参照元

説明

参考

実装

struct proc_dir_entry {
	unsigned int low_ino;
	unsigned short namelen;
	const char *name;
	mode_t mode;
	nlink_t nlink;
	uid_t uid;
	gid_t gid;
	loff_t size;
	const struct inode_operations *proc_iops;
	/*
	 * NULL ->proc_fops means "PDE is going away RSN" or
	 * "PDE is just created". In either case, e.g. ->read_proc won't be
	 * called because it's too late or too early, respectively.
	 *
	 * If you're allocating ->proc_fops dynamically, save a pointer
	 * somewhere.
	 */
	const struct file_operations *proc_fops;
	struct proc_dir_entry *next, *parent, *subdir;
	void *data;
	read_proc_t *read_proc;
	write_proc_t *write_proc;
	atomic_t count;		/* use count */
	int pde_users;	/* number of callers into module in progress */
	spinlock_t pde_unload_lock; /* proc_fops checks and pde_users bumps */
	struct completion *pde_unload_completion;
	struct list_head pde_openers;	/* who did ->open, but not ->release */
};

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