Messages in this thread | | | From | Steve French <> | Date | Fri, 18 May 2018 13:44:44 -0700 | Subject | Re: [RFC PATCH 09/09] Introduce cache=rdma moutning option |
| |
On Fri, May 18, 2018 at 12:00 PM, Long Li via samba-technical <samba-technical@lists.samba.org> wrote: >> Subject: Re: [RFC PATCH 09/09] Introduce cache=rdma moutning option >> >> On Thu, May 17, 2018 at 05:22:14PM -0700, Long Li wrote: >> > From: Long Li <longli@microsoft.com> >> > >> > When cache=rdma is enabled on mount options, CIFS do not allocate >> > internal data buffer pages for I/O, data is read/writen directly to user >> memory via RDMA. >> >> I don't think this should be an option. For direct I/O without signing or >> encryption CIFS should always use get_user_pages, with or without RDMA. > > Yes this should be done for all transport. If there are no objections, I'll send patches to change this.
Would this help/change performance much?
-- Thanks,
Steve
| |