};
 
 struct ocfs2_xattr_set_ctxt {
+       handle_t *handle;
        struct ocfs2_alloc_context *meta_ac;
        struct ocfs2_alloc_context *data_ac;
        struct ocfs2_cached_dealloc_ctxt dealloc;
                                         struct ocfs2_xattr_set_ctxt *ctxt)
 {
        int status = 0;
-       int restart_func = 0;
-       int credits = 0;
-       handle_t *handle = NULL;
+       handle_t *handle = ctxt->handle;
        enum ocfs2_alloc_restarted why;
        struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
        u32 prev_clusters, logical_start = le32_to_cpu(xv->xr_clusters);
 
        ocfs2_init_xattr_value_extent_tree(&et, inode, xattr_bh, xv);
 
-restart_all:
-
-       credits = ocfs2_calc_extend_credits(osb->sb, et.et_root_el,
-                                           clusters_to_add);
-       handle = ocfs2_start_trans(osb, credits);
-       if (IS_ERR(handle)) {
-               status = PTR_ERR(handle);
-               handle = NULL;
-               mlog_errno(status);
-               goto leave;
-       }
-
-restarted_transaction:
        status = ocfs2_journal_access(handle, inode, xattr_bh,
                                      OCFS2_JOURNAL_ACCESS_WRITE);
        if (status < 0) {
                                             ctxt->data_ac,
                                             ctxt->meta_ac,
                                             &why);
-       if ((status < 0) && (status != -EAGAIN)) {
-               if (status != -ENOSPC)
-                       mlog_errno(status);
+       if (status < 0) {
+               mlog_errno(status);
                goto leave;
        }
 
 
        clusters_to_add -= le32_to_cpu(xv->xr_clusters) - prev_clusters;
 
-       if (why != RESTART_NONE && clusters_to_add) {
-               if (why == RESTART_META) {
-                       mlog(0, "restarting function.\n");
-                       restart_func = 1;
-               } else {
-                       BUG_ON(why != RESTART_TRANS);
-
-                       mlog(0, "restarting transaction.\n");
-                       /* TODO: This can be more intelligent. */
-                       credits = ocfs2_calc_extend_credits(osb->sb,
-                                                           et.et_root_el,
-                                                           clusters_to_add);
-                       status = ocfs2_extend_trans(handle, credits);
-                       if (status < 0) {
-                               /* handle still has to be committed at
-                                * this point. */
-                               status = -ENOMEM;
-                               mlog_errno(status);
-                               goto leave;
-                       }
-                       goto restarted_transaction;
-               }
-       }
+       /*
+        * We should have already allocated enough space before the transaction,
+        * so no need to restart.
+        */
+       BUG_ON(why != RESTART_NONE || clusters_to_add);
 
 leave:
-       if (handle) {
-               ocfs2_commit_trans(osb, handle);
-               handle = NULL;
-       }
-       if ((!status) && restart_func) {
-               restart_func = 0;
-               goto restart_all;
-       }
 
        return status;
 }
 {
        int ret;
        u64 phys_blkno = ocfs2_clusters_to_blocks(inode->i_sb, phys_cpos);
-       struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
-       handle_t *handle;
+       handle_t *handle = ctxt->handle;
        struct ocfs2_extent_tree et;
 
        ocfs2_init_xattr_value_extent_tree(&et, inode, root_bh, xv);
 
-       handle = ocfs2_start_trans(osb, OCFS2_REMOVE_EXTENT_CREDITS);
-       if (IS_ERR(handle)) {
-               ret = PTR_ERR(handle);
-               mlog_errno(ret);
-               goto out;
-       }
-
        ret = ocfs2_journal_access(handle, inode, root_bh,
                                   OCFS2_JOURNAL_ACCESS_WRITE);
        if (ret) {
                mlog_errno(ret);
-               goto out_commit;
+               goto out;
        }
 
        ret = ocfs2_remove_extent(inode, &et, cpos, len, handle, ctxt->meta_ac,
                                  &ctxt->dealloc);
        if (ret) {
                mlog_errno(ret);
-               goto out_commit;
+               goto out;
        }
 
        le32_add_cpu(&xv->xr_clusters, -len);
        ret = ocfs2_journal_dirty(handle, root_bh);
        if (ret) {
                mlog_errno(ret);
-               goto out_commit;
+               goto out;
        }
 
        ret = ocfs2_cache_cluster_dealloc(&ctxt->dealloc, phys_blkno, len);
        if (ret)
                mlog_errno(ret);
 
-out_commit:
-       ocfs2_commit_trans(osb, handle);
 out:
        return ret;
 }
 }
 
 static int __ocfs2_xattr_set_value_outside(struct inode *inode,
+                                          handle_t *handle,
                                           struct ocfs2_xattr_value_root *xv,
                                           const void *value,
                                           int value_len)
        u32 clusters = ocfs2_clusters_for_bytes(inode->i_sb, value_len);
        u64 blkno;
        struct buffer_head *bh = NULL;
-       handle_t *handle;
 
        BUG_ON(clusters > le32_to_cpu(xv->xr_clusters));
 
+       /*
+        * In __ocfs2_xattr_set_value_outside has already been dirtied,
+        * so we don't need to worry about whether ocfs2_extend_trans
+        * will create a new transactio for us or not.
+        */
        credits = clusters * bpc;
-       handle = ocfs2_start_trans(OCFS2_SB(inode->i_sb), credits);
-       if (IS_ERR(handle)) {
-               ret = PTR_ERR(handle);
+       ret = ocfs2_extend_trans(handle, credits);
+       if (ret) {
                mlog_errno(ret);
                goto out;
        }
                                               &num_clusters, &xv->xr_list);
                if (ret) {
                        mlog_errno(ret);
-                       goto out_commit;
+                       goto out;
                }
 
                blkno = ocfs2_clusters_to_blocks(inode->i_sb, p_cluster);
                        ret = ocfs2_read_block(inode, blkno, &bh);
                        if (ret) {
                                mlog_errno(ret);
-                               goto out_commit;
+                               goto out;
                        }
 
