Re: [Lsf-pc] [LSF/MM TOPIC] The end of the DAX experiment

2019-06-07 Thread Dan Williams
On Wed, Jun 5, 2019 at 9:22 AM Goldwyn Rodrigues wrote: > > Hi Dan/Jerome, > > On 12:20 14/02, Dan Williams wrote: > > On Thu, Feb 14, 2019 at 12:09 PM Matthew Wilcox wrote: > > > > > > On Thu, Feb 14, 2019 at 11:31:24AM -0800, Dan Williams wrote: > > > > On Thu, Feb 14, 2019 at 11:10 AM Jerome

Re: [Lsf-pc] [LSF/MM TOPIC] The end of the DAX experiment

2019-06-05 Thread Goldwyn Rodrigues
Hi Dan/Jerome, On 12:20 14/02, Dan Williams wrote: > On Thu, Feb 14, 2019 at 12:09 PM Matthew Wilcox wrote: > > > > On Thu, Feb 14, 2019 at 11:31:24AM -0800, Dan Williams wrote: > > > On Thu, Feb 14, 2019 at 11:10 AM Jerome Glisse wrote: > > > > I am just again working on my struct page mapping

Re: [LSF/MM TOPIC] The end of the DAX experiment

2019-02-18 Thread Dan Williams
On Sun, Feb 17, 2019 at 12:29 PM Ric Wheeler wrote: > > On 2/6/19 4:12 PM, Dan Williams wrote: > > Before people get too excited this isn't a proposal to kill DAX. The > > topic proposal is a discussion to resolve lingering open questions > > that currently motivate ext4 and xfs to scream

Re: [LSF/MM TOPIC] The end of the DAX experiment

2019-02-17 Thread Ric Wheeler
On 2/6/19 4:12 PM, Dan Williams wrote: Before people get too excited this isn't a proposal to kill DAX. The topic proposal is a discussion to resolve lingering open questions that currently motivate ext4 and xfs to scream "EXPERIMENTAL" when the current DAX facilities are enabled. The are 2

Re: [Lsf-pc] [LSF/MM TOPIC] The end of the DAX experiment

2019-02-15 Thread Dave Chinner
On Thu, Feb 14, 2019 at 12:20:11PM -0800, Dan Williams wrote: > On Thu, Feb 14, 2019 at 12:09 PM Matthew Wilcox wrote: > > > > On Thu, Feb 14, 2019 at 11:31:24AM -0800, Dan Williams wrote: > > > On Thu, Feb 14, 2019 at 11:10 AM Jerome Glisse wrote: > > > > I am just again working on my struct

Re: [Lsf-pc] [LSF/MM TOPIC] The end of the DAX experiment

2019-02-14 Thread Jerome Glisse
On Thu, Feb 14, 2019 at 12:20:11PM -0800, Dan Williams wrote: > On Thu, Feb 14, 2019 at 12:09 PM Matthew Wilcox wrote: > > > > On Thu, Feb 14, 2019 at 11:31:24AM -0800, Dan Williams wrote: > > > On Thu, Feb 14, 2019 at 11:10 AM Jerome Glisse wrote: > > > > I am just again working on my struct

Re: [Lsf-pc] [LSF/MM TOPIC] The end of the DAX experiment

2019-02-14 Thread Dan Williams
On Thu, Feb 14, 2019 at 12:09 PM Matthew Wilcox wrote: > > On Thu, Feb 14, 2019 at 11:31:24AM -0800, Dan Williams wrote: > > On Thu, Feb 14, 2019 at 11:10 AM Jerome Glisse wrote: > > > I am just again working on my struct page mapping patchset as well as > > > the generic page write protection

Re: [Lsf-pc] [LSF/MM TOPIC] The end of the DAX experiment

2019-02-14 Thread Matthew Wilcox
On Thu, Feb 14, 2019 at 11:31:24AM -0800, Dan Williams wrote: > On Thu, Feb 14, 2019 at 11:10 AM Jerome Glisse wrote: > > I am just again working on my struct page mapping patchset as well as > > the generic page write protection that sits on top. I hope to be able > > to post the v2 in couple

Re: [Lsf-pc] [LSF/MM TOPIC] The end of the DAX experiment

2019-02-14 Thread Dan Williams
On Thu, Feb 14, 2019 at 11:10 AM Jerome Glisse wrote: > > On Thu, Feb 14, 2019 at 10:25:07AM -0800, Dan Williams wrote: > > On Thu, Feb 14, 2019 at 5:46 AM Michal Hocko wrote: > > > > > > On Wed 06-02-19 13:12:59, Dan Williams wrote: > > > [...] > > > > * Userfaultfd for file-backed mappings and

Re: [Lsf-pc] [LSF/MM TOPIC] The end of the DAX experiment

2019-02-14 Thread Jerome Glisse
On Thu, Feb 14, 2019 at 10:25:07AM -0800, Dan Williams wrote: > On Thu, Feb 14, 2019 at 5:46 AM Michal Hocko wrote: > > > > On Wed 06-02-19 13:12:59, Dan Williams wrote: > > [...] > > > * Userfaultfd for file-backed mappings and DAX > > > > I assume that other topics are meant to be FS track but

Re: [Lsf-pc] [LSF/MM TOPIC] The end of the DAX experiment

2019-02-14 Thread Dan Williams
On Thu, Feb 14, 2019 at 5:46 AM Michal Hocko wrote: > > On Wed 06-02-19 13:12:59, Dan Williams wrote: > [...] > > * Userfaultfd for file-backed mappings and DAX > > I assume that other topics are meant to be FS track but this one is MM, > right? Yes, but I think it is the lowest priority of all

Re: [Lsf-pc] [LSF/MM TOPIC] The end of the DAX experiment

2019-02-14 Thread Michal Hocko
On Wed 06-02-19 13:12:59, Dan Williams wrote: [...] > * Userfaultfd for file-backed mappings and DAX I assume that other topics are meant to be FS track but this one is MM, right? -- Michal Hocko SUSE Labs

Re: [LSF/MM TOPIC] The end of the DAX experiment

2019-02-08 Thread Johannes Thumshirn
On 07/02/2019 22:51, Kani, Toshi wrote: > I've also had multiple users complained about 'mount -o dax' succeeded > by falling back to non-dax despite of their intent. Such users wasted > many hours without knowing their setup error / current restrictions. > The next think they always ask is how

Re: [LSF/MM TOPIC] The end of the DAX experiment

2019-02-07 Thread Kani, Toshi
On Wed, 2019-02-06 at 13:12 -0800, Dan Williams wrote: > Before people get too excited this isn't a proposal to kill DAX. The > topic proposal is a discussion to resolve lingering open questions > that currently motivate ext4 and xfs to scream "EXPERIMENTAL" when the > current DAX facilities are

[LSF/MM TOPIC] The end of the DAX experiment

2019-02-06 Thread Dan Williams
Before people get too excited this isn't a proposal to kill DAX. The topic proposal is a discussion to resolve lingering open questions that currently motivate ext4 and xfs to scream "EXPERIMENTAL" when the current DAX facilities are enabled. The are 2 primary concerns to resolve. Enumerate the