static void edac_sysfs_pci_teardown(void)
{
debugf0("%s()\n", __func__);
init_completion(&edac_pci_kobj_complete);
kobject_unregister(&edac_pci_kobj);
wait_for_completion(&edac_pci_kobj_complete);
}
void gfs2_sys_fs_del(struct gfs2_sbd *sdp)
{
sysfs_remove_group(&sdp->sd_kobj, &tune_group);
sysfs_remove_group(&sdp->sd_kobj, &args_group);
sysfs_remove_group(&sdp->sd_kobj, &lockstruct_group);
kobject_unregister(&sdp->sd_kobj);
}
void br_sysfs_delbr(struct net_device *dev)
{
struct kobject *kobj = &dev->class_dev.kobj;
struct net_bridge *br = netdev_priv(dev);
kobject_unregister(&br->ifobj);
sysfs_remove_bin_file(kobj, &bridge_forward);
sysfs_remove_group(kobj, &bridge_group);
}
/**
* bus_add_driver - Add a driver to the bus.
* @drv: driver.
*
*/
int bus_add_driver(struct device_driver *drv)
{
struct bus_type * bus = bus_get(drv->bus);
int error = 0;
if (!bus)
return -EINVAL;
pr_debug("bus %s: add driver %s\n", bus->name, drv->name);
error = kobject_set_name(&drv->kobj, "%s", drv->name);
if (error)
goto out_put_bus;
drv->kobj.kset = &bus->drivers;
error = kobject_register(&drv->kobj);
if (error)
goto out_put_bus;
//如果总线支持自动探测，则调用driver_attach。
if (drv->bus->drivers_autoprobe)
{
error = driver_attach(drv);
if (error)
goto out_unregister;
}
//将该驱动程序添加到总线上注册的所有驱动程序的链表中
klist_add_tail(&drv->knode_bus, &bus->klist_drivers);
module_add_driver(drv->owner, drv);
error = driver_create_file(drv, &driver_attr_uevent);
if (error)
{
printk(KERN_ERR "%s: uevent attr (%s) failed\n", __FUNCTION__, drv->name);
}
error = driver_add_attrs(bus, drv);
if (error)
{
/* How the hell do we get out of this pickle? Give up */
printk(KERN_ERR "%s: driver_add_attrs(%s) failed\n", __FUNCTION__, drv->name);
}
error = add_bind_files(drv);
if (error)
{
/* Ditto */
printk(KERN_ERR "%s: add_bind_files(%s) failed\n", __FUNCTION__, drv->name);
}
return error;
out_unregister:
kobject_unregister(&drv->kobj);
out_put_bus:
bus_put(bus);
return error;
}
void bus_remove_driver(struct device_driver * drv)
{
if (drv->bus) {
remove_bind_files(drv);
driver_remove_attrs(drv->bus, drv);
klist_remove(&drv->knode_bus);
pr_debug("bus %s: remove driver %s\n", drv->bus->name, drv->name);
driver_detach(drv);
module_remove_driver(drv);
kobject_unregister(&drv->kobj);
put_bus(drv->bus);
}
}
/**
* pdcs_unregister_pathentries - Routine called when unregistering the module.
*/
static inline void
pdcs_unregister_pathentries(void)
{
unsigned short i;
struct pdcspath_entry *entry;
for (i = 0; (entry = pdcspath_entries[i]); i++) {
read_lock(&entry->rw_lock);
if (entry->ready >= 2)
kobject_unregister(&entry->kobj);
read_unlock(&entry->rw_lock);
}
}
/*
* MC teardown:
* the '..../edac/mc' kobject followed by '..../edac' itself
*/
static void edac_sysfs_memctrl_teardown(void)
{
debugf0("MC: " __FILE__ ": %s()\n", __func__);
/* Unregister the MC's kobject and wait for reference count to reach
* 0.
