[lkml]   [2020]   [Mar]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH V5 00/12] Enable per-file/per-directory DAX operations V5
On Tue, Mar 10, 2020 at 11:44 PM Christoph Hellwig <> wrote:
> On Wed, Mar 11, 2020 at 05:39:42PM +1100, Dave Chinner wrote:
> > IOWs, the dax_associate_page() related functionality probably needs
> > to be a filesystem callout - part of the aops vector, I think, so
> > that device dax can still use it. That way XFS can go it's own way,
> > while ext4 and device dax can continue to use the existing mechanism
> > mechanisn that is currently implemented....
> s/XFS/XFS with rmap/, as most XFS file systems currently don't have
> that enabled we'll also need to keep the legacy path around.

Agree, it needs to be an opt-in capability as ext4 and xfs w/o rmap
will stay on the legacy path for the foreseeable future.

 \ /
  Last update: 2020-03-11 18:08    [W:0.068 / U:0.136 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site