[udisks] CD-ROM polling failed due to O_EXCL flag (poller.c)

[Kay Sievers]

On Tue, Mar 1, 2011 at 13:33, Karel Zak <kzak at redhat.com> wrote:
> On Tue, Mar 01, 2011 at 01:09:56PM +0100, Kay Sievers wrote:
>> Btrfs is like a network filesystem, it has no backing device.
>
>  but for example NFS is consistent:
>
>  $ stat --format "%d" /mnt/store/a
>  41
>
>  $ grep /mnt/store /proc/self/mountinfo
>  47 20 0:41 / /mnt/store rw,relatime - nfs sr.net.home:/mnt/store rw,vers=3,rsize=131072,wsize=131072,namlen=255,hard,proto=tcp,timeo=600,retrans=2,sec=sys,mountaddr=192.168.111.1,mountvers=3,mountport=37090,mountproto=udp,addr=192.168.111.1
>       ^^^^
>
>  so the stat.st_dev is the same like in mountinfo

Ah, I see what you mean. It's unrelated to the O_EXCL thing here, not
about the device <-> mount mapping, just some weirdness with btrfs?

Kay