*/
init_completion(&edac_memctrl_kobj_complete);
kobject_unregister(&edac_memctrl_kobj);
wait_for_completion(&edac_memctrl_kobj_complete);
/* Unregister the 'edac' object */
sysdev_class_unregister(&edac_class);
}
void bus_remove_driver(struct device_driver * drv)
{
if (!drv->bus)
return;
remove_bind_files(drv);
driver_remove_attrs(drv->bus, drv);
driver_remove_file(drv, &driver_attr_uevent);
klist_remove(&drv->knode_bus);
pr_debug("bus %s: remove driver %s\n", drv->bus->name, drv->name);
driver_detach(drv);
module_remove_driver(drv);
kobject_unregister(&drv->kobj);
bus_put(drv->bus);
}
int rfs_sysfs_create(void)
{
int rv;
rfs_kobj = kzalloc(sizeof(struct kobject), GFP_KERNEL);
if (!rfs_kobj)
return -ENOMEM;
kobject_init(rfs_kobj);
rfs_kobj->ktype = &rfs_kobj_ktype;
rfs_kobj->parent = &fs_subsys.kobj;
rv = kobject_set_name(rfs_kobj, "%s", "redirfs");
if (rv) {
kobject_put(rfs_kobj);
return rv;
}
rv = kobject_register(rfs_kobj);
if (rv) {
kobject_put(rfs_kobj);
return rv;
}
rv = -ENOMEM;
rfs_flt_kset = kzalloc(sizeof(struct kset), GFP_KERNEL);
if (!rfs_flt_kset)
goto err_kobj;
kobject_init(&rfs_flt_kset->kobj);
rfs_flt_kset->kobj.ktype = &rfs_kobj_ktype;
rfs_flt_kset->kobj.parent = rfs_kobj;
rv = kobject_set_name(&rfs_flt_kset->kobj, "%s", "filters");
if (rv)
goto err_kset;
rv = kset_register(rfs_flt_kset);
if (rv)
goto err_kset;
return 0;
err_kset:
kset_put(rfs_flt_kset);
err_kobj:
kobject_unregister(rfs_kobj);
return rv;
}
/**
* bus_add_driver - Add a driver to the bus.
* @drv: driver.
*
*/
int bus_add_driver(struct device_driver *drv)
{
struct bus_type * bus = get_bus(drv->bus);
int error = 0;
if (!bus)
return 0;
pr_debug("bus %s: add driver %s\n", bus->name, drv->name);
error = kobject_set_name(&drv->kobj, "%s", drv->name);
if (error)
goto out_put_bus;
drv->kobj.kset = &bus->drivers;
if ((error = kobject_register(&drv->kobj)))
goto out_put_bus;
error = driver_attach(drv);
if (error)
goto out_unregister;
klist_add_tail(&drv->knode_bus, &bus->klist_drivers);
module_add_driver(drv->owner, drv);
error = driver_add_attrs(bus, drv);
if (error) {
/* How the hell do we get out of this pickle? Give up */
printk(KERN_ERR "%s: driver_add_attrs(%s) failed\n",
__FUNCTION__, drv->name);
}
error = add_bind_files(drv);
if (error) {
/* Ditto */
printk(KERN_ERR "%s: add_bind_files(%s) failed\n",
__FUNCTION__, drv->name);
}
return error;
out_unregister:
kobject_unregister(&drv->kobj);
out_put_bus:
put_bus(bus);
return error;
}
/*
* kernel_param_sysfs_setup - wrapper for built-in params support
*/
static void __init kernel_param_sysfs_setup(const char *name,
struct kernel_param *kparam,
unsigned int num_params,
unsigned int name_skip)
{
struct module_kobject *mk;
mk = kmalloc(sizeof(struct module_kobject), GFP_KERNEL);
memset(mk, 0, sizeof(struct module_kobject));
mk->mod = THIS_MODULE;
kobj_set_kset_s(mk, module_subsys);
kobject_set_name(&mk->kobj, name);
kobject_register(&mk->kobj);
/* no need to keep the kobject if no parameter is exported */
if (!param_sysfs_setup(mk, kparam, num_params, name_skip)) {
kobject_unregister(&mk->kobj);
kfree(mk);
}
}
int gfs2_sys_fs_add(struct gfs2_sbd *sdp)
{
int error;
sdp->sd_kobj.kset = &gfs2_kset;
sdp->sd_kobj.ktype = &gfs2_ktype;
error = kobject_set_name(&sdp->sd_kobj, "%s", sdp->sd_table_name);
if (error)
goto fail;
error = kobject_register(&sdp->sd_kobj);
if (error)
goto fail;
error = sysfs_create_group(&sdp->sd_kobj, &lockstruct_group);
if (error)
goto fail_reg;
error = sysfs_create_group(&sdp->sd_kobj, &args_group);
if (error)
goto fail_lockstruct;
error = sysfs_create_group(&sdp->sd_kobj, &tune_group);
if (error)
goto fail_args;
return 0;
fail_args:
sysfs_remove_group(&sdp->sd_kobj, &args_group);
fail_lockstruct:
sysfs_remove_group(&sdp->sd_kobj, &lockstruct_group);
fail_reg:
kobject_unregister(&sdp->sd_kobj);
fail:
fs_err(sdp, "error %d adding sysfs files", error);
return error;
}
void gdlm_kobject_release(struct gdlm_ls *ls)
{
kobject_unregister(&ls->kobj);
}
static inline void
edd_device_unregister(struct edd_device *edev)
{
kobject_unregister(&edev->kobj);
}
