Hi Chris,
Thanks for the report, I've figured it out and will send a fix.
This bug is caused by the part of cleanup code of
commit cb517eabba4f109810dba2e5f37b0dcf22103065(Btrfs: cleanup the similar code
of the fs root read)
thanks,
-liubo
On Sat, May 10, 2014 at 08:08:28PM -0600, Chris Murp
Summary is, existing btrfs fs is made into a seed device, mounting it mounts
read-only, add device to it, unmount, then mount again so it mounts rw, then
delete the seed device. I expect that everything on the seed device is moved to
the newly added device, while the seed device is unchanged (to
