mirage / ocaml-qcow / 13

pending completion

Build # 13

Build Type

Pull #6

travis-ci

Committed by

djs55

Commit Message

Split `walk` into a read-only versus read-write version

When performing a `read` we know we will never allocate. When performing
a `write` we will only allocate the very first time we write to that
cluster.

- `read` can walk the tables concurrently with other requests
- `write` will initially try to walk the tables concurrently, but if no
  mapping is found (the first time), then a second walk is performed
  while holding the allocation lock.

Signed-off-by: David Scott <dave.scott@unikernel.com>

Pull Request Pull Request #6: Protect cluster allocation with a mutex

Run Details

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88.18

/lib/qcow.ml

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mirage / ocaml-qcow / 13

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