EIO is returned instead of EDQUOT

[benrubson]

Hello,

EIO is returned instead of EDQUOT, which can confuse the user searching for the error root cause.

Example :

# zfs create home/test
# zfs set userquota@root=1G home/test
# dd if=/dev/zero of=/home/test/toobig bs=128k
dd: /home/test/toobig: Disc quota exceeded
# rm /home/test/toobig 

# mkdir /home/test/one
# mkdir /home/test/two
# echo "p
password" | encfs -S /home/test/one/ /home/test/two/
# mount | grep fuse
/dev/fuse on /home/test/two (fusefs, local, synchronous)
# dd if=/dev/zero of=/home/test/two/toobig bs=128k
dd: /home/test/two/toobig: Input/output error

dd, writing to fuse/encfs, should have returned EDQUOT instead of EIO.

Sounds like the issue comes from this :
https://github.com/vgough/encfs/blob/v1.9.1/encfs/encfs.cpp#L625

Could we relay the underlying error please ?

Many thanks 👍

Ben

[benrubson]

Solved by #295 👍

[benrubson]

Committed !