[Dovecot] NFS cache flush tester

[Andrew Ziem]

Timo Sirainen wrote:
> On Wed, 2007-07-11 at 22:12 -0600, Andrew Ziem wrote:
>   
>> Info: Data cache flush O_DIRECT: OK
>>     
>
> I suppose this means that your kernel was compiled with
> CONFIG_NFS_DIRECTIO=y? 
>   
Yes, apparently so.  I think this is the correct file:

http://cvs.fedora.redhat.com/viewcvs/devel/kernel/configs/config-generic?root=core&rev=1.308&view=auto

> Interesting that it is enabled by default in
> Fedora and Debian. The kernel itself recommends not to use it by
> default: "This kernel build option defaults OFF to avoid exposing system
> administrators unwittingly to a potentially hazardous feature."



Andrew