+ /* Try to lock request and mark it for writeback */
+ if (!nfs_set_page_writeback_locked(req))
+ goto next;
+ radix_tree_tag_clear(&nfsi->nfs_page_tree,
+ req->wb_index, NFS_PAGE_TAG_DIRTY);
+ nfsi->ndirty--;
+ nfs_list_remove_request(req);
+ nfs_list_add_request(req, dst);
+ res++;
+ if (res == LONG_MAX)
+ goto out;
+next: