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os/bluestore: fix deferred write race #15004

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merged 1 commit into from May 12, 2017

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os/bluestore: reorder _deferred_aio_finish
Remove the OpSequencer from the deferred_queue before
marking the txc's completed.  This prevents a race with
_txc_finish trying to reap the completed sequencer that
is still on the deferred_queue, triggering an assert
in the intrusive list hook dtor.

Fixes: http://tracker.ceph.com/issues/19880
Signed-off-by: Sage Weil <sage@redhat.com>

@liewegas liewegas requested a review from ifed01 May 9, 2017

@ifed01

ifed01 approved these changes May 10, 2017

@tchaikov tchaikov merged commit cf8b54a into ceph:master May 12, 2017

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tchaikov May 12, 2017

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@liewegas can we resolve http://tracker.ceph.com/issues/19880 ? as this PR has been merged.

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tchaikov commented May 12, 2017

@liewegas can we resolve http://tracker.ceph.com/issues/19880 ? as this PR has been merged.

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