On Thu, Mar 24, 2011 at 11:28:07PM +0100, Adam Lackorzynski wrote: > > On Thu Mar 24, 2011 at 13:51:06 -0400, J. Bruce Fields wrote: > > On Thu, Mar 24, 2011 at 01:17:05PM -0400, Christoph Hellwig wrote: > > > On Wed, Mar 23, 2011 at 11:30:17PM +0100, Adam Lackorzynski wrote: > > > > I probably mistyped something and thus bisected again: > > > > > > maybe this is just a symptom. When was the nfs4 code converted > > > to just use a single open struct file, and what are the lifetime > > > rules for it? It would easily be that a long alive file might > > > make XFS keep persistent preallocations longer or similar issues. > > > > Definitely, the commit he's bisect to there seems much more likely to be > > a culprit. I'll take a closer look.... > > > > > Adam, can you create a loop filesystem with ext3 or something else > > > on it and see if the problem is XFS-specific? > > > > Originally it sounded like he was able to reproduce this only on one > > specific filesystem so I wondered whether there was something particular > > to that filesystem. > > I just found out it happens also with a newly created xfs and also with > ext3 and ext4. The reason that I did not see that initially is that the > script I'm using needs to be on the same fs which wasn't the case when I > initially tried it with a new fs. The sequence I'm using is: Ah-hah, got it. So the leak's probably of a delegation on the file containing the script itself. OK, I should be able to fix that, thanks! --b. > > # mount x.x.x:/home /tmp/st > # su - foo > $ cd /tmp/st/foo/x > $ ../test-script > foo@host:/tmp/st/foo/x$ ../test-script > Filesystem Inodes IUsed IFree IUse% Mounted on > x.x.x:/home 39321600 15 39321585 1% /tmp/st > Filesystem Inodes IUsed IFree IUse% Mounted on > x.x.x:/home 39321600 16 39321584 1% /tmp/st > Filesystem Inodes IUsed IFree IUse% Mounted on > x.x.x:/home 39321600 16 39321584 1% /tmp/st > > > > test-script: > #! /bin/sh > > df -i . > cp /bin/ls x1 > df -i . > cat x1 > /dev/null > rm x1 > df -i . > > > > > > > Adam > -- > Adam adam@xxxxxxxxxxxxxxxxxxxx > Lackorzynski http://os.inf.tu-dresden.de/~adam/ -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
