDevice.h
+++ b/Kernel/Devices/HID/KeyboardDevice.h
@@ -28,7 +28,7 @@ public:
     virtual ErrorOr<size_t> read(OpenFileDescription&, u64, UserOrKernelBuffer&, size_t) override;
     virtual bool can_read(const OpenFileDescription&, u64) const override;
     virtual ErrorOr<size_t> write(OpenFileDescription&, u64, const UserOrKernelBuffer&, size_t) override { return EINVAL; }
-    virtual bool can_write(const OpenFileDescription&, size_t) const override { return true; }
+    virtual bool can_write(const OpenFileDescription&, u64) const override { return true; }
 
     // ^HIDDevice
     virtual Type instrument_type() const override { return Type::Keyboard; }
diff --git a/Kernel/Devices/HID/MouseDevice.h b/Kernel/Devices/HID/MouseDevice.h
index a39f2cb014..d80d4fcce3 100644
--- a/Kernel/Devices/HID/MouseDevice.h
+++ b/Kernel/Devices/HID/MouseDevice.h
@@ -26,7 +26,7 @@ public:
     virtual ErrorOr<size_t> read(OpenFileDescription&, u64, UserOrKernelBuffer&, size_t) override;
     virtual bool can_read(const OpenFileDescription&, u64) const override;
     virtual ErrorOr<size_t> write(OpenFileDescription&, u64, const UserOrKernelBuffer&, size_t) override { return EINVAL; }
-    virtual bool can_write(const OpenFileDescription&, size_t) const override { return true; }
+    virtual bool can_write(const OpenFileDescription&, u64) const override { return true; }
 
     // ^HIDDevice
     virtual Type instrument_type() const override { return Type::Mouse; }
diff --git a/Kernel/Devices/KCOVDevice.h b/Kernel/Devices/KCOVDevice.h
index c8eebf8c31..8d2af84c92 100644
--- a/Kernel/Devices/KCOVDevice.h
+++ b/Kernel/Devices/KCOVDevice.h
@@ -31,7 +31,7 @@ protected:
     virtual StringView class_name() const override { return "KCOVDevice"sv; }
 
     virtual bool can_read(const OpenFileDescription&, u64) const override final { return true; }
-    virtual bool can_write(const OpenFileDescription&, size_t) const override final { return true; }
+    virtual bool can_write(const OpenFileDescription&, u64) const override final { return true; }
     virtual void start_request(AsyncBlockDeviceRequest& request) override final { request.complete(AsyncDeviceRequest::Failure); }
     virtual ErrorOr<size_t> read(OpenFileDescription&, u64, UserOrKernelBuffer&, size_t) override { return EINVAL; }
     virtual ErrorOr<size_t> write(OpenFileDescription&, u64, const UserOrKernelBuffer&, size_t) override { return EINVAL; }
diff --git a/Kernel/Devices/MemoryDevice.h b/Kernel/Devices/MemoryDevice.h
index a311d6561b..2efa9614a0 100644
--- a/Kernel/Devices/MemoryDevice.h
+++ b/Kernel/Devices/MemoryDevice.h
@@ -26,7 +26,7 @@ private:
 
