Re: [PATCH v4 00/73] XArray version 4

2017-12-06 Thread Matthew Wilcox
On Wed, Dec 06, 2017 at 04:58:29PM -0700, Ross Zwisler wrote: > Maybe I missed this from a previous version, but can you explain the > motivation for replacing the radix tree with an xarray? (I think this should > probably still be part of the cover letter?) Do we have a performance problem > we

Re: [PATCH v4 00/73] XArray version 4

2017-12-06 Thread Ross Zwisler
On Tue, Dec 05, 2017 at 04:40:46PM -0800, Matthew Wilcox wrote: > From: Matthew Wilcox > > I looked through some notes and decided this was version 4 of the XArray. > Last posted two weeks ago, this version includes a *lot* of changes. > I'd like to thank Dave Chinner for

Re: [PATCH v4 00/73] XArray version 4

2017-12-05 Thread Dave Chinner
On Tue, Dec 05, 2017 at 06:05:15PM -0800, Matthew Wilcox wrote: > On Wed, Dec 06, 2017 at 12:45:49PM +1100, Dave Chinner wrote: > > On Tue, Dec 05, 2017 at 04:40:46PM -0800, Matthew Wilcox wrote: > > > From: Matthew Wilcox > > > > > > I looked through some notes and

Re: [PATCH v4 00/73] XArray version 4

2017-12-05 Thread Matthew Wilcox
On Wed, Dec 06, 2017 at 01:17:52PM +1100, Dave Chinner wrote: > On Wed, Dec 06, 2017 at 01:53:41AM +, Matthew Wilcox wrote: > > Huh, you've caught a couple of problems that 0day hasn't sent me yet. Try > > turning on DAX or TRANSPARENT_HUGEPAGE. Thanks! > > Dax is turned on,

Re: [PATCH v4 00/73] XArray version 4

2017-12-05 Thread Dave Chinner
; > linux-...@vger.kernel.org; > > linux-usb@vger.kernel.org; linux-ker...@vger.kernel.org > > Subject: Re: [PATCH v4 00/73] XArray version 4 > > > > On Wed, Dec 06, 2017 at 12:45:49PM +1100, Dave Chinner wrote: > > > On Tue, Dec 05, 2017 at 04:40:46PM -0800, Matthe

Re: [PATCH v4 00/73] XArray version 4

2017-12-05 Thread Matthew Wilcox
On Wed, Dec 06, 2017 at 12:45:49PM +1100, Dave Chinner wrote: > On Tue, Dec 05, 2017 at 04:40:46PM -0800, Matthew Wilcox wrote: > > From: Matthew Wilcox > > > > I looked through some notes and decided this was version 4 of the XArray. > > Last posted two weeks ago, this

RE: [PATCH v4 00/73] XArray version 4

2017-12-05 Thread Matthew Wilcox
rceforge.net; linux- > ni...@vger.kernel.org; linux-bt...@vger.kernel.org; linux-...@vger.kernel.org; > linux-usb@vger.kernel.org; linux-ker...@vger.kernel.org > Subject: Re: [PATCH v4 00/73] XArray version 4 > > On Wed, Dec 06, 2017 at 12:45:49PM +1100, Dave Chinner wrote: > > On Tue,

Re: [PATCH v4 00/73] XArray version 4

2017-12-05 Thread Dave Chinner
On Wed, Dec 06, 2017 at 12:45:49PM +1100, Dave Chinner wrote: > On Tue, Dec 05, 2017 at 04:40:46PM -0800, Matthew Wilcox wrote: > > From: Matthew Wilcox > > > > I looked through some notes and decided this was version 4 of the XArray. > > Last posted two weeks ago, this

Re: [PATCH v4 00/73] XArray version 4

2017-12-05 Thread Dave Chinner
On Tue, Dec 05, 2017 at 04:40:46PM -0800, Matthew Wilcox wrote: > From: Matthew Wilcox > > I looked through some notes and decided this was version 4 of the XArray. > Last posted two weeks ago, this version includes a *lot* of changes. > I'd like to thank Dave Chinner for