2121
6%
master: 33%

Ran 12 Jul 2018 06:38PM UTC

Jobs 1

Files 217

Run time 28s

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Build # 2121

Build Type

push

travis-ci

Committed by Andrei Vagin

Commit Message

mount: fix regression where open_mountpoint failed on readonly fs

If we fail to create temporary directory for doing a clean mount we can
make mount clean reusing the code which enters new mountns to umount
overmounts. As when last process exits mntns all mounts are implicitly
cleaned from children, see in kernel source - sys_exit->do_exit
->exit_task_namespaces->switch_task_namespaces->free_nsproxy
->put_mnt_ns->umount_tree->drop_collected_mounts->umount_tree:

    /* Hide the mounts from mnt_mounts */
    list_for_each_entry(p, &tmp_list, mnt_list) {
            list_del_init(&p->mnt_child);
    }

Fixes commit b6cfb1ce2948 ("mount: make open_mountpoint handle overmouts
properly")

https://github.com/checkpoint-restore/criu/issues/520
Signed-off-by: Pavel Tikhomirov <ptikhomirov@virtuozzo.com>
Acked-by: Adrian Reber <areber@redhat.com>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>

Run Details

20999 of 32478 relevant lines covered (64.66%)

725364.97 hits per line

Jobs

ID	Job ID	Ran	Files	Coverage
14	2121.14 (TR_ARCH=local GCOV=1)	12 Jul 2018 06:38PM UTC	0	64.66	Travis Job 2121.14

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