     virtual StringView class_name() const override { return "MemoryDevice"sv; }
     virtual bool can_read(const OpenFileDescription&, u64) const override { return true; }
-    virtual bool can_write(const OpenFileDescription&, size_t) const override { return false; }
+    virtual bool can_write(const OpenFileDescription&, u64) const override { return false; }
     virtual bool is_seekable() const override { return true; }
     virtual ErrorOr<size_t> read(OpenFileDescription&, u64, UserOrKernelBuffer&, size_t) override;
     virtual ErrorOr<size_t> write(OpenFileDescription&, u64, const UserOrKernelBuffer&, size_t) override { return EINVAL; }
diff --git a/Kernel/Devices/NullDevice.h b/Kernel/Devices/NullDevice.h
index 5668bccbe6..a906fba13d 100644
--- a/Kernel/Devices/NullDevice.h
+++ b/Kernel/Devices/NullDevice.h
@@ -23,7 +23,7 @@ private:
     // ^CharacterDevice
     virtual ErrorOr<size_t> read(OpenFileDescription&, u64, UserOrKernelBuffer&, size_t) override;
     virtual ErrorOr<size_t> write(OpenFileDescription&, u64, const UserOrKernelBuffer&, size_t) override;
-    virtual bool can_write(const OpenFileDescription&, size_t) const override { return true; }
+    virtual bool can_write(const OpenFileDescription&, u64) const override { return true; }
     virtual bool can_read(const OpenFileDescription&, u64) const override;
     virtual StringView class_name() const override { return "NullDevice"sv; }
     virtual bool is_seekable() const override { return true; }
diff --git a/Kernel/Devices/RandomDevice.h b/Kernel/Devices/RandomDevice.h
index d9e8799960..93f523a3ea 100644
--- a/Kernel/Devices/RandomDevice.h
+++ b/Kernel/Devices/RandomDevice.h
@@ -24,7 +24,7 @@ private:
     virtual ErrorOr<size_t> read(OpenFileDescription&, u64, UserOrKernelBuffer&, size_t) override;
     virtual ErrorOr<size_t> write(OpenFileDescription&, u64, const UserOrKernelBuffer&, size_t) override;
     virtual bool can_read(const OpenFileDescription&, u64) const override;
-    virtual bool can_write(const OpenFileDescription&, size_t) const override { return true; }
+    virtual bool can_write(const OpenFileDescription&, u64) const override { return true; }
     virtual StringView class_name() const override { return "RandomDevice"sv; }
 };
 
diff --git a/Kernel/Devices/SerialDevice.cpp b/Kernel/Devices/SerialDevice.cpp
index 573be81326..65ed9fe49f 100644
--- a/Kernel/Devices/SerialDevice.cpp
+++ b/Kernel/Devices/SerialDevice.cpp
@@ -77,7 +77,7 @@ ErrorOr<size_t> SerialDevice::read(OpenFileDescription&, u64, UserOrKernelBuffer
     });
 }
 
-bool SerialDevice::can_write(const OpenFileDescription&, size_t) const
+bool SerialDevice::can_write(const OpenFileDescription&, u64) const
 {
     return (get_line_status() & EmptyTransmitterHoldingRegister) != 0;
 }
diff --git a/Kernel/Devices/SerialDevice.h b/Kernel/Devices/SerialDevice.h
index e8d78f2410..4da3c7439d 100644
--- a/Kernel/Devices/SerialDevice.h
+++ b/Kernel/Devices/SerialDevice.h
@@ -22,7 +22,7 @@ public:
     // ^CharacterDevice
     virtual bool can_read(const OpenFileDescription&, u64) const override;
     virtual ErrorOr<size_t> read(OpenFileDescription&, u64, UserOrKernelBuffer&, size_t) override;
-    virtual bool can_write(const OpenFileDescription&, size_t) const override;
+    virtual bool can_write(const OpenFileDescription&, u64) const override;
     virtual ErrorOr<size_t> write(OpenFileDescription&, u64, const UserOrKernelBuffer&, size_t) override;
 
     void put_char(char);
diff --git a/Kernel/Devices/ZeroDevice.h b/Kernel/Devices/ZeroDevice.h
index 090fcf97c5..aab5633abf 100644
--- a/Kernel/Devices/ZeroDevice.h
+++ b/Kernel/Devices/ZeroDevice.h
@@ -24,7 +24,7 @@ private:
     virtual ErrorOr<size_t> read(OpenFileDescription&, u64, UserOrKernelBuffer&, size_t) override;
     virtual ErrorOr<size_t> write(OpenFileDescription&, u64, const UserOrKernelBuffer&, size_t) override;
     virtual bool can_read(const OpenFileDescription&, u64) const override;
-    virtual bool can_write(const OpenFileDescription&, size_t) const override { return true; }
+    virtual bool can_write(const OpenFileDescription&, u64) const override { return true; }
     virtual StringView class_name() const override { return "ZeroDevice"sv; }
 };
 
