/**
* pdcs_register_pathentries - Prepares path entries kobjects for sysfs usage.
*
* It creates kobjects corresponding to each path entry with nice sysfs
* links to the real device. This is where the magic takes place: when
* registering the subsystem attributes during module init, each kobject hereby
* created will show in the sysfs tree as a folder containing files as defined
* by path_subsys_attr[].
*/
static inline int __init
pdcs_register_pathentries(void)
{
unsigned short i;
struct pdcspath_entry *entry;
int err;
/* Initialize the entries rw_lock before anything else */
for (i = 0; (entry = pdcspath_entries[i]); i++)
rwlock_init(&entry->rw_lock);
for (i = 0; (entry = pdcspath_entries[i]); i++) {
write_lock(&entry->rw_lock);
err = pdcspath_fetch(entry);
write_unlock(&entry->rw_lock);
if (err < 0)
continue;
entry->kobj.kset = paths_kset;
err = kobject_init_and_add(&entry->kobj, &ktype_pdcspath, NULL,
"%s", entry->name);
if (err)
return err;
/* kobject is now registered */
write_lock(&entry->rw_lock);
entry->ready = 2;
/* Add a nice symlink to the real device */
if (entry->dev) {
err = sysfs_create_link(&entry->kobj, &entry->dev->kobj, "device");
WARN_ON(err);
}
write_unlock(&entry->rw_lock);
kobject_uevent(&entry->kobj, KOBJ_ADD);
}
return 0;
}
/**
* pdcs_register_pathentries - Prepares path entries kobjects for sysfs usage.
*
* It creates kobjects corresponding to each path entry with nice sysfs
* links to the real device. This is where the magic takes place: when
* registering the subsystem attributes during module init, each kobject hereby
* created will show in the sysfs tree as a folder containing files as defined
* by path_subsys_attr[].
*/
static inline int __init
pdcs_register_pathentries(void)
{
unsigned short i;
struct pdcspath_entry *entry;
int err;
/* Initialize the entries rw_lock before anything else */
for (i = 0; (entry = pdcspath_entries[i]); i++)
rwlock_init(&entry->rw_lock);
for (i = 0; (entry = pdcspath_entries[i]); i++) {
write_lock(&entry->rw_lock);
err = pdcspath_fetch(entry);
write_unlock(&entry->rw_lock);
if (err < 0)
continue;
if ((err = kobject_set_name(&entry->kobj, "%s", entry->name)))
return err;
kobj_set_kset_s(entry, paths_subsys);
if ((err = kobject_register(&entry->kobj)))
return err;
/* kobject is now registered */
write_lock(&entry->rw_lock);
entry->ready = 2;
/* Add a nice symlink to the real device */
if (entry->dev)
sysfs_create_link(&entry->kobj, &entry->dev->kobj, "device");
write_unlock(&entry->rw_lock);
}
return 0;
}
