cbf8cc6faf
When starting `dockerd` on a host that has no `/var/lib/docker/tmp` directory,
a warning was printed in the logs:
$ dockerd --data-root=/no-such-directory
...
WARN[2017-09-26T09:37:00.045153377Z] failed to rename /no-such-directory/tmp for background deletion: rename /no-such-directory/tmp /no-such-directory/tmp-old: no such file or directory. Deleting synchronously
Although harmless, the warning does not show any useful information, so can be
skipped.
This patch checks thetype of error, so that warning is not printed.
Other errors will still show up:
$ touch /i-am-a-file
$ dockerd --data-root=/i-am-a-file
Unable to get the full path to root (/i-am-a-file): canonical path points to a file '/i-am-a-file'
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
Upstream-commit: 2b50b14aebc12722f81db8d8f66415e1fa7b954a
Component: engine