crimson/osd/osd_operations/snaptrim_event: fix lifetime management #54431
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rzarzynski
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cyx1231st
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The operation's id and future returned when starting SnapTrimObjSubEvent is emplaced into subop_blocker. Later on, we await the completion of all the started operations futures. Before this patch, we only stored the op id in the subop_blocker vector which allowed `op` to go out of scope and lose all its references (and get deleted) before exiting. Storing the operation as a reference instead of the id will maintain the SnapTrimObjSubEvent operation lifetime. Fixes: https://tracker.ceph.com/issues/63299 Signed-off-by: Matan Breizman <mbreizma@redhat.com>
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https://shaman.ceph.com/builds/ceph/wip-matanb-crimson-testing-11-12-v2/ Failures, unrelated: 7456908 - 7456917 - infra |
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The operation's id and future returned when starting SnapTrimObjSubEvent
is empalced into subop_blocker.
Later on, we await the completion of all the started operations futures.
Before this patch, we only stored the op id in the subop_blocker vector
which allowed
opto go out of scope and lose all its references(and get deleted) before exiting.
Storing the operation as a reference instead of the id
will maintain the SnapTrimObjSubEvent operation lifetime.
Fixes: https://tracker.ceph.com/issues/63299
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