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4 commits

Author SHA1 Message Date
Daniel Nephin
f5916b10ae Remove the graph driver from the daemon, move it into the layer store.
Support restoreCustomImage for windows with a new interface to extract
the graph driver from the LayerStore.

Signed-off-by: Daniel Nephin <dnephin@docker.com>
2015-12-28 12:55:48 -05:00
Derek McGowan
d04fa49a0d Refactor RWLayer to use referenced object instead of string
RWLayer will now have more operations and be protected through a referenced type rather than always looked up by string in the layer store.
Separates creation of RWLayer (write capture layer) from mounting of the layer.
This allows mount labels to be applied after creation and allowing RWLayer objects to have the same lifespan as a container without performance regressions from requiring mount.

Signed-off-by: Derek McGowan <derek@mcgstyle.net> (github: dmcgowan)
2015-12-23 11:19:17 -08:00
Aaron Lehmann
21278efaee Make TarStream return an io.ReadCloser
Currently, the resources associated with the io.Reader returned by
TarStream are only freed when it is read until EOF. This means that
partial uploads or exports (for example, in the case of a full disk or
severed connection) can leak a goroutine and open file. This commit
changes TarStream to return an io.ReadCloser. Resources are freed when
Close is called.

Signed-off-by: Aaron Lehmann <aaron.lehmann@docker.com>
2015-11-25 16:39:54 -08:00
Derek McGowan
500e77bad0 Add layer store
Layer store manages read-only and read-write layers on a union file system.
Read only layers are always referenced by content addresses.
Read-write layer identifiers are handled by the caller but upon registering
its difference, the committed read-only layer will be referenced by content
hash.

Signed-off-by: Derek McGowan <derek@mcgstyle.net> (github: dmcgowan)
Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
2015-11-24 09:40:23 -08:00