Quoting Stéphane Graber (stgra...@ubuntu.com):
> This resolves the case where /proc/sysrq-trigger doesn't exist by simply
> ignoring any mount failure on ENOENT. With the current mount list, this
> will always result in a safe environment (typically the read-only
> underlay).
>
> Closes #425
>
> Signed-off-by: Stéphane Graber <stgra...@ubuntu.com>
> ---
> src/lxc/conf.c | 6 +++++-
> 1 file changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/src/lxc/conf.c b/src/lxc/conf.c
> index fbe82b5..5a99324 100644
> --- a/src/lxc/conf.c
> +++ b/src/lxc/conf.c
> @@ -798,7 +798,11 @@ static int lxc_mount_auto_mounts(struct lxc_conf *conf,
> int flags, struct lxc_ha
> default_mounts[i].flags);
> r = mount(source, destination,
> default_mounts[i].fstype, mflags, default_mounts[i].options);
> saved_errno = errno;
> - if (r < 0)
> + if (r < 0 && errno == ENOENT) {
> + INFO("Mount source or target for %s on %s
> doesn't exist. Skipping.", source, destination);
> + r = 0;
> + }
> + else
This will print an error when mount succeeded.
> SYSERROR("error mounting %s on %s flags %lu",
> source, destination, mflags);
>
> free(source);
> --
> 1.9.1
>
> _______________________________________________
> lxc-devel mailing list
> lxc-devel@lists.linuxcontainers.org
> http://lists.linuxcontainers.org/listinfo/lxc-devel
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