forked from luck/tmp_suning_uos_patched
25cc4eb44b
Adding ui specific init function allowing to setup the progress bar width based on current screen scales. Adding TUI init function to get more grained update of the progress bar. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/20170908120510.22515-4-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
46 lines
871 B
C
46 lines
871 B
C
#include <linux/kernel.h>
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#include "../cache.h"
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#include "progress.h"
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static void null_progress__update(struct ui_progress *p __maybe_unused)
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{
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}
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static struct ui_progress_ops null_progress__ops =
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{
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.update = null_progress__update,
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};
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struct ui_progress_ops *ui_progress__ops = &null_progress__ops;
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void ui_progress__update(struct ui_progress *p, u64 adv)
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{
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u64 last = p->curr;
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p->curr += adv;
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if (p->curr >= p->next) {
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u64 nr = DIV_ROUND_UP(p->curr - last, p->step);
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p->next += nr * p->step;
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ui_progress__ops->update(p);
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}
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}
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void ui_progress__init(struct ui_progress *p, u64 total, const char *title)
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{
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p->curr = 0;
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p->next = p->step = total / 16 ?: 1;
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p->total = total;
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p->title = title;
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if (ui_progress__ops->init)
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ui_progress__ops->init(p);
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}
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void ui_progress__finish(void)
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{
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if (ui_progress__ops->finish)
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ui_progress__ops->finish();
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}
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