Btrfs devel - Feb 2014 - btrfs userland interface isn't 32/64bit clean (breaks lsattr and btrfs send)

I was trying to make sense out of this:
gargamel:~# lsattr
lsattr: Inappropriate ioctl for device While reading flags on ./satapmtool
lsattr: Inappropriate ioctl for device While reading flags on ./usbreset


As well as the btrfs send issue I reported:
gargamel:/mnt/btrfs_pool1# btrfs send media_ro.20140222_11:12:53 | less
At subvol media_ro.20140222_11:12:53
ERROR: send ioctl failed with -25: Inappropriate ioctl for device

I was trying to figure out why it was failing on one system while it was working
on my other ones with the same kernel.

In the end I pinned it down to this:
3.13.5's kernel/userland interface fails if my kernel is 64bit and my
userland 32bit.

lsattr and btrfs send, and maybe more things fail, but they started working
the moment I updated my kernel to 32bit

Is this difficult to fix?
Do I need to file bugs with some folks, or this mail is enough?

Thanks,
Marc
-- 
"A mouse is a device used to point at the xterm you want to type in" -
A.S.R.
Microsoft is to operating systems ....
                                      .... what McDonalds is to gourmet cooking
Home page: http://marc.merlins.org/  
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