progress.c 920 B

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  1. // SPDX-License-Identifier: GPL-2.0
  2. #include <linux/kernel.h>
  3. #include "progress.h"
  4. static void null_progress__update(struct ui_progress *p __maybe_unused)
  5. {
  6. }
  7. static struct ui_progress_ops null_progress__ops =
  8. {
  9. .update = null_progress__update,
  10. };
  11. struct ui_progress_ops *ui_progress__ops = &null_progress__ops;
  12. void ui_progress__update(struct ui_progress *p, u64 adv)
  13. {
  14. u64 last = p->curr;
  15. p->curr += adv;
  16. if (p->curr >= p->next) {
  17. u64 nr = DIV_ROUND_UP(p->curr - last, p->step);
  18. p->next += nr * p->step;
  19. ui_progress__ops->update(p);
  20. }
  21. }
  22. void __ui_progress__init(struct ui_progress *p, u64 total,
  23. const char *title, bool size)
  24. {
  25. p->curr = 0;
  26. p->next = p->step = total / 16 ?: 1;
  27. p->total = total;
  28. p->title = title;
  29. p->size = size;
  30. if (ui_progress__ops->init)
  31. ui_progress__ops->init(p);
  32. }
  33. void ui_progress__finish(void)
  34. {
  35. if (ui_progress__ops->finish)
  36. ui_progress__ops->finish();
  37. }