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Kernel: Remove unused artifacts of the Custody cache

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We'll probably want some kind of Custody caching in the future, but as
it's not used at the moment, let's simplify things a bit.
This commit is contained in:
Andreas Kling 2020-02-26 15:23:55 +01:00
parent 987dbedf4a
commit d5fe839166
3 changed files with 1 additions and 81 deletions
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55
Kernel/FileSystem/Custody.cpp
View file

@ -24,63 +24,23 @@
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <AK/HashTable.h>
#include <AK/StringBuilder.h>
#include <AK/Vector.h>
#include <Kernel/FileSystem/Custody.h>
#include <Kernel/FileSystem/Inode.h>
#include <Kernel/Lock.h>
namespace Kernel {
static Lockable<InlineLinkedList<Custody>>& all_custodies()
{
static Lockable<InlineLinkedList<Custody>>* list;
if (!list)
list = new Lockable<InlineLinkedList<Custody>>;
return *list;
}
Custody* Custody::get_if_cached(Custody* parent, const StringView& name)
{
LOCKER(all_custodies().lock());
for (auto& custody : all_custodies().resource()) {
if (custody.is_deleted())
continue;
if (custody.is_mounted_on())
continue;
if (custody.parent() == parent && custody.name() == name)
return &custody;
}
return nullptr;
}
NonnullRefPtr<Custody> Custody::get_or_create(Custody* parent, const StringView& name, Inode& inode, int mount_flags)
{
if (RefPtr<Custody> cached_custody = get_if_cached(parent, name)) {
if (&cached_custody->inode() != &inode) {
dbg() << "WTF! Cached custody for name '" << name << "' has inode=" << cached_custody->inode().identifier() << ", new inode=" << inode.identifier();
}
ASSERT(&cached_custody->inode() == &inode);
return *cached_custody;
}
return create(parent, name, inode, mount_flags);
}
Custody::Custody(Custody* parent, const StringView& name, Inode& inode, int mount_flags)
: m_parent(parent)
, m_name(name)
, m_inode(inode)
, m_mount_flags(mount_flags)
{
LOCKER(all_custodies().lock());
all_custodies().resource().append(this);
}
Custody::~Custody()
{
LOCKER(all_custodies().lock());
all_custodies().resource().remove(this);
}
String Custody::absolute_path() const
@ -98,19 +58,4 @@ String Custody::absolute_path() const
return builder.to_string();
}
void Custody::did_delete(Badge<VFS>)
{
m_deleted = true;
}
void Custody::did_mount_on(Badge<VFS>)
{
m_mounted_on = true;
}
void Custody::did_rename(Badge<VFS>, const String& name)
{
m_name = name;
}
}