[systemd-devel] [PATCH 2/6] readahead-common:fs_on_ssd() stat might not get the real device name

[Kay Sievers]

On Fri, Sep 24, 2010 at 12:06,  <harald at redhat.com> wrote:
> From: Harald Hoyer <harald at redhat.com>
>
> btrfs returns a major(0) for its device, so try to find the mountpoint and real device.

> +        fp = fopen("/proc/self/mountinfo", "r");
> +        if (fp == NULL)
> +                return NULL;
> +        while (fscanf(fp, "%*s %*s %i:%i %*s %1024s %*s %*s %*s %1024s %*[^\n]", &maj, &min, mp, dev)

Using device names from this file is not nice. I have just /dev/root
here. Shouldn't we just read the kernel commandline instead?

Kay