FAILED: patch "[PATCH] PM: hibernate: flush swap writer after marking" failed to apply to 4.14-stable tree

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The patch below does not apply to the 4.14-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@xxxxxxxxxxxxxxx>.

thanks,

greg k-h

------------------ original commit in Linus's tree ------------------

>From fef9c8d28e28a808274a18fbd8cc2685817fd62a Mon Sep 17 00:00:00 2001
From: Laurent Badel <laurentbadel@xxxxxxxxx>
Date: Fri, 22 Jan 2021 17:19:41 +0100
Subject: [PATCH] PM: hibernate: flush swap writer after marking
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Flush the swap writer after, not before, marking the files, to ensure the
signature is properly written.

Fixes: 6f612af57821 ("PM / Hibernate: Group swap ops")
Signed-off-by: Laurent Badel <laurentbadel@xxxxxxxxx>
Cc: All applicable <stable@xxxxxxxxxxxxxxx>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>

diff --git a/kernel/power/swap.c b/kernel/power/swap.c
index c73f2e295167..72e33054a2e1 100644
--- a/kernel/power/swap.c
+++ b/kernel/power/swap.c
@@ -497,10 +497,10 @@ static int swap_writer_finish(struct swap_map_handle *handle,
 		unsigned int flags, int error)
 {
 	if (!error) {
-		flush_swap_writer(handle);
 		pr_info("S");
 		error = mark_swapfiles(handle, flags);
 		pr_cont("|\n");
+		flush_swap_writer(handle);
 	}
 
 	if (error)




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