Alexander Larsson ce3bed9961 devmapper: Simplify thin pool device id allocation ...

Instead of globally keeping track of the free device ids we just
start from 0 each run and handle EEXIST error and try the next one.

This way we don't need any global state for the device ids, which
means we can read device metadata lazily. This is important for
multi-process use of the backend.

Docker-DCO-1.1-Signed-off-by: Alexander Larsson <alexl@redhat.com> (github: alexlarsson)
Upstream-commit: f26203cf544db07ae64dffaa495e4217976c0786
Component: engine

2014-04-25 14:26:27 +02:00

components/engine

devmapper: Simplify thin pool device id allocation

2014-04-25 14:26:27 +02:00

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