super_lock
spin_lock_init(&fs_info->super_lock);
spin_lock(&fs_info->super_lock);
spin_unlock(&fs_info->super_lock);
spin_lock(&fs_info->super_lock);
spin_unlock(&fs_info->super_lock);
spin_lock(&fs_info->super_lock);
spin_unlock(&fs_info->super_lock);
spin_unlock(&fs_info->super_lock);
spin_lock(&fs_info->super_lock);
spin_unlock(&fs_info->super_lock);
spin_lock(&fs_info->super_lock);
spin_unlock(&fs_info->super_lock);
spin_lock(&fs_info->super_lock);
spin_unlock(&fs_info->super_lock);
spin_lock(&fs_info->super_lock);
spin_unlock(&fs_info->super_lock);
spin_lock(&fs_info->super_lock);
spin_unlock(&fs_info->super_lock);
spin_lock(&fs_info->super_lock);
spin_unlock(&fs_info->super_lock);
spin_lock(&fs_info->super_lock);
spin_unlock(&fs_info->super_lock);
spinlock_t super_lock;
spin_lock(&fs_info->super_lock);
spin_unlock(&fs_info->super_lock);
spin_lock(&fs_info->super_lock);
spin_unlock(&fs_info->super_lock);
spin_lock(&fs_info->super_lock);
spin_unlock(&fs_info->super_lock);
spin_lock(&fs_info->super_lock);
spin_unlock(&fs_info->super_lock);
spin_lock(&fs_info->super_lock);
spin_unlock(&fs_info->super_lock);
spin_lock(&fs_info->super_lock);
spin_unlock(&fs_info->super_lock);
spin_lock(&fs_info->super_lock);
spin_unlock(&fs_info->super_lock);
locked = super_lock(sb, excl);
return super_lock(sb, false);
locked = super_lock(sb, excl);
return super_lock(sb, true);
} else if (super_lock(sb, excl)) {