size_t writesize = iov_length(iov, nr_segs);
        struct dentry *dentry = file->f_dentry;
        struct gfs2_inode *ip = GFS2_I(dentry->d_inode);
-       struct gfs2_sbd *sdp;
        int ret;
 
-       sdp = GFS2_SB(file->f_mapping->host);
        ret = gfs2_rs_alloc(ip);
        if (ret)
                return ret;
 
 
 static void revoke_lo_before_commit(struct gfs2_sbd *sdp)
 {
-       struct gfs2_log_descriptor *ld;
        struct gfs2_meta_header *mh;
        unsigned int offset;
        struct list_head *head = &sdp->sd_log_le_revoke;
 
        length = gfs2_struct2blk(sdp, sdp->sd_log_num_revoke, sizeof(u64));
        page = gfs2_get_log_desc(sdp, GFS2_LOG_DESC_REVOKE, length, sdp->sd_log_num_revoke);
-       ld = page_address(page);
        offset = sizeof(struct gfs2_log_descriptor);
 
        list_for_each_entry(bd, head, bd_list) {