Re: xfs + knfsd w/ sync exports

[Steve Lord <lord@xxxxxxx>]

> The answer could very well be "don't use sync exports with a journaling files
> ystem", but I thought I'd throw this out there so it's at least a documented 
> restriction...  
> 
> I'm running 2.4.2-SGI_XFS_0.10.4d1 with knfsd, supporting NFS v3.  Mounted a 
> XFS filesystem through RedHat's new multipath code, exported the filesystem (
> rw,no_subtree_check,sync).
> 
> Mounted on a similar machine, then tried to write a few files.  The operation
>  hung.  Furthermore, access on the local system to the same filesystem also h
> ung.  I presume somebody was sitting on a lock?

OK, I can reproduce, I will take a look, but for now, dropping the sync
option is probably the way to go.

Steve