XFS Test Case:252 - Shows Wrong Output

[Dave Chinner]

On Thu, Jun 23, 2011 at 11:21:26AM +0530, Amit Sahrawat wrote:
> Hi,
> 
> *PLATFORM      -- Linux/i686 localhost 2.6.31.5-127.fc12.i686.PAE*
                                         ^^^^^^^^^^^
> 
> The output as per the command mentioned by you:
> [root at localhost xfstests-2011-05-11]# xfs_io -f -c "truncate 20k" -c "falloc
> 0 20k" -c "pwrite 0k 8k" -c "fs
> ync" -c "pwrite 12k 8k" -c "fsync" -c "fpunch 4k 12k" -c "fiemap -v"
> /media/c/newfile
> wrote 8192/8192 bytes at offset 0
> 8 KiB, 2 ops; 0.0000 sec (434.028 MiB/sec and 111111.1111 ops/sec)
> command "fs
> ync" not found
> wrote 8192/8192 bytes at offset 12288
> 8 KiB, 2 ops; 0.0000 sec (977 MiB/sec and 250000.0000 ops/sec)
> /media/c/newfile:
> * EXT: FILE-OFFSET      BLOCK-RANGE      TOTAL FLAGS
>    0: [0..15]:         176..191            16   0x0
>    1: [16..23]:        192..199             8 0x800
>    2: [24..39]:        200..215            16   0x1
> *

The fpunch command did not punch the range out. 

Amit, once again you're testing on a kernel (2.6.31) that does not
support the punch operation. As I suggested previously, you need to
find out why the fpunch command is not returning an error as that is
root cause of your failures.

Cheers,

Dave.
-- 
Dave Chinner
david at fromorbit.com