diff --git a/Kernel/FileSystem/AnonymousFile.h b/Kernel/FileSystem/AnonymousFile.h
index e9af0a62e3..4703a87831 100644
--- a/Kernel/FileSystem/AnonymousFile.h
+++ b/Kernel/FileSystem/AnonymousFile.h
@@ -26,7 +26,7 @@ private:
     virtual StringView class_name() const override { return "AnonymousFile"sv; }
     virtual ErrorOr<NonnullOwnPtr<KString>> pseudo_path(const OpenFileDescription&) const override;
     virtual bool can_read(const OpenFileDescription&, u64) const override { return false; }
-    virtual bool can_write(const OpenFileDescription&, size_t) const override { return false; }
+    virtual bool can_write(const OpenFileDescription&, u64) const override { return false; }
     virtual ErrorOr<size_t> read(OpenFileDescription&, u64, UserOrKernelBuffer&, size_t) override { return ENOTSUP; }
     virtual ErrorOr<size_t> write(OpenFileDescription&, u64, const UserOrKernelBuffer&, size_t) override { return ENOTSUP; }
 
diff --git a/Kernel/FileSystem/FIFO.cpp b/Kernel/FileSystem/FIFO.cpp
index a8072f1d8b..a4edad37d9 100644
--- a/Kernel/FileSystem/FIFO.cpp
+++ b/Kernel/FileSystem/FIFO.cpp
@@ -104,7 +104,7 @@ bool FIFO::can_read(const OpenFileDescription&, u64) const
     return !m_buffer->is_empty() || !m_writers;
 }
 
-bool FIFO::can_write(const OpenFileDescription&, size_t) const
+bool FIFO::can_write(const OpenFileDescription&, u64) const
 {
     return m_buffer->space_for_writing() || !m_readers;
 }
diff --git a/Kernel/FileSystem/FIFO.h b/Kernel/FileSystem/FIFO.h
index fe2b125fbd..106cf51080 100644
--- a/Kernel/FileSystem/FIFO.h
+++ b/Kernel/FileSystem/FIFO.h
@@ -44,7 +44,7 @@ private:
     virtual ErrorOr<size_t> read(OpenFileDescription&, u64, UserOrKernelBuffer&, size_t) override;
     virtual ErrorOr<struct stat> stat() const override;
     virtual bool can_read(const OpenFileDescription&, u64) const override;
-    virtual bool can_write(const OpenFileDescription&, size_t) const override;
+    virtual bool can_write(const OpenFileDescription&, u64) const override;
     virtual ErrorOr<NonnullOwnPtr<KString>> pseudo_path(const OpenFileDescription&) const override;
     virtual StringView class_name() const override { return "FIFO"sv; }
     virtual bool is_fifo() const override { return true; }
diff --git a/Kernel/FileSystem/File.h b/Kernel/FileSystem/File.h
index 40677d6fc1..cdc66fd9d8 100644
--- a/Kernel/FileSystem/File.h
+++ b/Kernel/FileSystem/File.h
@@ -82,7 +82,7 @@ public:
     virtual ErrorOr<void> close();
 
     virtual bool can_read(const OpenFileDescription&, u64) const = 0;
-    virtual bool can_write(const OpenFileDescription&, size_t) const = 0;
+    virtual bool can_write(const OpenFileDescription&, u64) const = 0;
 
     virtual ErrorOr<void> attach(OpenFileDescription&);
     virtual void detach(OpenFileDescription&);
diff --git a/Kernel/FileSystem/InodeFile.h b/Kernel/FileSystem/InodeFile.h
index 90508e8b0b..478fe9347d 100644
--- a/Kernel/FileSystem/InodeFile.h
+++ b/Kernel/FileSystem/InodeFile.h
@@ -28,7 +28,7 @@ public:
     Inode& inode() { return *m_inode; }
 
     virtual bool can_read(const OpenFileDescription&, u64) const override { return true; }
-    virtual bool can_write(const OpenFileDescription&, size_t) const override { return true; }
+    virtual bool can_write(const OpenFileDescription&, u64) const override { return true; }
 
