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Kernel: Switch LockRefPtr<Inode> to RefPtr<Inode>

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The main place where this is a little iffy is in RAMFS where inodes
have a LockWeakPtr to their parent inode. I've left that as a
LockWeakPtr for now.
This commit is contained in:
Andreas Kling 2023-03-07 12:25:00 +01:00
parent 067d0689c5
commit e6fc7b3ff7
50 changed files with 143 additions and 144 deletions
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2
Kernel/FileSystem/FATFS/FileSystem.h
View file

@ -46,7 +46,7 @@ private:
BlockBasedFileSystem::BlockIndex first_block_of_cluster(u32 cluster) const;
OwnPtr<KBuffer> m_boot_record {};
LockRefPtr<FATInode> m_root_inode {};
RefPtr<FATInode> m_root_inode;
u32 m_first_data_sector { 0 };
};

13
Kernel/FileSystem/FATFS/Inode.cpp
View file

@ -11,10 +11,10 @@
namespace Kernel {
ErrorOr<NonnullLockRefPtr<FATInode>> FATInode::create(FATFS& fs, FATEntry entry, Vector<FATLongFileNameEntry> const& lfn_entries)
ErrorOr<NonnullRefPtr<FATInode>> FATInode::create(FATFS& fs, FATEntry entry, Vector<FATLongFileNameEntry> const& lfn_entries)
{
auto filename = TRY(compute_filename(entry, lfn_entries));
return adopt_nonnull_lock_ref_or_enomem(new (nothrow) FATInode(fs, entry, move(filename)));
return adopt_nonnull_ref_or_enomem(new (nothrow) FATInode(fs, entry, move(filename)));
}
FATInode::FATInode(FATFS& fs, FATEntry entry, NonnullOwnPtr<KString> filename)
@ -108,7 +108,7 @@ ErrorOr<void> FATInode::replace_child(StringView, Inode&)
return Error::from_errno(EROFS);
}
ErrorOr<LockRefPtr<FATInode>> FATInode::traverse(Function<ErrorOr<bool>(LockRefPtr<FATInode>)> callback)
ErrorOr<RefPtr<FATInode>> FATInode::traverse(Function<ErrorOr<bool>(RefPtr<FATInode>)> callback)
{
VERIFY(has_flag(m_entry.attributes, FATAttributes::Directory));
@ -233,7 +233,7 @@ ErrorOr<void> FATInode::traverse_as_directory(Function<ErrorOr<void>(FileSystem:
return {};
}
ErrorOr<NonnullLockRefPtr<Inode>> FATInode::lookup(StringView name)
ErrorOr<NonnullRefPtr<Inode>> FATInode::lookup(StringView name)
{
MutexLocker locker(m_inode_lock);
@ -245,8 +245,7 @@ ErrorOr<NonnullLockRefPtr<Inode>> FATInode::lookup(StringView name)
if (inode.is_null())
return ENOENT;
else
return inode.release_nonnull();
return inode.release_nonnull();
}
ErrorOr<size_t> FATInode::write_bytes_locked(off_t, size_t, UserOrKernelBuffer const&, OpenFileDescription*)
@ -254,7 +253,7 @@ ErrorOr<size_t> FATInode::write_bytes_locked(off_t, size_t, UserOrKernelBuffer c
return EROFS;
}
ErrorOr<NonnullLockRefPtr<Inode>> FATInode::create_child(StringView, mode_t, dev_t, UserID, GroupID)
ErrorOr<NonnullRefPtr<Inode>> FATInode::create_child(StringView, mode_t, dev_t, UserID, GroupID)
{
return EROFS;
}

8
Kernel/FileSystem/FATFS/Inode.h
View file

@ -22,7 +22,7 @@ class FATInode final : public Inode {
public:
virtual ~FATInode() override = default;
static ErrorOr<NonnullLockRefPtr<FATInode>> create(FATFS&, FATEntry, Vector<FATLongFileNameEntry> const& = {});
static ErrorOr<NonnullRefPtr<FATInode>> create(FATFS&, FATEntry, Vector<FATLongFileNameEntry> const& = {});
FATFS& fs() { return static_cast<FATFS&>(Inode::fs()); }
FATFS const& fs() const { return static_cast<FATFS const&>(Inode::fs()); }
@ -47,7 +47,7 @@ private:
ErrorOr<Vector<BlockBasedFileSystem::BlockIndex>> compute_block_list();
ErrorOr<NonnullOwnPtr<KBuffer>> read_block_list();
ErrorOr<LockRefPtr<FATInode>> traverse(Function<ErrorOr<bool>(LockRefPtr<FATInode>)> callback);
ErrorOr<RefPtr<FATInode>> traverse(Function<ErrorOr<bool>(RefPtr<FATInode>)> callback);
u32 first_cluster() const;
// ^Inode
@ -56,8 +56,8 @@ private:
virtual InodeMetadata metadata() const override;
virtual ErrorOr<void> traverse_as_directory(Function<ErrorOr<void>(FileSystem::DirectoryEntryView const&)>) const override;
virtual ErrorOr<NonnullLockRefPtr<Inode>> lookup(StringView name) override;
virtual ErrorOr<NonnullLockRefPtr<Inode>> create_child(StringView name, mode_t, dev_t, UserID, GroupID) override;
virtual ErrorOr<NonnullRefPtr<Inode>> lookup(StringView name) override;
virtual ErrorOr<NonnullRefPtr<Inode>> create_child(StringView name, mode_t, dev_t, UserID, GroupID) override;
virtual ErrorOr<void> add_child(Inode&, StringView name, mode_t) override;
virtual ErrorOr<void> remove_child(StringView name) override;
virtual ErrorOr<void> replace_child(StringView name, Inode& child) override;