Re: [Cluster-devel] [GFS2 PATCH] GFS2: Instruct DLM to avoid queue convert slowdowns

2012-04-10 Thread Steven Whitehouse
Hi, On Thu, 2012-04-05 at 12:11 -0400, Bob Peterson wrote: Hi, Here's another patch (explanation below). This patch replies upon a DLM patch that hasn't fully gone upstream yet, so perhaps it shouldn't be added to the nmw tree until it is. This greatly improves the performance of gfs2_grow

Re: [Cluster-devel] [GFS2 PATCH] GFS2: Instruct DLM to avoid queue convert slowdowns

2012-04-10 Thread David Teigland
On Tue, Apr 10, 2012 at 10:12:28AM +0100, Steven Whitehouse wrote: Hi, On Thu, 2012-04-05 at 12:11 -0400, Bob Peterson wrote: Hi, Here's another patch (explanation below). This patch replies upon a DLM patch that hasn't fully gone upstream yet, so perhaps it shouldn't be added to

Re: [Cluster-devel] [GFS2 PATCH] GFS2: Instruct DLM to avoid queue convert slowdowns

2012-04-10 Thread Steven Whitehouse
Hi, On Tue, 2012-04-10 at 10:08 -0400, David Teigland wrote: On Tue, Apr 10, 2012 at 10:12:28AM +0100, Steven Whitehouse wrote: Hi, On Thu, 2012-04-05 at 12:11 -0400, Bob Peterson wrote: Hi, Here's another patch (explanation below). This patch replies upon a DLM patch that

Re: [Cluster-devel] [GFS2 PATCH] GFS2: Instruct DLM to avoid queue convert slowdowns

2012-04-10 Thread Steven Whitehouse
Hi, On Tue, 2012-04-10 at 10:01 -0400, Bob Peterson wrote: - Original Message - | Hi, | | On Thu, 2012-04-05 at 12:11 -0400, Bob Peterson wrote: | Hi, | | Here's another patch (explanation below). This patch replies upon | a DLM patch that hasn't fully gone upstream yet, so

[Cluster-devel] [GFS2 PATCH] [TRY 2] GFS2: Instruct DLM to avoid queue convert slowdown

2012-04-10 Thread Bob Peterson
Hi, Here is my revised patch based on Steve's suggestion to base the flag on the recent GLF_BLOCKING flag. We still need to keep this on hold until the prerequisite dlm patch is properly upstream. Regards, Bob Peterson Red Hat File Systems Signed-off-by: Bob Peterson rpete...@redhat.com ---

Re: [Cluster-devel] [GFS2 PATCH] [TRY 2] GFS2: Instruct DLM to avoid queue convert slowdown

2012-04-10 Thread Steven Whitehouse
Hi, On Tue, 2012-04-10 at 14:13 -0400, Bob Peterson wrote: Hi, Here is my revised patch based on Steve's suggestion to base the flag on the recent GLF_BLOCKING flag. We still need to keep this on hold until the prerequisite dlm patch is properly upstream. Regards, Bob Peterson Red

Re: [Cluster-devel] [GFS2 PATCH] [TRY 3] GFS2: Instruct DLM to avoid queue convert slowdown

2012-04-10 Thread Bob Peterson
- Original Message - | why not just test the flag bit here? | | Otherwise looks good, | | Steve. Hi, Silly me. Good catch. It's been a long day. Sigh. Regards, Bob Peterson Red Hat File Systems Signed-off-by: Bob Peterson rpete...@redhat.com --- Author: Bob Peterson

Re: [Cluster-devel] [GFS2 PATCH] [TRY 3] GFS2: Instruct DLM to avoid queue convert slowdown

2012-04-10 Thread Steven Whitehouse
Hi, Thanks - that looks good. I'll add it to the queue as soon as the DLM patch has made it to the required state too, Steve. On Tue, 2012-04-10 at 14:45 -0400, Bob Peterson wrote: - Original Message - | why not just test the flag bit here? | | Otherwise looks good, | | Steve.