Description of problem:
getfattr will hang

Version-Release number of selected component (if applicable):
3.3.1

How reproducible:
100%

Steps to Reproduce:
1. Configure replicated volume
2. mount via fuse
3. sudo getfattr -d -e hex /fuse/filename -n trusted.afr
  
Actual results:
getfattr hangs

Expected results:
trusted.afr: No such attribute

Additional info:
[global.callpool.stack.1.frame.1]
ref_count=1
translator=fuse
complete=0

[global.callpool.stack.1.frame.2]
ref_count=0
translator=gv0-replicate-7
complete=0
parent=gv0-dht
wind_from=dht_getxattr
wind_to=subvol->fops->getxattr
unwind_to=dht_getxattr_cbk

[global.callpool.stack.1.frame.3]
ref_count=1
translator=gv0-dht
complete=0
parent=gv0-write-behind
wind_from=default_getxattr
wind_to=FIRST_CHILD(this)->fops->getxattr
unwind_to=default_getxattr_cbk

[global.callpool.stack.1.frame.4]
ref_count=1
translator=gv0-write-behind
complete=0
parent=gv0-read-ahead
wind_from=default_getxattr
wind_to=FIRST_CHILD(this)->fops->getxattr
unwind_to=default_getxattr_cbk