Mike Gao wrote: > Thanks very much for help. The kernel is pretty old, 2.6.19 but the xfs > is pretty new. > the block size is 512 and use mmap for test with write and read compare. > (xfstest 074). > > If I ignored this ASSERT(comment out), the test will failed. I guess > because some pages never written to disk. > FWIW, in your case, if you are not expecting to do IO like test 194 then maybe you'd be better off w/o this patch if it's causing problems in more normal IO patterns ... -Eric _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs