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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
#include "./scrub_resources.h"
#include <fmt/format.h>
#include "common/debug.h"
#include "include/ceph_assert.h"
using ScrubResources = Scrub::ScrubResources;
ScrubResources::ScrubResources(
log_upwards_t log_access,
const ceph::common::ConfigProxy& config)
: log_upwards{log_access}
, conf{config}
{}
bool ScrubResources::can_inc_scrubs() const
{
std::lock_guard lck{resource_lock};
if (scrubs_local + scrubs_remote < conf->osd_max_scrubs) {
return true;
}
log_upwards(fmt::format(
"{}== false. {} (local) + {} (remote) >= max ({})", __func__,
scrubs_local, scrubs_remote, conf->osd_max_scrubs));
return false;
}
bool ScrubResources::inc_scrubs_local()
{
std::lock_guard lck{resource_lock};
if (scrubs_local + scrubs_remote < conf->osd_max_scrubs) {
++scrubs_local;
return true;
}
log_upwards(fmt::format(
"{}: {} (local) + {} (remote) >= max ({})", __func__, scrubs_local,
scrubs_remote, conf->osd_max_scrubs));
return false;
}
void ScrubResources::dec_scrubs_local()
{
std::lock_guard lck{resource_lock};
log_upwards(fmt::format(
"{}: {} -> {} (max {}, remote {})", __func__, scrubs_local,
(scrubs_local - 1), conf->osd_max_scrubs, scrubs_remote));
--scrubs_local;
ceph_assert(scrubs_local >= 0);
}
bool ScrubResources::inc_scrubs_remote()
{
std::lock_guard lck{resource_lock};
if (scrubs_local + scrubs_remote < conf->osd_max_scrubs) {
log_upwards(fmt::format(
"{}: {} -> {} (max {}, local {})", __func__, scrubs_remote,
(scrubs_remote + 1), conf->osd_max_scrubs, scrubs_local));
++scrubs_remote;
return true;
}
log_upwards(fmt::format(
"{}: {} (local) + {} (remote) >= max ({})", __func__, scrubs_local,
scrubs_remote, conf->osd_max_scrubs));
return false;
}
void ScrubResources::dec_scrubs_remote()
{
std::lock_guard lck{resource_lock};
log_upwards(fmt::format(
"{}: {} -> {} (max {}, local {})", __func__, scrubs_remote,
(scrubs_remote - 1), conf->osd_max_scrubs, scrubs_local));
--scrubs_remote;
ceph_assert(scrubs_remote >= 0);
}
void ScrubResources::dump_scrub_reservations(ceph::Formatter* f) const
{
std::lock_guard lck{resource_lock};
f->dump_int("scrubs_local", scrubs_local);
f->dump_int("scrubs_remote", scrubs_remote);
f->dump_int("osd_max_scrubs", conf->osd_max_scrubs);
}
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