From 9484ab1bf4464faae695321dd4fa66365beda74e Mon Sep 17 00:00:00 2001
From: Jan Kara <jack@suse.cz>
Date: Thu, 10 Nov 2016 10:26:50 +1100
Subject: dax: Introduce IOMAP_FAULT flag

Introduce a flag telling iomap operations whether they are handling a
fault or other IO. That may influence behavior wrt inode size and
similar things.

Signed-off-by: Jan Kara <jack@suse.cz>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dave Chinner <david@fromorbit.com>
---
 include/linux/iomap.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'include/linux/iomap.h')

diff --git a/include/linux/iomap.h b/include/linux/iomap.h
index e63e288dee83..b9e7b8ec8c1d 100644
--- a/include/linux/iomap.h
+++ b/include/linux/iomap.h
@@ -44,6 +44,7 @@ struct iomap {
  */
 #define IOMAP_WRITE		(1 << 0)
 #define IOMAP_ZERO		(1 << 1)
+#define IOMAP_FAULT		(1 << 3) /* mapping for page fault */
 
 struct iomap_ops {
 	/*
-- 
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