                        ret = ocfs2_journal_access(handle,
                                                   OCFS2_JOURNAL_ACCESS_WRITE);
                        if (ret < 0) {
                                mlog_errno(ret);
-                               goto out_commit;
+                               goto out;
                        }
 
                        cp_len = value_len > blocksize ? blocksize : value_len;
                        ret = ocfs2_journal_dirty(handle, bh);
                        if (ret < 0) {
                                mlog_errno(ret);
-                               goto out_commit;
+                               goto out;
                        }
                        brelse(bh);
                        bh = NULL;
                }
                cpos += num_clusters;
        }
-out_commit:
-       ocfs2_commit_trans(OCFS2_SB(inode->i_sb), handle);
 out:
        brelse(bh);
 
 }
 
 static int ocfs2_xattr_cleanup(struct inode *inode,
+                              handle_t *handle,
                               struct ocfs2_xattr_info *xi,
                               struct ocfs2_xattr_search *xs,
                               size_t offs)
 {
-       handle_t *handle = NULL;
        int ret = 0;
        size_t name_len = strlen(xi->name);
        void *val = xs->base + offs;
        size_t size = OCFS2_XATTR_SIZE(name_len) + OCFS2_XATTR_ROOT_SIZE;
 
-       handle = ocfs2_start_trans((OCFS2_SB(inode->i_sb)),
-                                  OCFS2_XATTR_BLOCK_UPDATE_CREDITS);
-       if (IS_ERR(handle)) {
-               ret = PTR_ERR(handle);
-               mlog_errno(ret);
-               goto out;
-       }
        ret = ocfs2_journal_access(handle, inode, xs->xattr_bh,
                                   OCFS2_JOURNAL_ACCESS_WRITE);
        if (ret) {
                mlog_errno(ret);
-               goto out_commit;
+               goto out;
        }
        /* Decrease xattr count */
        le16_add_cpu(&xs->header->xh_count, -1);
        ret = ocfs2_journal_dirty(handle, xs->xattr_bh);
        if (ret < 0)
                mlog_errno(ret);
-out_commit:
-       ocfs2_commit_trans(OCFS2_SB(inode->i_sb), handle);
 out:
        return ret;
 }
 
 static int ocfs2_xattr_update_entry(struct inode *inode,
+                                   handle_t *handle,
                                    struct ocfs2_xattr_info *xi,
                                    struct ocfs2_xattr_search *xs,
                                    size_t offs)
 {
-       handle_t *handle = NULL;
-       int ret = 0;
+       int ret;
 
-       handle = ocfs2_start_trans((OCFS2_SB(inode->i_sb)),
-                                  OCFS2_XATTR_BLOCK_UPDATE_CREDITS);
-       if (IS_ERR(handle)) {
-               ret = PTR_ERR(handle);
-               mlog_errno(ret);
-               goto out;
-       }
        ret = ocfs2_journal_access(handle, inode, xs->xattr_bh,
                                   OCFS2_JOURNAL_ACCESS_WRITE);
        if (ret) {
                mlog_errno(ret);
-               goto out_commit;
+               goto out;
        }
 
        xs->here->xe_name_offset = cpu_to_le16(offs);
        ret = ocfs2_journal_dirty(handle, xs->xattr_bh);
        if (ret < 0)
                mlog_errno(ret);
-out_commit:
-       ocfs2_commit_trans(OCFS2_SB(inode->i_sb), handle);
 out:
        return ret;
 }
                mlog_errno(ret);
                return ret;
        }
-       ret = __ocfs2_xattr_set_value_outside(inode, xv, xi->value,
-                                             xi->value_len);
+       ret = ocfs2_xattr_update_entry(inode, ctxt->handle, xi, xs, offs);
        if (ret < 0) {
                mlog_errno(ret);
                return ret;
        }
-       ret = ocfs2_xattr_update_entry(inode, xi, xs, offs);
+       ret = __ocfs2_xattr_set_value_outside(inode, ctxt->handle, xv,
+                                             xi->value, xi->value_len);
        if (ret < 0)
                mlog_errno(ret);
 
        struct ocfs2_dinode *di = (struct ocfs2_dinode *)xs->inode_bh->b_data;
        size_t min_offs = xs->end - xs->base, name_len = strlen(xi->name);
        size_t size_l = 0;
-       handle_t *handle = NULL;
+       handle_t *handle = ctxt->handle;
        int free, i, ret;
        struct ocfs2_xattr_info xi_l = {
                .name_index = xi->name_index,
                                        goto out;
                                }
 
-                               ret = __ocfs2_xattr_set_value_outside(inode,
-                                                               xv,
-                                                               xi->value,
-                                                               xi->value_len);
+                               ret = ocfs2_xattr_update_entry(inode,
+                                                              handle,
+                                                              xi,
+                                                              xs,
+                                                              offs);
                                if (ret < 0) {
                                        mlog_errno(ret);
                                        goto out;
                                }
 
-                               ret = ocfs2_xattr_update_entry(inode,
-                                                              xi,
-                                                              xs,
-                                                              offs);
+                               ret = __ocfs2_xattr_set_value_outside(inode,
+                                                               handle,
+                                                               xv,
+                                                               xi->value,
+                                                               xi->value_len);
                                if (ret < 0)
                                        mlog_errno(ret);
                                goto out;
                                 * just trucate old value to zero.
                                 */
                                 ret = ocfs2_xattr_value_truncate(inode,
-                                                                xs->xattr_bh,
-                                                                xv,
-                                                                0,
-                                                                ctxt);
+                                                                 xs->xattr_bh,
+                                                                 xv,
+                                                                 0,
+                                                                 ctxt);
                                if (ret < 0)
                                        mlog_errno(ret);
                        }
                }
        }
 
