Re: [Cluster-devel] [GFS2 PATCH 1/2] GFS2: Introduce LM_FLAG_NODE_EX holder bit: Node Exclusive sharing

On 15 May 2018 at 20:29, Bob Peterson wrote: > This patch is a first step in rgrp sharing. It allows for glocks > locked in EX mode to be shared amongst processes on that node. > > Like a SH (shared) glock, multiple processes may hold the lock in > EX mode at the same time,

[Cluster-devel] [GFS2 PATCH 1/2] GFS2: Introduce LM_FLAG_NODE_EX holder bit: Node Exclusive sharing

This patch is a first step in rgrp sharing. It allows for glocks locked in EX mode to be shared amongst processes on that node. Like a SH (shared) glock, multiple processes may hold the lock in EX mode at the same time, provided they're all on the same node. This is a holder flag, meaning "Even