Serious zfs slowdown when mixed with another file system (ufs/msdosfs/etc.).

[Andriy Gapon]

on 12/07/2010 12:39 Peter Jeremy said the following:
>  /*
> - * If pages are needed or we're within 2048 pages
> - * of needing to page need to reclaim
> + * If we're within 2048 pages of pagedaemon start, reclaim...
>   */
> - if (vm_pages_needed || (vm_paging_target() > -2048))
> + if (vm_pages_needed && (vm_paging_target() > -2048))

I am not sure that what comment says is actually what the code checks.
For both pre-patch and post-patch versions.

-- 
Andriy Gapon