-       handle = ocfs2_start_trans((OCFS2_SB(inode->i_sb)),
-                                  OCFS2_INODE_UPDATE_CREDITS);
-       if (IS_ERR(handle)) {
-               ret = PTR_ERR(handle);
-               mlog_errno(ret);
-               goto out;
-       }
-
        ret = ocfs2_journal_access(handle, inode, xs->inode_bh,
                                   OCFS2_JOURNAL_ACCESS_WRITE);
        if (ret) {
                mlog_errno(ret);
-               goto out_commit;
+               goto out;
        }
 
        if (!(flag & OCFS2_INLINE_XATTR_FL)) {
-               /* set extended attribute in external block. */
-               ret = ocfs2_extend_trans(handle,
-                                        OCFS2_INODE_UPDATE_CREDITS +
-                                        OCFS2_XATTR_BLOCK_UPDATE_CREDITS);
-               if (ret) {
-                       mlog_errno(ret);
-                       goto out_commit;
-               }
                ret = ocfs2_journal_access(handle, inode, xs->xattr_bh,
                                           OCFS2_JOURNAL_ACCESS_WRITE);
                if (ret) {
                        mlog_errno(ret);
-                       goto out_commit;
+                       goto out;
                }
        }
 
                ret = ocfs2_journal_dirty(handle, xs->xattr_bh);
                if (ret < 0) {
                        mlog_errno(ret);
-                       goto out_commit;
+                       goto out;
                }
        }
 
        if (ret < 0)
                mlog_errno(ret);
 
-out_commit:
-       ocfs2_commit_trans(OCFS2_SB(inode->i_sb), handle);
-
        if (!ret && xi->value_len > OCFS2_XATTR_INLINE_SIZE) {
                /*
                 * Set value outside in B tree.
                         * If set value outside failed, we have to clean
                         * the junk tree root we have already set in local.
                         */
-                       ret2 = ocfs2_xattr_cleanup(inode, xi, xs, offs);
+                       ret2 = ocfs2_xattr_cleanup(inode, ctxt->handle,
+                                                  xi, xs, offs);
                        if (ret2 < 0)
                                mlog_errno(ret2);
                }
        }
 out:
        return ret;
-
 }
 
 static int ocfs2_remove_value_outside(struct inode*inode,
 
        ocfs2_init_dealloc_ctxt(&ctxt.dealloc);
 
+       ctxt.handle = ocfs2_start_trans(osb, OCFS2_REMOVE_EXTENT_CREDITS);
+       if (IS_ERR(ctxt.handle)) {
+               ret = PTR_ERR(ctxt.handle);
+               mlog_errno(ret);
+               goto out;
+       }
+
        for (i = 0; i < le16_to_cpu(header->xh_count); i++) {
                struct ocfs2_xattr_entry *entry = &header->xh_entries[i];
 
                }
        }
 
+       ocfs2_commit_trans(osb, ctxt.handle);
        ocfs2_schedule_truncate_log_flush(osb, 1);
        ocfs2_run_deallocs(osb, &ctxt.dealloc);
+out:
        return ret;
 }
 
        struct buffer_head *new_bh = NULL;
        struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
        struct ocfs2_dinode *di =  (struct ocfs2_dinode *)xs->inode_bh->b_data;
-       handle_t *handle = NULL;
+       handle_t *handle = ctxt->handle;
        struct ocfs2_xattr_block *xblk = NULL;
        u16 suballoc_bit_start;
        u32 num_got;
        int ret;
 
        if (!xs->xattr_bh) {
-               handle = ocfs2_start_trans(osb,
-                                          OCFS2_XATTR_BLOCK_CREATE_CREDITS);
-               if (IS_ERR(handle)) {
-                       ret = PTR_ERR(handle);
-                       mlog_errno(ret);
-                       goto out;
-               }
                ret = ocfs2_journal_access(handle, inode, xs->inode_bh,
                                           OCFS2_JOURNAL_ACCESS_CREATE);
                if (ret < 0) {
                        mlog_errno(ret);
-                       goto out_commit;
+                       goto end;
                }
 
                ret = ocfs2_claim_metadata(osb, handle, ctxt->meta_ac, 1,
                                           &first_blkno);
                if (ret < 0) {
                        mlog_errno(ret);
-                       goto out_commit;
+                       goto end;
                }
 
                new_bh = sb_getblk(inode->i_sb, first_blkno);
                                           OCFS2_JOURNAL_ACCESS_CREATE);
                if (ret < 0) {
                        mlog_errno(ret);
-                       goto out_commit;
+                       goto end;
                }
 
                /* Initialize ocfs2_xattr_block */
                ret = ocfs2_journal_dirty(handle, new_bh);
                if (ret < 0) {
                        mlog_errno(ret);
-                       goto out_commit;
+                       goto end;
                }
                di->i_xattr_loc = cpu_to_le64(first_blkno);
-               ret = ocfs2_journal_dirty(handle, xs->inode_bh);
-               if (ret < 0)
-                       mlog_errno(ret);
-out_commit:
-               ocfs2_commit_trans(osb, handle);
-out:
-               if (ret < 0)
-                       return ret;
+               ocfs2_journal_dirty(handle, xs->inode_bh);
        } else
                xblk = (struct ocfs2_xattr_block *)xs->xattr_bh->b_data;
 
                                     struct ocfs2_xattr_search *xis,
                                     struct ocfs2_xattr_search *xbs,
                                     int *clusters_need,
-                                    int *meta_need)
+                                    int *meta_need,
+                                    int *credits_need)
 {
        int ret = 0, old_in_xb = 0;
-       int clusters_add = 0, meta_add = 0;
+       int clusters_add = 0, meta_add = 0, credits = 0;
        struct buffer_head *bh = NULL;
        struct ocfs2_xattr_block *xb = NULL;
        struct ocfs2_xattr_entry *xe = NULL;
                                                    xi->value_len);
        u64 value_size;
 
