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Kernel: Register block and character devices in separate HashMaps

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Instead of putting everything in one hash map, let's distinguish between
the devices based on their type.

This change makes the devices semantically separated, and is considered
a preparation before we could expose a comprehensive list of allocations
per major numbers and their purpose.
This commit is contained in:
Liav A.
2024-05-04 13:06:01 +03:00
committed by Nico Weber
parent fdff05cc97
commit 7f5a2c1466
7 changed files with 71 additions and 42 deletions
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4
Kernel/FileSystem/VirtualFileSystem.cpp
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@@ -10,6 +10,7 @@
#include <AK/RefPtr.h>
#include <AK/Singleton.h>
#include <AK/StringBuilder.h>
#include <Kernel/API/DeviceFileTypes.h>
#include <Kernel/API/POSIX/errno.h>
#include <Kernel/Debug.h>
#include <Kernel/Devices/BlockDevice.h>
@@ -531,7 +532,8 @@ ErrorOr<NonnullRefPtr<OpenFileDescription>> VirtualFileSystem::open(Process cons
if (metadata.is_device()) {
if (custody.mount_flags() & MS_NODEV)
return EACCES;
auto device = DeviceManagement::the().get_device(metadata.major_device, metadata.minor_device);
auto device_type = metadata.is_block_device() ? DeviceNodeType::Block : DeviceNodeType::Character;
auto device = DeviceManagement::the().get_device(device_type, metadata.major_device, metadata.minor_device);
if (device == nullptr) {
return ENODEV;
}