fix a bug in test_10 in sanity-quota.sh
b=13170
i=green, wangdi

b=12606
i=shadow, nikita

Description: don't use GFP_* in generic Lustre code.
Details    : Use cfs_alloc_* functions and CFS_* flags for code portability.

It is a deadlock between quota and journal.
b=11693
r=green
r=adilger