-       /*
-        * delete a xattr doesn't need metadata and cluster allocation.
-        * so return.
-        */
-       if (!xi->value)
-               goto out;
-
        if (xis->not_found && xbs->not_found) {
-               if (xi->value_len > OCFS2_XATTR_INLINE_SIZE)
+               credits += ocfs2_blocks_per_xattr_bucket(inode->i_sb);
+
+               if (xi->value_len > OCFS2_XATTR_INLINE_SIZE) {
                        clusters_add += new_clusters;
+                       credits += ocfs2_calc_extend_credits(inode->i_sb,
+                                                       &def_xv.xv.xr_list,
+                                                       new_clusters);
+               }
 
                goto meta_guess;
        }
                name_offset = le16_to_cpu(xe->xe_name_offset);
                name_len = OCFS2_XATTR_SIZE(xe->xe_name_len);
                base = xis->base;
+               credits += OCFS2_INODE_UPDATE_CREDITS;
        } else {
                int i, block_off;
                xb = (struct ocfs2_xattr_block *)xbs->xattr_bh->b_data;
                                                        i, &block_off,
                                                        &name_offset);
                        base = bucket_block(xbs->bucket, block_off);
-               } else
+                       credits += ocfs2_blocks_per_xattr_bucket(inode->i_sb);
+               } else {
                        base = xbs->base;
+                       credits += OCFS2_XATTR_BLOCK_UPDATE_CREDITS;
+               }
+       }
+
+       /*
+        * delete a xattr doesn't need metadata and cluster allocation.
+        * so just calculate the credits and return.
+        *
+        * The credits for removing the value tree will be extended
+        * by ocfs2_remove_extent itself.
+        */
+       if (!xi->value) {
+               if (!ocfs2_xattr_is_local(xe))
+                       credits += OCFS2_REMOVE_EXTENT_CREDITS;
+
+               goto out;
        }
 
        /* do cluster allocation guess first. */
                 */
                if (ocfs2_xattr_can_be_in_inode(inode, xi, xis)) {
                        clusters_add += new_clusters;
+                       credits += OCFS2_REMOVE_EXTENT_CREDITS +
+                                   OCFS2_INODE_UPDATE_CREDITS;
+                       if (!ocfs2_xattr_is_local(xe))
+                               credits += ocfs2_calc_extend_credits(
+                                                       inode->i_sb,
+                                                       &def_xv.xv.xr_list,
+                                                       new_clusters);
                        goto out;
                }
        }
                } else
                        xv = &def_xv.xv;
 
-               if (old_clusters >= new_clusters)
+               if (old_clusters >= new_clusters) {
+                       credits += OCFS2_REMOVE_EXTENT_CREDITS;
                        goto out;
-               else {
+               } else {
                        meta_add += ocfs2_extend_meta_needed(&xv->xr_list);
                        clusters_add += new_clusters - old_clusters;
+                       credits += ocfs2_calc_extend_credits(inode->i_sb,
+                                                            &xv->xr_list,
+                                                            new_clusters -
+                                                            old_clusters);
                        goto out;
                }
        } else {
                        struct ocfs2_extent_list *el =
                                 &xb->xb_attrs.xb_root.xt_list;
                        meta_add += ocfs2_extend_meta_needed(el);
+                       credits += ocfs2_calc_extend_credits(inode->i_sb,
+                                                            el, 1);
                }
 
                /*
                 * also.
                 */
                clusters_add += 1;
+               credits += ocfs2_blocks_per_xattr_bucket(inode->i_sb);
                if (OCFS2_XATTR_BUCKET_SIZE ==
-                       OCFS2_SB(inode->i_sb)->s_clustersize)
+                       OCFS2_SB(inode->i_sb)->s_clustersize) {
+                       credits += ocfs2_blocks_per_xattr_bucket(inode->i_sb);
                        clusters_add += 1;
-       } else
+               }
+       } else {
                meta_add += 1;
+               credits += OCFS2_XATTR_BLOCK_CREATE_CREDITS;
+       }
 out:
        if (clusters_need)
                *clusters_need = clusters_add;
        if (meta_need)
                *meta_need = meta_add;
+       if (credits_need)
+               *credits_need = credits;
        brelse(bh);
        return ret;
 }
                                     struct ocfs2_xattr_info *xi,
                                     struct ocfs2_xattr_search *xis,
                                     struct ocfs2_xattr_search *xbs,
-                                    struct ocfs2_xattr_set_ctxt *ctxt)
+                                    struct ocfs2_xattr_set_ctxt *ctxt,
+                                    int *credits)
 {
        int clusters_add, meta_add, ret;
        struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
        ocfs2_init_dealloc_ctxt(&ctxt->dealloc);
 
        ret = ocfs2_calc_xattr_set_need(inode, di, xi, xis, xbs,
-                                       &clusters_add, &meta_add);
+                                       &clusters_add, &meta_add, credits);
        if (ret) {
                mlog_errno(ret);
                return ret;
        }
 
-       mlog(0, "Set xattr %s, reserve meta blocks = %d, clusters = %d\n",
-            xi->name, meta_add, clusters_add);
+       mlog(0, "Set xattr %s, reserve meta blocks = %d, clusters = %d, "
+            "credits = %d\n", xi->name, meta_add, clusters_add, *credits);
 
        if (meta_add) {
                ret = ocfs2_reserve_new_metadata_blocks(osb, meta_add,
        return ret;
 }
 
