On Tue, Jul 19, 2011 at 01:30:22PM -0400, Chris Mason wrote:
We've seen a number of benchmarks dominated by contention on the root
node lock. This changes our locks into a simple reader/writer lock.
They are based on mutexes so that we still take advantage of the mutex
adaptive spins for
Excerpts from Christoph Hellwig's message of 2011-07-22 11:01:51 -0400:
On Tue, Jul 19, 2011 at 01:30:22PM -0400, Chris Mason wrote:
We've seen a number of benchmarks dominated by contention on the root
node lock. This changes our locks into a simple reader/writer lock.
They are based on
