[systemd-devel] [PATCH 1/2] Adding unmount functions to be used in shutdown

[Kay Sievers]

On Wed, Oct 6, 2010 at 14:17, Karel Zak <kzak at redhat.com> wrote:
>> +        if ((dir = opendir("/sys/class/block")) == NULL)
>> +                return -errno;
>> +
>> +        while ((d = readdir(dir))) {
>> +                MountPoint *lb;
>> +                char buf[PATH_MAX];
>> +                char *loop;
>> +
>> +                if (!strneq(d->d_name, "loop", 4))
>> +                        continue;
>> +
>> +                snprintf(buf, sizeof(buf), "/dev/%s", d->d_name);
>> +                if (access(buf, R_OK) != 0)
>> +                        continue;
>
>  what about /dev/loop/<N>  ?

Systemd depends on devtmpfs and will not work properly without it, and
these nodes are always created by the kernel.

Kay