void debugfs_remove(struct dentry *dentry);

struct dentry *debugfs_rename(struct dentry *old_dir, struct dentry *old_dentry, struct dentry *new_dir, const char *new_name);

When kernel code is being debugged, the need to export and manipulate a single elementary value like an int or a long often arises. Debugfs also provides several functions that create a new file that allows for reading the value from userspace and passing a new value into the kernel. They all share a common prototype:

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