From 98eb8d95025bd96d78fa4d27fb9e1e8d162c7227 Mon Sep 17 00:00:00 2001
From: Kaixu Xia <kaixuxia@tencent.com>
Date: Thu, 30 Jun 2022 10:04:18 -0700
Subject: [PATCH] iomap: set did_zero to true when zeroing successfully

It is unnecessary to check and set did_zero value in while() loop
in iomap_zero_iter(), we can set did_zero to true only when zeroing
successfully at last.

Signed-off-by: Kaixu Xia <kaixuxia@tencent.com>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
---
 fs/iomap/buffered-io.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c
index 02b8bb46e0b3..afd260632836 100644
--- a/fs/iomap/buffered-io.c
+++ b/fs/iomap/buffered-io.c
@@ -917,10 +917,10 @@ static loff_t iomap_zero_iter(struct iomap_iter *iter, bool *did_zero)
 		pos += bytes;
 		length -= bytes;
 		written += bytes;
-		if (did_zero)
-			*did_zero = true;
 	} while (length > 0);
 
+	if (did_zero)
+		*did_zero = true;
 	return written;
 }