moby--moby/contrib/docker-device-tool/README.md

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Docker device tool for devicemapper storage driver backend
===================
The ./contrib/docker-device-tool contains a tool to manipulate devicemapper thin-pool.
Compile
========
$ make shell
## inside build container
$ go build contrib/docker-device-tool/device_tool.go
# if devicemapper version is old and compilation fails, compile with `libdm_no_deferred_remove` tag
$ go build -tags libdm_no_deferred_remove contrib/docker-device-tool/device_tool.go