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Ran 09 Nov 2015 12:08PM UTC

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Committed 09 Nov 2015 11:43AM UTC coverage: 80.139% (-0.5%) from 80.605%

Job # 16.1

Build Type

Pull #7

travis-ci

Committed by

djs55

Commit Message

Cope with files which are not whole numbers of clusters

`qemu-img` seems to "allocate" the final cluster in a file by writing
a single sector only. Cope with this by:

- on every `read`, check if we're in this last-cluster situation and
  synthesize zeroes for missing sectors
- on `connect`, round up to the next cluster size when setting the
  `next_cluster` pointer.

With this patch, a `qemu-img` generated .qcow2 seems to work ok with
this code as measured by the CLI `check` subcommand.

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

Pull Request Pull Request #7: Cope with files which are not whole numbers of clusters

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