Calle Wilund d734f85280 commitlog: Add signalling to recycle queue iff we fail to recycle ...

Fixes #8376

If a recycle should fail, we will sort of handle it by deleting
the segment, so no leaks. But if we have waiter(s) on the recycle
queue, we could end up deadlocked/starved because nothing is
incoming there.

This adds an abort of the queue iff we failed and no objects are
available. This will wake up any waiter, and he should retry,
and hopefully at least be able to create a new segment.
We then reset the queue to a new one. So we can go on.

v2:
* Forgot to reset queue
v3:
* Nicer exception handling in allocate_segment_ex

2021-04-06 16:38:14 +00:00

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