xfstests, bad generic tests 009 and 308

[angelo <angelo70@gmail.com>]

Hi all,

working on arm (32bit arch), kernel 4.1.6.
Looking to find the reason of a bad result on xfstests,

-tests/generic/009
------------------
i get several "all holes" messages

generic/009    [  842.949643] run fstests generic/009 at 2015-09-18 
15:29:36
  - output mismatch (see 
/home/angelo/xfstests/results//generic/009.out.bad)
     --- tests/generic/009.out    2015-09-17 10:54:06.689071257 +0000
     +++ /home/angelo/xfstests/results//generic/009.out.bad 2015-09-18 
15:29:41.412784177 +0000
     @@ -1,79 +1,45 @@
      QA output created by 009
          1. into a hole
     -0: [0..7]: hole
     -1: [8..23]: unwritten
     -2: [24..39]: hole
     +0: [0..39]: hole
      daa100df6e6711906b61c9ab5aa16032

also some other tests are giving the same bad notices.


-tests/generic/308
------------------

I have now: CONFIG_LBDAF=y

In my target device this test creates a 16 Terabytes file 308.tempfile

-rw------- 1 root root  17592186044415 Sep 18 09:40 testfile.308

While "df" is not complaining about:

/dev/mmcblk0p5   8378368   45252   8333116   1% /media/p5

and next rm -f on it hands the cpu to 95%, forever.

This issue seems known from a long time, as it has been discussed in the 
thread:

http://oss.sgi.com/archives/xfs/2013-04/msg00273.html

I was wondering if there was any special reason why the Jeff patch has
never been finally applied.

I applied this patch anyway, and tests pass.


Best regards,
Angelo Dureghello

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