Kernel: Make device generate their own names

Besides removing the monolithic DevFSDeviceInode::determine_name()
method, being able to determine a device's name inside the /dev
hierarchy outside of DevFS has its uses.

1 files changed, 7 insertions, 0 deletions

diff --git a/Kernel/Storage/PATADiskDevice.cpp b/Kernel/Storage/PATADiskDevice.cpp
index 21ee558eef..8065585902 100644
--- a/Kernel/Storage/PATADiskDevice.cpp
+++ b/Kernel/Storage/PATADiskDevice.cpp
@@ -65,6 +65,13 @@ void PATADiskDevice::start_request(AsyncBlockDeviceRequest& request)
     m_channel.start_request(request, use_dma, is_slave());
 }
 
+String PATADiskDevice::device_name() const
+{
+    // FIXME: Try to not hardcode a maximum of 16 partitions per drive!
+    size_t drive_index = minor() / 16;
+    return String::formatted("hd{:c}{}", 'a' + drive_index, minor() + 1);
+}
+
 size_t PATADiskDevice::max_addressable_block() const
 {
     return m_cylinders * m_heads * m_sectors_per_track;