From 850265335f792f5d39ab24e5fb7160bac28d77e5 Mon Sep 17 00:00:00 2001
From: Josef Bacik <josef@redhat.com>
Date: Tue, 15 Mar 2011 14:52:12 -0400
Subject: [PATCH] Btrfs: return error if the range we want to map is bogus

Currently if we have corrupt metadata map_extent_buffer will complain about it,
but not return an error so the caller has no idea a problem was hit.  Fix this.
Thanks,

Signed-off-by: Josef Bacik <josef@redhat.com>
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