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
Karel
--
Karel Zak <[email protected]>
http://karelzak.blogspot.com
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