use tune2fs to disable ext4 mount counts and mount intervals
Signed-off-by: Marc Tamsky <mtamsky@gmail.com> (github: tamsky)
tarsum: TarSum is not the interface

don't export the exsisting TarSum struct and call the interface 'TarSum'
instead.

Signed-off-by: Vincent Batts <vbatts@redhat.com>
Use defined variable

Signed-off-by: Alexandr Morozov <lk4d4math@gmail.com>
Use unlocked version of changes for GetImage

Fixes #7999

Signed-off-by: Alexandr Morozov <lk4d4math@gmail.com>
Test for docker ps -s

Signed-off-by: Alexandr Morozov <lk4d4math@gmail.com>
Signed-off-by: David Gebler <davidgebler@gmail.com>

	modified:   userguide/dockerlinks.md
    fixes incorrect environment variable labeling in container linking guide
Merge pull request #7983 from vbatts/vbatts-tarsum_switch_names

tarsum: TarSum should be the interface
Merge pull request #8008 from dwgebler/master

fixes incorrect environment variable labeling in container linking guide
HTTP Status 201 not 200

The http status should be 201 not 200.

Docker-DCO-1.1-Signed-off-by: Erik Kristensen <erik@erikkristensen.com> (github: SvenDowideit)
Merge pull request #8028 from SvenDowideit/ekristen-patch-1

HTTP Status 201 not 200
Merge pull request #8010 from LK4D4/fix_ps_s_hang_#7999

Fix ps -s hang
Merge pull request #7698 from tamsky/tune2fs_base_filesystem

use tune2fs to disable ext4 mount counts and mount intervals
clean up the context when a build fails

Docker-DCO-1.1-Signed-off-by: Cristian Staretu <cristian.staretu@gmail.com> (github: unclejack)
Merge pull request #8038 from unclejack/failed_build_context_cleanup

clean up the context when a build fails