     virtual ErrorOr<size_t> read(OpenFileDescription&, u64, UserOrKernelBuffer&, size_t) override;
     virtual ErrorOr<size_t> write(OpenFileDescription&, u64, const UserOrKernelBuffer&, size_t) override;
diff --git a/Kernel/FileSystem/InodeWatcher.h b/Kernel/FileSystem/InodeWatcher.h
index 8c23c0e217..39d80652ab 100644
--- a/Kernel/FileSystem/InodeWatcher.h
+++ b/Kernel/FileSystem/InodeWatcher.h
@@ -47,7 +47,7 @@ public:
     virtual bool can_read(const OpenFileDescription&, u64) const override;
     virtual ErrorOr<size_t> read(OpenFileDescription&, u64, UserOrKernelBuffer&, size_t) override;
     // Can't write to an inode watcher.
-    virtual bool can_write(const OpenFileDescription&, size_t) const override { return true; }
+    virtual bool can_write(const OpenFileDescription&, u64) const override { return true; }
     virtual ErrorOr<size_t> write(OpenFileDescription&, u64, const UserOrKernelBuffer&, size_t) override { return EIO; }
     virtual ErrorOr<void> close() override;
 
diff --git a/Kernel/Graphics/GenericFramebufferDevice.h b/Kernel/Graphics/GenericFramebufferDevice.h
index 197bea761d..6c21041c9f 100644
--- a/Kernel/Graphics/GenericFramebufferDevice.h
+++ b/Kernel/Graphics/GenericFramebufferDevice.h
@@ -34,7 +34,7 @@ public:
 private:
     // ^File
     virtual bool can_read(const OpenFileDescription&, u64) const override final { return true; }
-    virtual bool can_write(const OpenFileDescription&, size_t) const override final { return true; }
+    virtual bool can_write(const OpenFileDescription&, u64) const override final { return true; }
     virtual void start_request(AsyncBlockDeviceRequest& request) override final { request.complete(AsyncDeviceRequest::Failure); }
     virtual ErrorOr<size_t> read(OpenFileDescription&, u64, UserOrKernelBuffer&, size_t) override { return EINVAL; }
     virtual ErrorOr<size_t> write(OpenFileDescription&, u64, const UserOrKernelBuffer&, size_t) override { return EINVAL; }
diff --git a/Kernel/Net/IPv4Socket.cpp b/Kernel/Net/IPv4Socket.cpp
index 9fefdc3c72..9d7342659a 100644
--- a/Kernel/Net/IPv4Socket.cpp
+++ b/Kernel/Net/IPv4Socket.cpp
@@ -170,7 +170,7 @@ bool IPv4Socket::can_read(const OpenFileDescription&, u64) const
     return m_can_read;
 }
 
-bool IPv4Socket::can_write(const OpenFileDescription&, size_t) const
+bool IPv4Socket::can_write(const OpenFileDescription&, u64) const
 {
     return true;
 }
diff --git a/Kernel/Net/IPv4Socket.h b/Kernel/Net/IPv4Socket.h
index 9a04c81ecd..73c77fae53 100644
--- a/Kernel/Net/IPv4Socket.h
+++ b/Kernel/Net/IPv4Socket.h
@@ -38,7 +38,7 @@ public:
     virtual void get_local_address(sockaddr*, socklen_t*) override;
     virtual void get_peer_address(sockaddr*, socklen_t*) override;
     virtual bool can_read(const OpenFileDescription&, u64) const override;
-    virtual bool can_write(const OpenFileDescription&, size_t) const override;
+    virtual bool can_write(const OpenFileDescription&, u64) const override;
     virtual ErrorOr<size_t> sendto(OpenFileDescription&, const UserOrKernelBuffer&, size_t, int, Userspace<const sockaddr*>, socklen_t) override;
     virtual ErrorOr<size_t> recvfrom(OpenFileDescription&, UserOrKernelBuffer&, size_t, int flags, Userspace<sockaddr*>, Userspace<socklen_t*>, Time&) override;
     virtual ErrorOr<void> setsockopt(int level, int option, Userspace<const void*>, socklen_t) override;
diff --git a/Kernel/Net/LocalSocket.cpp b/Kernel/Net/LocalSocket.cpp
index 40fa8dc412..14b84ae98c 100644
--- a/Kernel/Net/LocalSocket.cpp
+++ b/Kernel/Net/LocalSocket.cpp
@@ -280,7 +280,7 @@ bool LocalSocket::has_attached_peer(const OpenFileDescription& description) cons
     return false;
 }
 
