From 9e94cd4fd1812bab45237f998b3c6fa1b24023fd Mon Sep 17 00:00:00 2001
From: Jens Axboe <axboe@suse.de>
Date: Tue, 20 Jun 2006 15:01:12 +0200
Subject: [PATCH] [PATCH] splice: retrieve mapping after locking the page

Otherwise we could be racing with truncate/mapping removal.

Problem found/fixed by Nick Piggin <npiggin@suse.de>, logic rewritten
by me.

Signed-off-by: Jens Axboe <axboe@suse.de>
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Reading git-format-patch failed