+static int __ocfs2_xattr_set_handle(struct inode *inode,
+                                   struct ocfs2_dinode *di,
+                                   struct ocfs2_xattr_info *xi,
+                                   struct ocfs2_xattr_search *xis,
+                                   struct ocfs2_xattr_search *xbs,
+                                   struct ocfs2_xattr_set_ctxt *ctxt)
+{
+       int ret = 0, credits;
+
+       if (!xi->value) {
+               /* Remove existing extended attribute */
+               if (!xis->not_found)
+                       ret = ocfs2_xattr_ibody_set(inode, xi, xis, ctxt);
+               else if (!xbs->not_found)
+                       ret = ocfs2_xattr_block_set(inode, xi, xbs, ctxt);
+       } else {
+               /* We always try to set extended attribute into inode first*/
+               ret = ocfs2_xattr_ibody_set(inode, xi, xis, ctxt);
+               if (!ret && !xbs->not_found) {
+                       /*
+                        * If succeed and that extended attribute existing in
+                        * external block, then we will remove it.
+                        */
+                       xi->value = NULL;
+                       xi->value_len = 0;
+
+                       xis->not_found = -ENODATA;
+                       ret = ocfs2_calc_xattr_set_need(inode,
+                                                       di,
+                                                       xi,
+                                                       xis,
+                                                       xbs,
+                                                       NULL,
+                                                       NULL,
+                                                       &credits);
+                       if (ret) {
+                               mlog_errno(ret);
+                               goto out;
+                       }
+
+                       ret = ocfs2_extend_trans(ctxt->handle, credits +
+                                       ctxt->handle->h_buffer_credits);
+                       if (ret) {
+                               mlog_errno(ret);
+                               goto out;
+                       }
+                       ret = ocfs2_xattr_block_set(inode, xi, xbs, ctxt);
+               } else if (ret == -ENOSPC) {
+                       if (di->i_xattr_loc && !xbs->xattr_bh) {
+                               ret = ocfs2_xattr_block_find(inode,
+                                                            xi->name_index,
+                                                            xi->name, xbs);
+                               if (ret)
+                                       goto out;
+
+                               xis->not_found = -ENODATA;
+                               ret = ocfs2_calc_xattr_set_need(inode,
+                                                               di,
+                                                               xi,
+                                                               xis,
+                                                               xbs,
+                                                               NULL,
+                                                               NULL,
+                                                               &credits);
+                               if (ret) {
+                                       mlog_errno(ret);
+                                       goto out;
+                               }
+
+                               ret = ocfs2_extend_trans(ctxt->handle, credits +
+                                       ctxt->handle->h_buffer_credits);
+                               if (ret) {
+                                       mlog_errno(ret);
+                                       goto out;
+                               }
+                       }
+                       /*
+                        * If no space in inode, we will set extended attribute
+                        * into external block.
+                        */
+                       ret = ocfs2_xattr_block_set(inode, xi, xbs, ctxt);
+                       if (ret)
+                               goto out;
+                       if (!xis->not_found) {
+                               /*
+                                * If succeed and that extended attribute
+                                * existing in inode, we will remove it.
+                                */
+                               xi->value = NULL;
+                               xi->value_len = 0;
+                               xbs->not_found = -ENODATA;
+                               ret = ocfs2_calc_xattr_set_need(inode,
+                                                               di,
+                                                               xi,
+                                                               xis,
+                                                               xbs,
+                                                               NULL,
+                                                               NULL,
+                                                               &credits);
+                               if (ret) {
+                                       mlog_errno(ret);
+                                       goto out;
+                               }
+
+                               ret = ocfs2_extend_trans(ctxt->handle, credits +
+                                               ctxt->handle->h_buffer_credits);
+                               if (ret) {
+                                       mlog_errno(ret);
+                                       goto out;
+                               }
+                               ret = ocfs2_xattr_ibody_set(inode, xi,
+                                                           xis, ctxt);
+                       }
+               }
+       }
+
+out:
+       return ret;
+}
+
 /*
  * ocfs2_xattr_set()
  *
 {
        struct buffer_head *di_bh = NULL;
        struct ocfs2_dinode *di;
-       int ret;
+       int ret, credits;
        struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
+       struct inode *tl_inode = osb->osb_tl_inode;
        struct ocfs2_xattr_set_ctxt ctxt = { NULL, NULL, };
 
        struct ocfs2_xattr_info xi = {
                        goto cleanup;
        }
 
-       ret = ocfs2_init_xattr_set_ctxt(inode, di, &xi, &xis, &xbs, &ctxt);
+
+       mutex_lock(&tl_inode->i_mutex);
+
+       if (ocfs2_truncate_log_needs_flush(osb)) {
+               ret = __ocfs2_flush_truncate_log(osb);
+               if (ret < 0) {
+                       mutex_unlock(&tl_inode->i_mutex);
+                       mlog_errno(ret);
+                       goto cleanup;
+               }
+       }
+       mutex_unlock(&tl_inode->i_mutex);
+
+       ret = ocfs2_init_xattr_set_ctxt(inode, di, &xi, &xis,
+                                       &xbs, &ctxt, &credits);
        if (ret) {
                mlog_errno(ret);
                goto cleanup;
        }
 