-bool LocalSocket::can_write(const OpenFileDescription& description, size_t) const
+bool LocalSocket::can_write(const OpenFileDescription& description, u64) const
 {
     auto role = this->role(description);
     if (role == Role::Accepted)
diff --git a/Kernel/Net/LocalSocket.h b/Kernel/Net/LocalSocket.h
index 94dc7b591c..c9643f7310 100644
--- a/Kernel/Net/LocalSocket.h
+++ b/Kernel/Net/LocalSocket.h
@@ -43,7 +43,7 @@ public:
     virtual ErrorOr<void> attach(OpenFileDescription&) override;
     virtual void detach(OpenFileDescription&) override;
     virtual bool can_read(const OpenFileDescription&, u64) const override;
-    virtual bool can_write(const OpenFileDescription&, size_t) const override;
+    virtual bool can_write(const OpenFileDescription&, u64) const override;
     virtual ErrorOr<size_t> sendto(OpenFileDescription&, const UserOrKernelBuffer&, size_t, int, Userspace<const sockaddr*>, socklen_t) override;
     virtual ErrorOr<size_t> recvfrom(OpenFileDescription&, UserOrKernelBuffer&, size_t, int flags, Userspace<sockaddr*>, Userspace<socklen_t*>, Time&) override;
     virtual ErrorOr<void> getsockopt(OpenFileDescription&, int level, int option, Userspace<void*>, Userspace<socklen_t*>) override;
diff --git a/Kernel/Net/TCPSocket.cpp b/Kernel/Net/TCPSocket.cpp
index 60bb2d949e..fe28a0b45a 100644
--- a/Kernel/Net/TCPSocket.cpp
+++ b/Kernel/Net/TCPSocket.cpp
@@ -614,7 +614,7 @@ void TCPSocket::retransmit_packets()
     });
 }
 
-bool TCPSocket::can_write(const OpenFileDescription& file_description, size_t size) const
+bool TCPSocket::can_write(const OpenFileDescription& file_description, u64 size) const
 {
     if (!IPv4Socket::can_write(file_description, size))
         return false;
diff --git a/Kernel/Net/TCPSocket.h b/Kernel/Net/TCPSocket.h
index 85f4c9ec98..607f0c628e 100644
--- a/Kernel/Net/TCPSocket.h
+++ b/Kernel/Net/TCPSocket.h
@@ -159,7 +159,7 @@ public:
 
     virtual ErrorOr<void> close() override;
 
-    virtual bool can_write(const OpenFileDescription&, size_t) const override;
+    virtual bool can_write(const OpenFileDescription&, u64) const override;
 
     static NetworkOrdered<u16> compute_tcp_checksum(IPv4Address const& source, IPv4Address const& destination, TCPPacket const&, u16 payload_size);
 
diff --git a/Kernel/Storage/Partition/DiskPartition.cpp b/Kernel/Storage/Partition/DiskPartition.cpp
index 2a294033de..77f20ce28a 100644
--- a/Kernel/Storage/Partition/DiskPartition.cpp
+++ b/Kernel/Storage/Partition/DiskPartition.cpp
@@ -68,7 +68,7 @@ ErrorOr<size_t> DiskPartition::write(OpenFileDescription& fd, u64 offset, const
     return m_device.strong_ref()->write(fd, offset + adjust, inbuf, len);
 }
 
