On 01/28/2012 04:51 AM, Eric Sandeen wrote: > Hi, I was wondering if you could describe your intent for 274 just a little more. > > The test says: > > # preallocation test > > but that is the only comment other than copyright. ;) Maybe the comment is too simple :) > > I see that it does: > > # Make a 1G fs > # Create a single 4k file > # Allocate 1M past the EOF on that file > # Completely fill remaining space, using 2 other files > # Write 8k past EOF on the original file which has blocks past EOF > > but I am not certain what you are testing. I presume that > you are testing the fact that the 1M past EOF should be truncated, > freeing up space, and allowing the 8k write to succeed? > Is that right? Actually I write 8K at the end of 4K(seek=1), and what I want to test is the 8K-write should be succeed because the preallocation 1M. At the mean while, the file should not be truncated. Thanks, wubo > > However, at least on ext4 I noticed that the "fill the fs" > stage does not succeed; perhaps that should be tested as well. > > I can do some similar work on this like I did for 275, but I need > to be sure I understand your original intent for the test, first. > > Thanks, > -Eric > _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs