From 34071da71a665d8c81e3b3467c9a2e7c56386fec Mon Sep 17 00:00:00 2001
From: Theodore Ts'o <tytso@mit.edu>
Date: Fri, 1 Aug 2008 21:59:19 -0400
Subject: [PATCH] ext4: don't assume extents can't cross block groups when
 truncating

With the FLEX_BG layout, there is no reason why extents can't cross
block groups, so make the truncate code reserve enough credits so we
don't BUG if we come across such an extent.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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