I think if it changed to be *atime = p->first, Below logic should
also be modified.
ReplicatedPG::agent_maybe_evict
if (atime < 0 && obc->obs.oi.mtime != utime_t()) {
if (obc->obs.oi.local_mtime != utime_t()) {
atime = ceph_clock_now(NULL).sec() - obc->obs.oi.local_mtime;
} else {
atime = ceph_clock_now(NULL).sec() - obc->obs.oi.mtime;
}
}
including
ReplicatedPG::agent_estimate_atime_temp
if (temp)
*temp = 0;
if (hit_set->contains(oid)) {
*atime = 0;
if (temp)
++(*temp);
else
return;
}
2014-10-28 12:02 GMT+08:00 Sage Weil <sage@xxxxxxxxxxxx>:
> Yep. The pull request looks is correct too, but needs to be squashed into
> a single commit with a Signed-off-by: line and description.
>
> Zhiqiang, I think the reversed logic you just fixed in agent_maybe_evict()
> was partly because this function is filling in atime (which sounds like a
> timestamp) with an *age* (now - p->first). I think we should change
>
>> if (*atime < 0)
>> *atime = now - p->first;
>
> to be
>
> *atime = p->first
>
> and/or adjust the caller accordingly...?
>
> sage
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