D44469.id136059.diff
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D44469.id136059.diff
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	diff --git a/sys/fs/devfs/devfs_vnops.c b/sys/fs/devfs/devfs_vnops.c
	--- a/sys/fs/devfs/devfs_vnops.c
	+++ b/sys/fs/devfs/devfs_vnops.c
	@@ -177,6 +177,21 @@
	return (error);
	}

	+void
	+devfs_foreach_cdevpriv(struct cdev dev, void (cb)(void data, void arg),
	+ void *arg)
	+{
	+ struct cdev_priv *cdp;
	+ struct cdev_privdata *p;
	+
	+ cdp = cdev2priv(dev);
	+ mtx_lock(&cdevpriv_mtx);
	+ LIST_FOREACH(p, &cdp->cdp_fdpriv, cdpd_list) {
	+ cb(p->cdpd_data, arg);
	+ }
	+ mtx_unlock(&cdevpriv_mtx);
	+}
	+
	void
	devfs_destroy_cdevpriv(struct cdev_privdata *p)
	{
	diff --git a/sys/sys/conf.h b/sys/sys/conf.h
	--- a/sys/sys/conf.h
	+++ b/sys/sys/conf.h
	@@ -319,6 +319,8 @@
	int devfs_get_cdevpriv(void **datap);
	int devfs_set_cdevpriv(void priv, d_priv_dtor_t dtr);
	void devfs_clear_cdevpriv(void);
	+void devfs_foreach_cdevpriv(struct cdev *dev,
	+ void (cb)(void data, void arg), void arg);

	ino_t devfs_alloc_cdp_inode(void);
	void devfs_free_cdp_inode(ino_t ino);