struct gfs2_rgrp_host {
        u32 rg_free;
        u32 rg_dinodes;
-       u64 rg_igeneration;
 };
 
 struct gfs2_rgrpd {
        u32 rd_data;                    /* num of data blocks in rgrp */
        u32 rd_bitbytes;                /* number of bytes in data bitmaps */
        struct gfs2_rgrp_host rd_rg;
+       u64 rd_igeneration;
        struct gfs2_bitmap *rd_bits;
        unsigned int rd_bh_count;
        struct mutex rd_mutex;
 
                rgd->rd_flags &= ~GFS2_RDF_NOALLOC;
        rg->rg_free = be32_to_cpu(str->rg_free);
        rg->rg_dinodes = be32_to_cpu(str->rg_dinodes);
-       rg->rg_igeneration = be64_to_cpu(str->rg_igeneration);
+       rgd->rd_igeneration = be64_to_cpu(str->rg_igeneration);
 }
 
 static void gfs2_rgrp_out(struct gfs2_rgrpd *rgd, void *buf)
        str->rg_free = cpu_to_be32(rg->rg_free);
        str->rg_dinodes = cpu_to_be32(rg->rg_dinodes);
        str->__pad = cpu_to_be32(0);
-       str->rg_igeneration = cpu_to_be64(rg->rg_igeneration);
+       str->rg_igeneration = cpu_to_be64(rgd->rd_igeneration);
        memset(&str->rg_reserved, 0, sizeof(str->rg_reserved));
 }
 
        gfs2_assert_withdraw(sdp, rgd->rd_rg.rg_free);
        rgd->rd_rg.rg_free--;
        rgd->rd_rg.rg_dinodes++;
-       *generation = rgd->rd_rg.rg_igeneration++;
+       *generation = rgd->rd_igeneration++;
        gfs2_trans_add_bh(rgd->rd_gl, rgd->rd_bits[0].bi_bh, 1);
        gfs2_rgrp_out(rgd, rgd->rd_bits[0].bi_bh->b_data);