btrfs and /proc/self/mountinfo

Hi, I have a question about how btrfs is supposed to work with /proc/self/mountinfo. It appears that the dev_t isn't matching what one would expect when mounting a btrfs filesystem - here's /dev/sdb2 mounted at /media/usb-fedora # cat /proc/self/mountinfo |grep btrfs 17 19 0:19 / /media/usb-fed

Re: btrfs and /proc/self/mountinfo

On Sun, Apr 12, 2009 at 3:01 PM, Kay Sievers wrote: > Btrfs used to export some information in /sys/fs/btrfs/, this is > disabled for now. Maybe we can possibly make it export something like: >  $ tree /sys/fs/btrfs/ >  /sys/fs/btrfs/ >  |-- 969d1386-a002-4c28-94f2-47be23f344e4 >  |   |-- ba1532f3

Re: Discrepant st_rdev and st_dev stats in btrfs block and fs device ids

Hey, > Can anyone repeat this? Any ideas why this could be happening? > Is this expected? There was some discussion about this some time ago, see http://news.gmane.org/find-root.php?message_id=%3c7b13a0f80904120735r41736455hb7e226ab8ad30bd7%40mail.gmail.com%3e I don't think it's resolved yet