Example #1
0
/**
 * sysfs_remove_file_ns - remove an object attribute with a custom ns tag
 * @kobj: object we're acting for
 * @attr: attribute descriptor
 * @ns: namespace tag of the file to remove
 *
 * Hash the attribute name and namespace tag and kill the victim.
 */
void sysfs_remove_file_ns(struct kobject *kobj, const struct attribute *attr,
			  const void *ns)
{
	struct kernfs_node *parent = kobj->sd;

	kernfs_remove_by_name_ns(parent, attr->name, ns);
}
Example #2
0
/**
 *	sysfs_delete_link - remove symlink in object's directory.
 *	@kobj:	object we're acting for.
 *	@targ:	object we're pointing to.
 *	@name:	name of the symlink to remove.
 *
 *	Unlike sysfs_remove_link sysfs_delete_link has enough information
 *	to successfully delete symlinks in tagged directories.
 */
void sysfs_delete_link(struct kobject *kobj, struct kobject *targ,
                       const char *name)
{
    const void *ns = NULL;

    /*
     * We don't own @target and it may be removed at any time.
     * Synchronize using sysfs_symlink_target_lock.  See
     * sysfs_remove_dir() for details.
     */
    spin_lock(&sysfs_symlink_target_lock);
    if (targ->sd && kernfs_ns_enabled(kobj->sd))
        ns = targ->sd->ns;
    spin_unlock(&sysfs_symlink_target_lock);
    kernfs_remove_by_name_ns(kobj->sd, name, ns);
}
Example #3
0
/**
 *	sysfs_remove_mount_point - remove an always empty directory.
 *	@parent_kobj: kobject that will contain this always empty directory
 *	@name: The name of the always empty directory to remove
 *
 */
void sysfs_remove_mount_point(struct kobject *parent_kobj, const char *name)
{
	struct kernfs_node *parent = parent_kobj->sd;

	kernfs_remove_by_name_ns(parent, name, NULL);
}