-bool DiskPartition::can_write(const OpenFileDescription& fd, size_t offset) const
+bool DiskPartition::can_write(const OpenFileDescription& fd, u64 offset) const
 {
     unsigned adjust = m_metadata.start_block() * block_size();
     dbgln_if(OFFD_DEBUG, "DiskPartition::can_write offset={}, adjust={}", offset, adjust);
diff --git a/Kernel/Storage/Partition/DiskPartition.h b/Kernel/Storage/Partition/DiskPartition.h
index 92412d2c2f..79bdb64fc1 100644
--- a/Kernel/Storage/Partition/DiskPartition.h
+++ b/Kernel/Storage/Partition/DiskPartition.h
@@ -26,7 +26,7 @@ public:
     virtual ErrorOr<size_t> read(OpenFileDescription&, u64, UserOrKernelBuffer&, size_t) override;
     virtual bool can_read(const OpenFileDescription&, u64) const override;
     virtual ErrorOr<size_t> write(OpenFileDescription&, u64, const UserOrKernelBuffer&, size_t) override;
-    virtual bool can_write(const OpenFileDescription&, size_t) const override;
+    virtual bool can_write(const OpenFileDescription&, u64) const override;
 
     const DiskPartitionMetadata& metadata() const;
 
diff --git a/Kernel/Storage/StorageDevice.cpp b/Kernel/Storage/StorageDevice.cpp
index 4624f6c489..54e7defa53 100644
--- a/Kernel/Storage/StorageDevice.cpp
+++ b/Kernel/Storage/StorageDevice.cpp
@@ -180,7 +180,7 @@ StringView StorageDevice::early_storage_name() const
     return m_early_storage_device_name->view();
 }
 
-bool StorageDevice::can_write(const OpenFileDescription&, size_t offset) const
+bool StorageDevice::can_write(const OpenFileDescription&, u64 offset) const
 {
     return offset < (max_addressable_block() * block_size());
 }
diff --git a/Kernel/Storage/StorageDevice.h b/Kernel/Storage/StorageDevice.h
index 53ad1d750e..404551b69c 100644
--- a/Kernel/Storage/StorageDevice.h
+++ b/Kernel/Storage/StorageDevice.h
@@ -40,7 +40,7 @@ public:
     virtual ErrorOr<size_t> read(OpenFileDescription&, u64, UserOrKernelBuffer&, size_t) override;
     virtual bool can_read(const OpenFileDescription&, u64) const override;
     virtual ErrorOr<size_t> write(OpenFileDescription&, u64, const UserOrKernelBuffer&, size_t) override;
-    virtual bool can_write(const OpenFileDescription&, size_t) const override;
+    virtual bool can_write(const OpenFileDescription&, u64) const override;
     virtual void prepare_for_unplug() { m_partitions.clear(); }
 
     // FIXME: Remove this method after figuring out another scheme for naming.
diff --git a/Kernel/TTY/MasterPTY.cpp b/Kernel/TTY/MasterPTY.cpp
index 3ec336bc17..cebb91529d 100644
--- a/Kernel/TTY/MasterPTY.cpp
+++ b/Kernel/TTY/MasterPTY.cpp
@@ -79,7 +79,7 @@ bool MasterPTY::can_read(const OpenFileDescription&, u64) const
     return !m_buffer->is_empty();
 }
 
-bool MasterPTY::can_write(const OpenFileDescription&, size_t) const
+bool MasterPTY::can_write(const OpenFileDescription&, u64) const
 {
     return true;
 }
diff --git a/Kernel/TTY/MasterPTY.h b/Kernel/TTY/MasterPTY.h
index 27eb945d5c..5b5714c6f0 100644
--- a/Kernel/TTY/MasterPTY.h
+++ b/Kernel/TTY/MasterPTY.h
@@ -34,7 +34,7 @@ private:
     virtual ErrorOr<size_t> read(OpenFileDescription&, u64, UserOrKernelBuffer&, size_t) override;
     virtual ErrorOr<size_t> write(OpenFileDescription&, u64, const UserOrKernelBuffer&, size_t) override;
     virtual bool can_read(const OpenFileDescription&, u64) const override;
-    virtual bool can_write(const OpenFileDescription&, size_t) const override;
+    virtual bool can_write(const OpenFileDescription&, u64) const override;
     virtual ErrorOr<void> close() override;
     virtual bool is_master_pty() const override { return true; }
     virtual ErrorOr<void> ioctl(OpenFileDescription&, unsigned request, Userspace<void*> arg) override;
diff --git a/Kernel/TTY/PTYMultiplexer.h b/Kernel/TTY/PTYMultiplexer.h
index e3c395d32f..caac7b0fdd 100644
--- a/Kernel/TTY/PTYMultiplexer.h
+++ b/Kernel/TTY/PTYMultiplexer.h
@@ -27,7 +27,7 @@ public:
     virtual ErrorOr<size_t> read(OpenFileDescription&, u64, UserOrKernelBuffer&, size_t) override { return 0; }
     virtual ErrorOr<size_t> write(OpenFileDescription&, u64, const UserOrKernelBuffer&, size_t) override { return 0; }
     virtual bool can_read(const OpenFileDescription&, u64) const override { return true; }
-    virtual bool can_write(const OpenFileDescription&, size_t) const override { return true; }
+    virtual bool can_write(const OpenFileDescription&, u64) const override { return true; }
 
