From: Dan Williams <dan.j.williams@intel.com>
To: Dave Jiang <dave.jiang@intel.com>
Cc: linux-nvdimm <linux-nvdimm@lists.01.org>
Subject: Re: [PATCH v2] dax: allow MAP_SYNC for device-dax mmap() to succeed
Date: Thu, 19 Apr 2018 14:08:13 -0700 [thread overview]
Message-ID: <CAPcyv4gNjvn5=f5K8oRG7dgh_O0Hu5_bjJ+X95yrYHR42p2x8w@mail.gmail.com> (raw)
In-Reply-To: <152417033504.18702.8933921557309052260.stgit@djiang5-desk3.ch.intel.com>
On Thu, Apr 19, 2018 at 1:39 PM, Dave Jiang <dave.jiang@intel.com> wrote:
> MAP_SYNC is a nop for device-dax. Allow MAP_SYNC to succeed on device-dax
> to eliminate special casing between device-dax and fs-dax as to when the
> flag can be specified. Device-dax users already implicitly assume that they do
> not need to call fsync(), and this enables them to explicitly check for this
> capability.
>
> Signed-off-by: Dave Jiang <dave.jiang@intel.com>
> ---
>
> v2: update commit message with suggestion from Dan.
Looks good,
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
_______________________________________________
Linux-nvdimm mailing list
Linux-nvdimm@lists.01.org
https://lists.01.org/mailman/listinfo/linux-nvdimm
prev parent reply other threads:[~2018-04-19 21:08 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-19 20:39 [PATCH v2] dax: allow MAP_SYNC for device-dax mmap() to succeed Dave Jiang
2018-04-19 21:08 ` Dan Williams [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to='CAPcyv4gNjvn5=f5K8oRG7dgh_O0Hu5_bjJ+X95yrYHR42p2x8w@mail.gmail.com' \
--to=dan.j.williams@intel.com \
--cc=dave.jiang@intel.com \
--cc=linux-nvdimm@lists.01.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).