From 470b7aba48541808c943a077f6629fcb57bf739a Mon Sep 17 00:00:00 2001
From: Alex Elsayed <eternaleye@gmail.com>
Date: Thu, 1 Mar 2018 18:02:11 -0800
Subject: Todo: add DAX to wishlist

---
 Todo.mdwn | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'Todo.mdwn')

diff --git a/Todo.mdwn b/Todo.mdwn
index 3c7db30..51065c5 100644
--- a/Todo.mdwn
+++ b/Todo.mdwn
@@ -145,6 +145,10 @@
  * Support the [`i_version` inode attribute][iversion], useful for NFSv4,
    backup tools, indexers, and other things that want to have a counter
    that updates whenever something changes about a file.
+ * Support DAX, to allow using NVM devices directly and reduce page-cache
+   pressure
+   * Caveat: May need careful thinking if the kernel assumes it can write
+     directly if DAX is supported; getting checksums invalidated would suck.
 
 [AESSIV]: https://tools.ietf.org/html/rfc5297
 [secdel]: https://lwn.net/Articles/462437/
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