Size error: expected 0x659000 stat 0x145d12 seek 0x659000
LOG DUMP (849 total operations):

Full logs could be found here:

https://testing-archive.whamcloud.com/gerrit-janitor/6308/testresults/sanityn-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/sanityn.test_16a.test_log.oleg357-client.log

The problem might be related to following cases:

1) Client A try to ftruncate file to file_size.
2) Client B Direct Write (punch hole )to update new_file_size.
3) Client A try to stat file to check whether it could get new_file_size, but got old file_size instead.