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amitshukla 7840a5bc8f Fix for issue 664: https://github.com/docker/distribution/issues/664 ... Errors thrown by storage drivers don't have the name of the driver, causing user confusion about whether the error is coming from Docker or from a storage driver. This change adds the storage driver name to each error message. This required changing ErrUnsupportedDriver to a type, leading to code changes whenever ErrUnsupportedDriver is used. The tests check whether the driver name appears in the error message. Signed-off-by: Amit Shukla <amit.shukla@docker.com>		2015-11-03 11:19:17 -08:00
docs	Fix for issue 664: https://github.com/docker/distribution/issues/664	2015-11-03 11:19:17 -08:00