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Kernel/SysFS: Reduce the responsibilities of the Registry object

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Instead, let the /sys/dev/block and /sys/dev/char directories to handle
the registering part of SysFSDeviceComponents by themselves.
This commit is contained in:
Liav A 2022-04-23 00:26:36 +03:00 • committed by Andreas Kling
parent ecc29bb52e
commit 6733f19b3c
11 changed files with 72 additions and 31 deletions
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24
Kernel/Devices/Device.cpp
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@ -9,6 +9,8 @@
#include <Kernel/Devices/DeviceManagement.h>
#include <Kernel/FileSystem/InodeMetadata.h>
#include <Kernel/FileSystem/SysFS.h>
#include <Kernel/FileSystem/SysFS/Subsystems/DeviceIdentifiers/BlockDevicesDirectory.h>
#include <Kernel/FileSystem/SysFS/Subsystems/DeviceIdentifiers/CharacterDevicesDirectory.h>
#include <Kernel/Sections.h>
namespace Kernel {
@ -25,7 +27,14 @@ void Device::after_inserting()
VERIFY(!m_sysfs_component);
auto sys_fs_component = SysFSDeviceComponent::must_create(*this);
m_sysfs_component = sys_fs_component;
SysFSComponentRegistry::the().devices_list().with_exclusive([&](auto& list) -> void {
if (is_block_device()) {
SysFSBlockDevicesDirectory::the().devices_list({}).with([&](auto& list) -> void {
list.append(sys_fs_component);
});
return;
}
VERIFY(is_character_device());
SysFSCharacterDevicesDirectory::the().devices_list({}).with([&](auto& list) -> void {
list.append(sys_fs_component);
});
}
@ -33,9 +42,16 @@ void Device::after_inserting()
void Device::will_be_destroyed()
{
VERIFY(m_sysfs_component);
SysFSComponentRegistry::the().devices_list().with_exclusive([&](auto& list) -> void {
list.remove(*m_sysfs_component);
});
if (is_block_device()) {
SysFSBlockDevicesDirectory::the().devices_list({}).with([&](auto& list) -> void {
list.remove(*m_sysfs_component);
});
} else {
VERIFY(is_character_device());
SysFSCharacterDevicesDirectory::the().devices_list({}).with([&](auto& list) -> void {
list.remove(*m_sysfs_component);
});
}
DeviceManagement::the().before_device_removal({}, *this);
m_state = State::BeingRemoved;
}