qgroup code slowing down rebalance

2016-03-19 Thread Dave Hansen
I have a medium-sized multi-device btrfs filesystem (4 disks, 16TB total) running under 4.5.0-rc5. I recently added a disk and needed to rebalance. I started a rebalance operation three days ago. It was on the order of 20% done after those three days. :) During this rebalance, the disks were

Re: qgroup code slowing down rebalance

2016-03-19 Thread Dave Hansen
On 03/17/2016 06:02 PM, Qu Wenruo wrote: > Dave Hansen wrote on 2016/03/17 09:36 -0700: >> On 03/16/2016 06:36 PM, Qu Wenruo wrote: >>> Dave Hansen wrote on 2016/03/16 13:53 -0700: >>>> I have a medium-sized multi-device btrfs filesystem (4 disks, 16TB >>&

Re: qgroup code slowing down rebalance

2016-03-19 Thread Dave Hansen
On 03/16/2016 06:36 PM, Qu Wenruo wrote: > Dave Hansen wrote on 2016/03/16 13:53 -0700: >> I have a medium-sized multi-device btrfs filesystem (4 disks, 16TB >> total) running under 4.5.0-rc5. I recently added a disk and needed to >> rebalance. I started a rebalance ope

Re: [PATCH V3 3/8] Cleancache: core ops functions and configuration

2010-06-22 Thread Dave Hansen
On Mon, 2010-06-21 at 16:19 -0700, Dan Magenheimer wrote: --- linux-2.6.35-rc2/include/linux/cleancache.h 1969-12-31 17:00:00.0 -0700 +++ linux-2.6.35-rc2-cleancache/include/linux/cleancache.h 2010-06-21 14:45:18.0 -0600 @@ -0,0 +1,88 @@ +#ifndef _LINUX_CLEANCACHE_H