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os/bluestore: release aios and pinned buffers on io complete

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Once we're done with our IO, clear the aio list so that the pinned buffers
are unpinned.  This ensures we release memory quickly, even if the
TransContext sticks around for a while (e.g., in the osr q).

Signed-off-by: Sage Weil <sage@redhat.com>
This commit is contained in:
Sage Weil 2017-05-31 18:44:02 -04:00
parent d82af301c8
commit 4e160f20e4
1 changed files with 3 additions and 0 deletions
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3
src/os/bluestore/BlueStore.cc
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@ -7575,6 +7575,9 @@ void BlueStore::_txc_finish_io(TransContext *txc)
std::lock_guard<std::mutex> l(osr->qlock);
txc->state = TransContext::STATE_IO_DONE;
// release aio contexts (including pinned buffers).
txc->ioc.running_aios.clear();
OpSequencer::q_list_t::iterator p = osr->q.iterator_to(*txc);
while (p != osr->q.begin()) {
--p;