debugfs_create_file man page on Scientific

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DEBUGFS_CREATE_FILE(9)	    The debugfs filesystem	DEBUGFS_CREATE_FILE(9)

       debugfs_create_file - create a file in the debugfs filesystem

       struct dentry * debugfs_create_file(const char * name, mode_t mode,
					   struct dentry * parent,
					   void * data,
					   const struct file_operations * fops);

	   a pointer to a string containing the name of the file to create.

	   the permission that the file should have

	   a pointer to the parent dentry for this file. This should be a
	   directory dentry if set. If this paramater is NULL, then the file
	   will be created in the root of the debugfs filesystem.

	   a pointer to something that the caller will want to get to later
	   on. The inode.i_private pointer will point to this value on the
	   open call.

	   a pointer to a struct file_operations that should be used for this

       This is the basic “create a file” function for debugfs. It allows for a
       wide range of flexibility in createing a file, or a directory (if you
       want to create a directory, the debugfs_create_dir function is
       recommended to be used instead.)

       This function will return a pointer to a dentry if it succeeds. This
       pointer must be passed to the debugfs_remove function when the file is
       to be removed (no automatic cleanup happens if your module is unloaded,
       you are responsible here.) If an error occurs, NULL will be returned.

       If debugfs is not enabled in the kernel, the value -ENODEV will be

Kernel Hackers Manual 2.6.	 November 2013		DEBUGFS_CREATE_FILE(9)

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