Performance problem with xfs

[Feizhou <feizhou@xxxxxxxxxxxxx>]

Hi,

I am having performance issues with a box running 3ware 0+1 mode where 
one of the filesystems is xfs based.
xfs_ili and xfs_inode are the values that change

 xfs_bmap /var/catchall/bulkdb/
/var/catchall/bulkdb/:
        0: [0..7]: 42235064..42235071

Also, kswapd chews substantial cpu.

The filesystem was created using the latest xfs tools with zarro options 
besides -f to overwrite the existing filesystem.
Please give me some pointers on how to tune the filesystem.

Feizhou