| 1 | |
| 2 | #include <linux/kernel.h>
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| 3 | #include "progress.h"
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| 4 |
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| 5 | static void null_progress__update(struct ui_progress *p __maybe_unused)
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| 6 | {
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| 7 | }
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| 8 |
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| 9 | static struct ui_progress_ops null_progress__ops =
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| 10 | {
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| 11 | .update = null_progress__update,
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| 12 | };
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| 13 |
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| 14 | struct ui_progress_ops *ui_progress__ops = &null_progress__ops;
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| 15 |
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| 16 | void ui_progress__update(struct ui_progress *p, u64 adv)
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| 17 | {
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| 18 | u64 last = p->curr;
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| 19 |
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| 20 | p->curr += adv;
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| 21 |
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| 22 | if (p->curr >= p->next) {
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| 23 | u64 nr = DIV_ROUND_UP(p->curr - last, p->step);
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| 24 |
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| 25 | p->next += nr * p->step;
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| 26 | ui_progress__ops->update(p);
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| 27 | }
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| 28 | }
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| 29 |
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| 30 | void __ui_progress__init(struct ui_progress *p, u64 total,
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| 31 | const char *title, bool size)
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| 32 | {
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| 33 | p->curr = 0;
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| 34 | p->next = p->step = total / 16 ?: 1;
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| 35 | p->total = total;
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| 36 | p->title = title;
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| 37 | p->size = size;
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| 38 |
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| 39 | if (ui_progress__ops->init)
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| 40 | ui_progress__ops->init(p);
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| 41 | }
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| 42 |
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| 43 | void ui_progress__finish(void)
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| 44 | {
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| 45 | if (ui_progress__ops->finish)
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| 46 | ui_progress__ops->finish();
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| 47 | }
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