cluster/afr: truncate should not treat EFBIG as failure
cluster/afr: truncate should not treat EFBIG as failure

Signed-off-by: Pranith Kumar K <pranithk@gluster.com>
Signed-off-by: Anand V. Avati <avati@dev.gluster.com>

BUG: 1351 ()
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1351

Kaushikbv/Gluster,Kaushikbv/Gluster,Kaushikbv/Gluster