-       if (!value) {
-               /* Remove existing extended attribute */
-               if (!xis.not_found)
-                       ret = ocfs2_xattr_ibody_set(inode, &xi, &xis, &ctxt);
-               else if (!xbs.not_found)
-                       ret = ocfs2_xattr_block_set(inode, &xi, &xbs, &ctxt);
-       } else {
-               /* We always try to set extended attribute into inode first*/
-               ret = ocfs2_xattr_ibody_set(inode, &xi, &xis, &ctxt);
-               if (!ret && !xbs.not_found) {
-                       /*
-                        * If succeed and that extended attribute existing in
-                        * external block, then we will remove it.
-                        */
-                       xi.value = NULL;
-                       xi.value_len = 0;
-                       ret = ocfs2_xattr_block_set(inode, &xi, &xbs, &ctxt);
-               } else if (ret == -ENOSPC) {
-                       if (di->i_xattr_loc && !xbs.xattr_bh) {
-                               ret = ocfs2_xattr_block_find(inode, name_index,
-                                                            name, &xbs);
-                               if (ret)
-                                       goto cleanup;
-                       }
-                       /*
-                        * If no space in inode, we will set extended attribute
-                        * into external block.
-                        */
-                       ret = ocfs2_xattr_block_set(inode, &xi, &xbs, &ctxt);
-                       if (ret)
-                               goto free;
-                       if (!xis.not_found) {
-                               /*
-                                * If succeed and that extended attribute
-                                * existing in inode, we will remove it.
-                                */
-                               xi.value = NULL;
-                               xi.value_len = 0;
-                               ret = ocfs2_xattr_ibody_set(inode, &xi,
-                                                           &xis, &ctxt);
-                       }
-               }
+       ctxt.handle = ocfs2_start_trans(osb, credits);
+       if (IS_ERR(ctxt.handle)) {
+               ret = PTR_ERR(ctxt.handle);
+               mlog_errno(ret);
+               goto cleanup;
        }
-free:
+
+       ret = __ocfs2_xattr_set_handle(inode, di, &xi, &xis, &xbs, &ctxt);
+
+       ocfs2_commit_trans(osb, ctxt.handle);
+
        if (ctxt.data_ac)
                ocfs2_free_alloc_context(ctxt.data_ac);
        if (ctxt.meta_ac)
                                          struct ocfs2_xattr_search *xs,
                                          struct ocfs2_xattr_set_ctxt *ctxt)
 {
-       int ret, credits = OCFS2_SUBALLOC_ALLOC;
+       int ret;
        u32 bit_off, len;
        u64 blkno;
-       handle_t *handle;
+       handle_t *handle = ctxt->handle;
        struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
        struct ocfs2_inode_info *oi = OCFS2_I(inode);
        struct buffer_head *xb_bh = xs->xattr_bh;
         */
        down_write(&oi->ip_alloc_sem);
 
-       /*
-        * We need more credits.  One for the xattr block update and one
-        * for each block of the new xattr bucket.
-        */
-       credits += 1 + ocfs2_blocks_per_xattr_bucket(inode->i_sb);
-       handle = ocfs2_start_trans(osb, credits);
-       if (IS_ERR(handle)) {
-               ret = PTR_ERR(handle);
-               mlog_errno(ret);
-               goto out_sem;
-       }
-
        ret = ocfs2_journal_access(handle, inode, xb_bh,
                                   OCFS2_JOURNAL_ACCESS_WRITE);
        if (ret) {
                mlog_errno(ret);
-               goto out_commit;
+               goto out;
        }
 
        ret = __ocfs2_claim_clusters(osb, handle, ctxt->data_ac,
                                     1, 1, &bit_off, &len);
        if (ret) {
                mlog_errno(ret);
-               goto out_commit;
+               goto out;
        }
 
        /*
        ret = ocfs2_init_xattr_bucket(xs->bucket, blkno);
        if (ret) {
                mlog_errno(ret);
-               goto out_commit;
+               goto out;
        }
 
        ret = ocfs2_xattr_bucket_journal_access(handle, xs->bucket,
                                                OCFS2_JOURNAL_ACCESS_CREATE);
        if (ret) {
                mlog_errno(ret);
-               goto out_commit;
+               goto out;
        }
 
        ocfs2_cp_xattr_block_to_bucket(inode, xb_bh, xs->bucket);
 
        xb->xb_flags = cpu_to_le16(xb_flags | OCFS2_XATTR_INDEXED);
 
-       ret = ocfs2_journal_dirty(handle, xb_bh);
-       if (ret) {
-               mlog_errno(ret);
-               goto out_commit;
-       }
+       ocfs2_journal_dirty(handle, xb_bh);
 
-out_commit:
-       ocfs2_commit_trans(osb, handle);
-
-out_sem:
+out:
        up_write(&oi->ip_alloc_sem);
 
        return ret;
  * so that we can spare some space for insertion.
  */
 static int ocfs2_defrag_xattr_bucket(struct inode *inode,
+                                    handle_t *handle,
                                     struct ocfs2_xattr_bucket *bucket)
 {
        int ret, i;
        u64 blkno = bucket_blkno(bucket);
        u16 xh_free_start;
        size_t blocksize = inode->i_sb->s_blocksize;
-       handle_t *handle;
        struct ocfs2_xattr_entry *xe;
 
        /*
        for (i = 0; i < bucket->bu_blocks; i++, buf += blocksize)
                memcpy(buf, bucket_block(bucket, i), blocksize);
 
-       handle = ocfs2_start_trans((OCFS2_SB(inode->i_sb)), bucket->bu_blocks);
-       if (IS_ERR(handle)) {
-               ret = PTR_ERR(handle);
-               handle = NULL;
-               mlog_errno(ret);
-               goto out;
-       }
-
        ret = ocfs2_xattr_bucket_journal_access(handle, bucket,
                                                OCFS2_JOURNAL_ACCESS_WRITE);
        if (ret < 0) {
                mlog_errno(ret);
-               goto commit;
+               goto out;
        }
 
        xh = (struct ocfs2_xattr_header *)bucket_buf;
                        "bucket %llu\n", (unsigned long long)blkno);
 
        if (xh_free_start == end)
-               goto commit;
+               goto out;
 
        memset(bucket_buf + xh_free_start, 0, end - xh_free_start);
        xh->xh_free_start = cpu_to_le16(end);
                memcpy(bucket_block(bucket, i), buf, blocksize);
        ocfs2_xattr_bucket_journal_dirty(handle, bucket);
 
