mirror of
https://github.com/SerenityOS/serenity
synced 2024-10-15 12:23:15 +00:00
59 lines
1.3 KiB
C++
59 lines
1.3 KiB
C++
/*
|
|
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <AK/HashMap.h>
|
|
#include <AK/Singleton.h>
|
|
#include <AK/StringView.h>
|
|
#include <Kernel/FileSystem/FileSystem.h>
|
|
#include <Kernel/FileSystem/Inode.h>
|
|
#include <Kernel/FileSystem/VirtualFileSystem.h>
|
|
#include <Kernel/Interrupts/InterruptDisabler.h>
|
|
#include <Kernel/Memory/MemoryManager.h>
|
|
#include <Kernel/Net/LocalSocket.h>
|
|
|
|
namespace Kernel {
|
|
|
|
static u32 s_lastFileSystemID;
|
|
|
|
FileSystem::FileSystem()
|
|
: m_fsid(++s_lastFileSystemID)
|
|
{
|
|
}
|
|
|
|
FileSystem::~FileSystem()
|
|
{
|
|
}
|
|
|
|
ErrorOr<void> FileSystem::prepare_to_unmount(Inode& mount_guest_inode)
|
|
{
|
|
return m_attach_count.with([&](auto& attach_count) -> ErrorOr<void> {
|
|
dbgln_if(VFS_DEBUG, "VFS: File system {} (id {}) is attached {} time(s)", class_name(), m_fsid.value(), attach_count);
|
|
if (attach_count == 1)
|
|
return prepare_to_clear_last_mount(mount_guest_inode);
|
|
return {};
|
|
});
|
|
}
|
|
|
|
FileSystem::DirectoryEntryView::DirectoryEntryView(StringView n, InodeIdentifier i, u8 ft)
|
|
: name(n)
|
|
, inode(i)
|
|
, file_type(ft)
|
|
{
|
|
}
|
|
|
|
void FileSystem::sync()
|
|
{
|
|
Inode::sync_all();
|
|
VirtualFileSystem::the().sync_filesystems();
|
|
}
|
|
|
|
void FileSystem::lock_all()
|
|
{
|
|
VirtualFileSystem::the().lock_all_filesystems();
|
|
}
|
|
|
|
}
|