1 #include <linux/kernel.h> 2 #include "../cache.h" 3 #include "progress.h" 4 5 static void null_progress__update(struct ui_progress *p __maybe_unused) 6 { 7 } 8 9 static struct ui_progress_ops null_progress__ops = 10 { 11 .update = null_progress__update, 12 }; 13 14 struct ui_progress_ops *ui_progress__ops = &null_progress__ops; 15 16 void ui_progress__update(struct ui_progress *p, u64 adv) 17 { 18 u64 last = p->curr; 19 20 p->curr += adv; 21 22 if (p->curr >= p->next) { 23 u64 nr = DIV_ROUND_UP(p->curr - last, p->step); 24 25 p->next += nr * p->step; 26 ui_progress__ops->update(p); 27 } 28 } 29 30 void ui_progress__init(struct ui_progress *p, u64 total, const char *title) 31 { 32 p->curr = 0; 33 p->next = p->step = total / 16 ?: 1; 34 p->total = total; 35 p->title = title; 36 37 } 38 39 void ui_progress__finish(void) 40 { 41 if (ui_progress__ops->finish) 42 ui_progress__ops->finish(); 43 } 44