Messages in this thread | | | Subject | Re: Btrfs v0.16 released | From | Peter Zijlstra <> | Date | Thu, 07 Aug 2008 11:08:59 +0200 |
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On Tue, 2008-08-05 at 15:01 -0400, Chris Mason wrote:
> * Fine grained btree locking. The large fs_mutex is finally gone. > There is still some work to do on the locking during extent allocation, > but the code is much more scalable than it was.
Cool - will try to find a cycle to stare at the code ;-)
> * Helper threads for checksumming and other background tasks. Most CPU > intensive operations have been pushed off to helper threads to take > advantage of SMP machines. Streaming read and write throughput now > scale to disk speed even with checksumming on.
Can this lead to the same Priority Inversion issues as seen with kjournald?
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