static ssize_t zfcp_sysfs_unit_add_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
struct zfcp_port *port = container_of(dev, struct zfcp_port, dev);
struct zfcp_unit *unit;
u64 fcp_lun;
int retval = -EINVAL;
if (!(port && get_device(&port->dev)))
return -EBUSY;
if (strict_strtoull(buf, 0, (unsigned long long *) &fcp_lun))
goto out;
unit = zfcp_unit_enqueue(port, fcp_lun);
if (IS_ERR(unit))
goto out;
else
retval = 0;
zfcp_erp_unit_reopen(unit, 0, "syuas_1", NULL);
zfcp_erp_wait(unit->port->adapter);
zfcp_scsi_scan(unit);
out:
put_device(&port->dev);
return retval ? retval : (ssize_t) count;
}
static ssize_t zfcp_sysfs_unit_add_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
struct zfcp_port *port = dev_get_drvdata(dev);
struct zfcp_unit *unit;
u64 fcp_lun;
mutex_lock(&zfcp_data.config_mutex);
if (atomic_read(&port->status) & ZFCP_STATUS_COMMON_REMOVE) {
mutex_unlock(&zfcp_data.config_mutex);
return -EBUSY;
}
if (strict_strtoull(buf, 0, (unsigned long long *) &fcp_lun)) {
mutex_unlock(&zfcp_data.config_mutex);
return -EINVAL;
}
unit = zfcp_unit_enqueue(port, fcp_lun);
mutex_unlock(&zfcp_data.config_mutex);
if (IS_ERR(unit))
return -EINVAL;
zfcp_erp_unit_reopen(unit, 0, "syuas_1", NULL);
zfcp_erp_wait(unit->port->adapter);
zfcp_scsi_scan(unit);
zfcp_unit_put(unit);
return (ssize_t) count;
}