     void notify_master_destroyed(Badge<MasterPTY>, unsigned index);
 
diff --git a/Kernel/TTY/SlavePTY.cpp b/Kernel/TTY/SlavePTY.cpp
index b5a46daf8d..3c431a4158 100644
--- a/Kernel/TTY/SlavePTY.cpp
+++ b/Kernel/TTY/SlavePTY.cpp
@@ -85,7 +85,7 @@ ErrorOr<size_t> SlavePTY::on_tty_write(const UserOrKernelBuffer& data, size_t si
     return m_master->on_slave_write(data, size);
 }
 
-bool SlavePTY::can_write(const OpenFileDescription&, size_t) const
+bool SlavePTY::can_write(const OpenFileDescription&, u64) const
 {
     return m_master->can_write_from_slave();
 }
diff --git a/Kernel/TTY/SlavePTY.h b/Kernel/TTY/SlavePTY.h
index 1e1cb89177..73e283c38f 100644
--- a/Kernel/TTY/SlavePTY.h
+++ b/Kernel/TTY/SlavePTY.h
@@ -34,7 +34,7 @@ private:
     // ^CharacterDevice
     virtual bool can_read(const OpenFileDescription&, u64) const override;
     virtual ErrorOr<size_t> read(OpenFileDescription&, u64, UserOrKernelBuffer&, size_t) override;
-    virtual bool can_write(const OpenFileDescription&, size_t) const override;
+    virtual bool can_write(const OpenFileDescription&, u64) const override;
     virtual StringView class_name() const override { return "SlavePTY"sv; }
     virtual ErrorOr<void> close() override;
 
diff --git a/Kernel/TTY/TTY.cpp b/Kernel/TTY/TTY.cpp
index 237f10eff4..1703e4b926 100644
--- a/Kernel/TTY/TTY.cpp
+++ b/Kernel/TTY/TTY.cpp
@@ -147,7 +147,7 @@ bool TTY::can_read(const OpenFileDescription&, u64) const
     return !m_input_buffer.is_empty();
 }
 
-bool TTY::can_write(const OpenFileDescription&, size_t) const
+bool TTY::can_write(const OpenFileDescription&, u64) const
 {
     return true;
 }
diff --git a/Kernel/TTY/TTY.h b/Kernel/TTY/TTY.h
index 06dc967b43..1c49b9e1bb 100644
--- a/Kernel/TTY/TTY.h
+++ b/Kernel/TTY/TTY.h
@@ -24,7 +24,7 @@ public:
     virtual ErrorOr<size_t> read(OpenFileDescription&, u64, UserOrKernelBuffer&, size_t) override;
     virtual ErrorOr<size_t> write(OpenFileDescription&, u64, const UserOrKernelBuffer&, size_t) override;
     virtual bool can_read(const OpenFileDescription&, u64) const override;
-    virtual bool can_write(const OpenFileDescription&, size_t) const override;
+    virtual bool can_write(const OpenFileDescription&, u64) const override;
     virtual ErrorOr<void> ioctl(OpenFileDescription&, unsigned request, Userspace<void*> arg) override final;
     virtual ErrorOr<NonnullOwnPtr<KString>> pseudo_path(const OpenFileDescription&) const override;