local stripe=$($LFS getstripe -c $testdir)
# if stripe_count = 1 the size should be less than min ost size, bug 24294
- local space=$($LFS df $testdir | grep "filesystem summary:" | awk '{print $3}')
+ local space=$(lfs_df $testdir | grep "summary" | awk '{print $2}')
[ $stripe -eq 1 ] && space=$(min_ost_size)
local size=$(pios_file_size)