- io_u->offset = ipo->offset;
- io_u->buflen = ipo->len;
- io_u->ddir = ipo->ddir;
- io_u->file = &td->files[ipo->fileno];
- get_file(io_u->file);
-
- dprint(FD_IO, "iolog: get %llu/%lu/%s\n", io_u->offset,
- io_u->buflen, io_u->file->file_name);
-
- if (ipo->delay)
- iolog_delay(td, ipo->delay);
-
- free(ipo);
- return 0;
- }
-
- td->done = 1;
- return 1;
-}
-
-void prune_io_piece_log(struct thread_data *td)
-{
- struct io_piece *ipo;
- struct rb_node *n;
-
- while ((n = rb_first(&td->io_hist_tree)) != NULL) {
- ipo = rb_entry(n, struct io_piece, rb_node);
- rb_erase(n, &td->io_hist_tree);
- free(ipo);
- }
-
- while (!list_empty(&td->io_hist_list)) {
- ipo = list_entry(td->io_hist_list.next, struct io_piece, list);
- list_del(&ipo->list);
- free(ipo);
- }
-}
-
-/*
- * log a successful write, so we can unwind the log for verify
- */
-void log_io_piece(struct thread_data *td, struct io_u *io_u)
-{
- struct rb_node **p, *parent;
- struct io_piece *ipo, *__ipo;
-
- ipo = malloc(sizeof(struct io_piece));
- ipo->file = io_u->file;
- ipo->offset = io_u->offset;
- ipo->len = io_u->buflen;
-
- /*
- * We don't need to sort the entries, if:
- *
- * Sequential writes, or
- * Random writes that lay out the file as it goes along
- *
- * For both these cases, just reading back data in the order we
- * wrote it out is the fastest.
- */
- if (!td_random(td) || !td->o.overwrite) {
- INIT_LIST_HEAD(&ipo->list);
- list_add_tail(&ipo->list, &td->io_hist_list);
- return;
- }
-
- RB_CLEAR_NODE(&ipo->rb_node);
- p = &td->io_hist_tree.rb_node;
- parent = NULL;
-
- /*
- * Sort the entry into the verification list
- */
- while (*p) {
- parent = *p;
-
- __ipo = rb_entry(parent, struct io_piece, rb_node);
- if (ipo->offset <= __ipo->offset)
- p = &(*p)->rb_left;
- else
- p = &(*p)->rb_right;
- }
-
- rb_link_node(&ipo->rb_node, parent, p);
- rb_insert_color(&ipo->rb_node, &td->io_hist_tree);
-}
-
-void write_iolog_close(struct thread_data *td)
-{
- fflush(td->iolog_f);
- fclose(td->iolog_f);
- free(td->iolog_buf);
- td->iolog_f = NULL;
- td->iolog_buf = NULL;
-}