-commit:
-       ocfs2_commit_trans(OCFS2_SB(inode->i_sb), handle);
 out:
        kfree(bucket_buf);
        return ret;
         * 1 more for the update of the 1st bucket of the previous
         * extent record.
         */
-       credits = bpc / 2 + 1;
+       credits = bpc / 2 + 1 + handle->h_buffer_credits;
        ret = ocfs2_extend_trans(handle, credits);
        if (ret) {
                mlog_errno(ret);
         * We need to update the new cluster and 1 more for the update of
         * the 1st bucket of the previous extent rec.
         */
-       credits = bpc + 1;
+       credits = bpc + 1 + handle->h_buffer_credits;
        ret = ocfs2_extend_trans(handle, credits);
        if (ret) {
                mlog_errno(ret);
                                      u32 *first_hash)
 {
        u16 blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb);
-       int ret, credits = 2 * blk_per_bucket;
+       int ret, credits = 2 * blk_per_bucket + handle->h_buffer_credits;
 
        BUG_ON(OCFS2_XATTR_BUCKET_SIZE < OCFS2_SB(inode->i_sb)->s_clustersize);
 
                                       int *extend,
                                       struct ocfs2_xattr_set_ctxt *ctxt)
 {
-       int ret, credits;
+       int ret;
        u16 bpc = ocfs2_clusters_to_blocks(inode->i_sb, 1);
        u32 prev_clusters = *num_clusters;
        u32 clusters_to_add = 1, bit_off, num_bits, v_start = 0;
        u64 block;
-       handle_t *handle = NULL;
+       handle_t *handle = ctxt->handle;
        struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
        struct ocfs2_extent_tree et;
 
 
        ocfs2_init_xattr_tree_extent_tree(&et, inode, root_bh);
 
-       credits = ocfs2_calc_extend_credits(osb->sb, et.et_root_el,
-                                           clusters_to_add);
-       handle = ocfs2_start_trans(osb, credits);
-       if (IS_ERR(handle)) {
-               ret = PTR_ERR(handle);
-               handle = NULL;
-               mlog_errno(ret);
-               goto leave;
-       }
-
        ret = ocfs2_journal_access(handle, inode, root_bh,
                                   OCFS2_JOURNAL_ACCESS_WRITE);
        if (ret < 0) {
                }
        }
 
-       if (handle->h_buffer_credits < credits) {
-               /*
-                * The journal has been restarted before, and don't
-                * have enough space for the insertion, so extend it
-                * here.
-                */
-               ret = ocfs2_extend_trans(handle, credits);
-               if (ret) {
-                       mlog_errno(ret);
-                       goto leave;
-               }
-       }
        mlog(0, "Insert %u clusters at block %llu for xattr at %u\n",
             num_bits, (unsigned long long)block, v_start);
        ret = ocfs2_insert_extent(osb, handle, inode, &et, v_start, block,
        }
 
        ret = ocfs2_journal_dirty(handle, root_bh);
-       if (ret < 0) {
+       if (ret < 0)
                mlog_errno(ret);
-               goto leave;
-       }
 
 leave:
-       if (handle)
-               ocfs2_commit_trans(osb, handle);
-
        return ret;
 }
 
  * We meet with start_bh. Only move half of the xattrs to the bucket after it.
  */
 static int ocfs2_extend_xattr_bucket(struct inode *inode,
+                                    handle_t *handle,
                                     struct buffer_head *first_bh,
                                     struct buffer_head *start_bh,
                                     u32 num_clusters)
        u16 blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb);
        u64 start_blk = start_bh->b_blocknr, end_blk;
        u32 num_buckets = num_clusters * ocfs2_xattr_buckets_per_cluster(osb);
-       handle_t *handle;
        struct ocfs2_xattr_header *first_xh =
                                (struct ocfs2_xattr_header *)first_bh->b_data;
        u16 bucket = le16_to_cpu(first_xh->xh_num_buckets);
         * We will touch all the buckets after the start_bh(include it).
         * Then we add one more bucket.
         */
-       credits = end_blk - start_blk + 3 * blk_per_bucket + 1;
-       handle = ocfs2_start_trans(osb, credits);
-       if (IS_ERR(handle)) {
-               ret = PTR_ERR(handle);
-               handle = NULL;
+       credits = end_blk - start_blk + 3 * blk_per_bucket + 1 +
+                 handle->h_buffer_credits;
+       ret = ocfs2_extend_trans(handle, credits);
+       if (ret) {
                mlog_errno(ret);
                goto out;
        }
                                   OCFS2_JOURNAL_ACCESS_WRITE);
        if (ret) {
                mlog_errno(ret);
-               goto commit;
+               goto out;
        }
 
        while (end_blk != start_blk) {
                ret = ocfs2_cp_xattr_bucket(inode, handle, end_blk,
                                            end_blk + blk_per_bucket, 0);
                if (ret)
-                       goto commit;
+                       goto out;
                end_blk -= blk_per_bucket;
        }
 
        le16_add_cpu(&first_xh->xh_num_buckets, 1);
        ocfs2_journal_dirty(handle, first_bh);
 
-commit:
-       ocfs2_commit_trans(osb, handle);
 out:
        return ret;
 }
 
        if (extend)
                ret = ocfs2_extend_xattr_bucket(inode,
+                                               ctxt->handle,
                                                first_bh,
                                                header_bh,
                                                num_clusters);
  * space for the xattr insertion.
  */
 static int ocfs2_xattr_set_entry_in_bucket(struct inode *inode,
+                                          handle_t *handle,
                                           struct ocfs2_xattr_info *xi,
                                           struct ocfs2_xattr_search *xs,
                                           u32 name_hash,
                                           int local)
 {
        int ret;
-       handle_t *handle = NULL;
-       struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
        u64 blkno;
 
        mlog(0, "Set xattr entry len = %lu index = %d in bucket %llu\n",
                }
        }
 
-       handle = ocfs2_start_trans(osb, xs->bucket->bu_blocks);
-       if (IS_ERR(handle)) {
-               ret = PTR_ERR(handle);
-               handle = NULL;
-               mlog_errno(ret);
-               goto out;
-       }
-
        ret = ocfs2_xattr_bucket_journal_access(handle, xs->bucket,
                                                OCFS2_JOURNAL_ACCESS_WRITE);
        if (ret < 0) {
        ocfs2_xattr_bucket_journal_dirty(handle, xs->bucket);
 
 out:
-       ocfs2_commit_trans(osb, handle);
-
        return ret;
 }
 
 static int ocfs2_xattr_value_update_size(struct inode *inode,
+                                        handle_t *handle,
                                         struct buffer_head *xe_bh,
                                         struct ocfs2_xattr_entry *xe,
                                         u64 new_size)
 {
        int ret;
-       struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
-       handle_t *handle = NULL;
-
-       handle = ocfs2_start_trans(osb, 1);
-       if (IS_ERR(handle)) {
-               ret = -ENOMEM;
-               mlog_errno(ret);
-               goto out;
-       }
 
        ret = ocfs2_journal_access(handle, inode, xe_bh,
                                   OCFS2_JOURNAL_ACCESS_WRITE);
        if (ret < 0) {
                mlog_errno(ret);
-               goto out_commit;
+               goto out;
        }
 
        xe->xe_value_size = cpu_to_le64(new_size);
        if (ret < 0)
                mlog_errno(ret);
 
-out_commit:
-       ocfs2_commit_trans(osb, handle);
 out:
        return ret;
 }
                goto out;
        }
 
-       ret = ocfs2_xattr_value_update_size(inode, header_bh, xe, len);
+       ret = ocfs2_xattr_value_update_size(inode, ctxt->handle,
+                                           header_bh, xe, len);
        if (ret) {
                mlog_errno(ret);
                goto out;
 }
 
 static int ocfs2_xattr_bucket_set_value_outside(struct inode *inode,
+                                               handle_t *handle,
                                                struct ocfs2_xattr_search *xs,
                                                char *val,
                                                int value_len)
 
        xv = (struct ocfs2_xattr_value_root *)(xs->base + offset);
 
-       return __ocfs2_xattr_set_value_outside(inode, xv, val, value_len);
+       return __ocfs2_xattr_set_value_outside(inode, handle,
+                                              xv, val, value_len);
 }
 
 static int ocfs2_rm_xattr_cluster(struct inode *inode,
 }
 
 static void ocfs2_xattr_bucket_remove_xs(struct inode *inode,
+                                        handle_t *handle,
                                         struct ocfs2_xattr_search *xs)
 {
-       handle_t *handle = NULL;
        struct ocfs2_xattr_header *xh = bucket_xh(xs->bucket);
        struct ocfs2_xattr_entry *last = &xh->xh_entries[
                                                le16_to_cpu(xh->xh_count) - 1];
        int ret = 0;
 
-       handle = ocfs2_start_trans((OCFS2_SB(inode->i_sb)),
-                                  ocfs2_blocks_per_xattr_bucket(inode->i_sb));
-       if (IS_ERR(handle)) {
-               ret = PTR_ERR(handle);
-               mlog_errno(ret);
-               return;
-       }
-
        ret = ocfs2_xattr_bucket_journal_access(handle, xs->bucket,
                                                OCFS2_JOURNAL_ACCESS_WRITE);
        if (ret) {
                mlog_errno(ret);
-               goto out_commit;
+               return;
        }
 
        /* Remove the old entry. */
        le16_add_cpu(&xh->xh_count, -1);
 
        ocfs2_xattr_bucket_journal_dirty(handle, xs->bucket);
-
-out_commit:
-       ocfs2_commit_trans(OCFS2_SB(inode->i_sb), handle);
 }
 
 /*
                xi->value_len = OCFS2_XATTR_ROOT_SIZE;
        }
 
-       ret = ocfs2_xattr_set_entry_in_bucket(inode, xi, xs, name_hash, local);
+       ret = ocfs2_xattr_set_entry_in_bucket(inode, ctxt->handle, xi, xs,
+                                             name_hash, local);
        if (ret) {
                mlog_errno(ret);
                goto out;
                         * storage and we have allocated xattr already,
                         * so need to remove it.
                         */
-                       ocfs2_xattr_bucket_remove_xs(inode, xs);
+                       ocfs2_xattr_bucket_remove_xs(inode, ctxt->handle, xs);
                }
                goto out;
        }
 
 set_value_outside:
-       ret = ocfs2_xattr_bucket_set_value_outside(inode, xs, val, value_len);
+       ret = ocfs2_xattr_bucket_set_value_outside(inode, ctxt->handle,
+                                                  xs, val, value_len);
 out:
        return ret;
 }
                         * name/value will be moved, the xe shouldn't be changed
                         * in xs.
                         */
-                       ret = ocfs2_defrag_xattr_bucket(inode, xs->bucket);
+                       ret = ocfs2_defrag_xattr_bucket(inode, ctxt->handle,
+                                                       xs->bucket);
                        if (ret) {
                                mlog_errno(ret);
                                goto out;
 
        ocfs2_init_dealloc_ctxt(&ctxt.dealloc);
 
+       ctxt.handle = ocfs2_start_trans(osb, OCFS2_REMOVE_EXTENT_CREDITS);
+       if (IS_ERR(ctxt.handle)) {
+               ret = PTR_ERR(ctxt.handle);
+               mlog_errno(ret);
+               goto out;
+       }
+
        for (i = 0; i < le16_to_cpu(xh->xh_count); i++) {
                xe = &xh->xh_entries[i];
                if (ocfs2_xattr_is_local(xe))
                }
        }
 
+       ret = ocfs2_commit_trans(osb, ctxt.handle);
        ocfs2_schedule_truncate_log_flush(osb, 1);
        ocfs2_run_deallocs(osb, &ctxt.dealloc);
-
+out:
        return ret;
 }