Re: [RFC PATCH v2 0/7] xfs: reflink & dedupe for fsdax (read/write path).

2019-11-14 Thread Dave Chinner
On Thu, Nov 07, 2019 at 07:30:32PM -0800, Dan Williams wrote: > On Thu, Nov 7, 2019 at 7:11 PM Shiyang Ruan > wrote: > > > > Hi Darrick, Dave, > > > > Do you have any comment on this? > > Christoph pointed out at ALPSS that this problem has significant > overlap with the shared page-cache for re

Re: [RFC PATCH v2 0/7] xfs: reflink & dedupe for fsdax (read/write path).

2019-11-07 Thread Dan Williams
On Thu, Nov 7, 2019 at 7:11 PM Shiyang Ruan wrote: > > Hi Darrick, Dave, > > Do you have any comment on this? Christoph pointed out at ALPSS that this problem has significant overlap with the shared page-cache for reflink problem. So I think we need to solve that first and then circle back to dax

Re: [RFC PATCH v2 0/7] xfs: reflink & dedupe for fsdax (read/write path).

2019-11-07 Thread Shiyang Ruan
Hi Darrick, Dave, Do you have any comment on this? On 10/30/19 12:13 PM, Shiyang Ruan wrote: This patchset aims to take care of this issue to make reflink and dedupe work correctly (actually in read/write path, there still has some problems, such as the page->mapping and page->index issue, in m

Re: [RFC PATCH v2 0/7] xfs: reflink & dedupe for fsdax (read/write path).

2019-10-30 Thread Shiyang Ruan
On 10/30/19 7:48 PM, Goldwyn Rodrigues wrote: On 12:13 30/10, Shiyang Ruan wrote: This patchset aims to take care of this issue to make reflink and dedupe work correctly (actually in read/write path, there still has some problems, such as the page->mapping and page->index issue, in mmap path)

Re: [RFC PATCH v2 0/7] xfs: reflink & dedupe for fsdax (read/write path).

2019-10-30 Thread Goldwyn Rodrigues
On 12:13 30/10, Shiyang Ruan wrote: > This patchset aims to take care of this issue to make reflink and dedupe > work correctly (actually in read/write path, there still has some problems, > such as the page->mapping and page->index issue, in mmap path) in XFS under > fsdax mode. Have you managed

[RFC PATCH v2 0/7] xfs: reflink & dedupe for fsdax (read/write path).

2019-10-29 Thread Shiyang Ruan
This patchset aims to take care of this issue to make reflink and dedupe work correctly (actually in read/write path, there still has some problems, such as the page->mapping and page->index issue, in mmap path) in XFS under fsdax mode. It is based on Goldwyn's patchsets: "v4 Btrfs dax support" an