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#include <AK/Assertions.h>
#include <AK/HashMap.h>
#include <AK/StringBuilder.h>
#include <Kernel/FileSystem/FileSystem.h>
#include <Kernel/FileSystem/Inode.h>
#include <Kernel/Net/LocalSocket.h>
#include <Kernel/VM/MemoryManager.h>
#include <LibC/errno_numbers.h>
static dword s_lastFileSystemID;
static HashMap<dword, FS*>* s_fs_map;
static HashMap<dword, FS*>& all_fses()
{
if (!s_fs_map)
s_fs_map = new HashMap<dword, FS*>();
return *s_fs_map;
}
FS::FS()
: m_fsid(++s_lastFileSystemID)
{
all_fses().set(m_fsid, this);
}
FS::~FS()
{
all_fses().remove(m_fsid);
}
FS* FS::from_fsid(dword id)
{
auto it = all_fses().find(id);
if (it != all_fses().end())
return (*it).value;
return nullptr;
}
FS::DirectoryEntry::DirectoryEntry(const char* n, InodeIdentifier i, byte ft)
: name_length(strlen(n))
, inode(i)
, file_type(ft)
{
memcpy(name, n, name_length);
name[name_length] = '\0';
}
FS::DirectoryEntry::DirectoryEntry(const char* n, int nl, InodeIdentifier i, byte ft)
: name_length(nl)
, inode(i)
, file_type(ft)
{
memcpy(name, n, nl);
name[nl] = '\0';
}
void FS::sync()
{
Inode::sync();
Vector<Retained<FS>, 32> fses;
{
InterruptDisabler disabler;
for (auto& it : all_fses())
fses.append(*it.value);
}
for (auto fs : fses)
fs->flush_writes();
}
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