u32 bits_wanted, u32 min_bits,
                                    u64 max_block,
                                    struct ocfs2_suballoc_result *res);
-static int ocfs2_claim_suballoc_bits(struct ocfs2_super *osb,
-                                    struct ocfs2_alloc_context *ac,
+static int ocfs2_claim_suballoc_bits(struct ocfs2_alloc_context *ac,
                                     handle_t *handle,
                                     u32 bits_wanted,
                                     u32 min_bits,
 }
 
 /* will give out up to bits_wanted contiguous bits. */
-static int ocfs2_claim_suballoc_bits(struct ocfs2_super *osb,
-                                    struct ocfs2_alloc_context *ac,
+static int ocfs2_claim_suballoc_bits(struct ocfs2_alloc_context *ac,
                                     handle_t *handle,
                                     u32 bits_wanted,
                                     u32 min_bits,
 
        if (le32_to_cpu(fe->id1.bitmap1.i_used) >=
            le32_to_cpu(fe->id1.bitmap1.i_total)) {
-               ocfs2_error(osb->sb, "Chain allocator dinode %llu has %u used "
+               ocfs2_error(ac->ac_inode->i_sb,
+                           "Chain allocator dinode %llu has %u used "
                            "bits but only %u total.",
                            (unsigned long long)le64_to_cpu(fe->i_blkno),
                            le32_to_cpu(fe->id1.bitmap1.i_used),
        BUG_ON(ac->ac_bits_wanted < (ac->ac_bits_given + bits_wanted));
        BUG_ON(ac->ac_which != OCFS2_AC_USE_META);
 
-       status = ocfs2_claim_suballoc_bits(osb,
-                                          ac,
+       status = ocfs2_claim_suballoc_bits(ac,
                                           handle,
                                           bits_wanted,
                                           1,
 
        ocfs2_init_inode_ac_group(dir, parent_fe_bh, ac);
 
-       status = ocfs2_claim_suballoc_bits(osb,
-                                          ac,
+       status = ocfs2_claim_suballoc_bits(ac,
                                           handle,
                                           1,
                                           1,
                if (bits_wanted > (osb->bitmap_cpg - 1))
                        bits_wanted = osb->bitmap_cpg - 1;
 
-               status = ocfs2_claim_suballoc_bits(osb,
-                                                  ac,
+               status = ocfs2_claim_suballoc_bits(ac,
                                                   handle,
                                                   bits_wanted,
                                                   min_clusters,