Bug#666121: please rate-limit NFS state manager error messages

[Jonathan Nieder <jrnieder@gmail.com>]

found 666121 linux-2.6/3.2.13-1
tags 666121 + upstream patch fixed-upstream
# flooding logs is no fun
severity 666121 important
quit

Hi dkg,

Daniel Kahn Gillmor wrote:

> Sometimes, the NFSv4 client's state mangaer gets into a bad state.
> This causes insane amounts of error messages which can quickly fill up
> /var in common syslog configurations (i've seen 1000's of lines per
> second)
>
> I brought this up with upstream and Trond Myklebust offered the
> attached patch to rate-limit the error messages:
[...]
> It was included in Trond's pull request last Thursday to Linus for
> inclusion with upstream:
[...]
> 9a3ba432330e504ac61ff0043dbdaba7cea0e35a

The patch has been queued for inclusion in 3.2.14 (which doesn't
preclude us picking it up sooner, of course).

Thanks for making it happen.