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Kernel: Update the ".." inode for directories after a rename

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Because the ".." entry in a directory is a separate inode, if a
directory is renamed to a new location, then we should update this entry
the point to the new parent directory as well.

Co-authored-by: Liav A <liavalb@gmail.com>
This commit is contained in:
sin-ack 2022-10-08 11:22:12 +02:00 • committed by Andreas Kling
parent 2b246d980a
commit 3b03077abb
18 changed files with 128 additions and 0 deletions
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5
Kernel/FileSystem/ProcFS/Inode.cpp
View file

@ -47,4 +47,9 @@ ErrorOr<void> ProcFSInode::chown(UserID, GroupID)
return EPERM;
}
ErrorOr<void> ProcFSInode::replace_child(StringView, Inode&)
{
return EROFS;
}
}

1
Kernel/FileSystem/ProcFS/Inode.h
View file

@ -33,6 +33,7 @@ protected:
virtual ErrorOr<NonnullLockRefPtr<Inode>> create_child(StringView name, mode_t, dev_t, UserID, GroupID) override final;
virtual ErrorOr<void> add_child(Inode&, StringView name, mode_t) override final;
virtual ErrorOr<void> remove_child(StringView name) override final;
virtual ErrorOr<void> replace_child(StringView name, Inode& child) override final;
virtual ErrorOr<void> chmod(mode_t) override final;
virtual ErrorOr<void> chown(UserID, GroupID) override final;
};