c
static void v9fs_evict_inode_safe(struct inode *inode)
{
    if (inode == NULL || !inode->i_sb) {
        printk(KERN_ERR "v9fs: invalid inode pointer\n");
        return; // or handle error
    }
    truncate_inode_pages_final(&inode->i_data);
}

void v9fs_evict_inode(struct inode *inode)
{
    v9fs_evict_inode_safe(inode);
}
