e32b0768f572
author Tsutomu Itoh <t-itoh@jp.fujitsu.com> 1303982301 +0000
committer Chris Mason <chris.mason@oracle.com> 1306171480 -0400

Btrfs: check return value of btrfs_inc_extent_ref()

If return value of btrfs_inc_extent_ref() is not 0, BUG() is called.

Signed-off-by: Tsutomu Itoh <t-itoh@jp.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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