From 75c72b8366f35f2e5cf1b841b52095948878b794 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@lst.de>
Date: Sun, 18 Jan 2015 16:16:32 +0100
Subject: [PATCH] block: merge __bio_map_kern into bio_map_kern

This saves a little code, and allow to simplify the error handling.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Ming Lei <tom.leiming@gmail.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
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Reading git-format-patch failed