On Wed, Aug 30 2006, Jeffrey E. Hundstad wrote:
> Jens Axboe wrote:
> >On Wed, Aug 30 2006, Jeffrey E. Hundstad wrote:
> >>I tried your splie-git...tar.gz file and tried the splice-cp. It
> >>produced files that are the right length... but the files only contain
> >>nulls. Here's the straces:
> >Works for me as well. Could be an fs issue, how large was the README and
> >what filesystem did you use?
> The file was 1130 bytes (it was the README in that directory.) The
> filesystem is XFS.
I can reproduce this quite easily, doing:
nelson:~ # splice-cp sda.blktrace.0 foo
nelson:~ # md5sum sda.blktrace.0 foo
'foo' contains only zeroes. Doing the same on ext3 yields the correct
results, foo contains the right data. I'm testing on
2.16.18-rc5-current, Jeffrey used 2.6.17.x latest.