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osd/PG: fix tracking of last_epoch_split

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Note that it is only (currently) important that this value be accurate
on the current OSD since we only use this value (currently) to discard
ops sent before the split.  If we are getting the history from a different
OSD in the cluster that doesn't have an up to date value it doesn't matter
because that implies a primary change and also a client resend.

Signed-off-by: Sage Weil <sage@redhat.com>
This commit is contained in:
Sage Weil 2017-02-02 15:07:48 -05:00
parent 36d3a29ef5
commit e9cfeedb5d
1 changed files with 5 additions and 0 deletions
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5
src/osd/PG.cc
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@ -5211,6 +5211,11 @@ void PG::start_peering_interval(
dirty_info = true;
dirty_big_info = true;
info.history.same_interval_since = osdmap->get_epoch();
if (info.pgid.pgid.is_split(lastmap->get_pg_num(info.pgid.pgid.pool()),
osdmap->get_pg_num(info.pgid.pgid.pool()),
nullptr)) {
info.history.last_epoch_split = osdmap->get_epoch();
}
}
}