From: Mark Fasheh <mfasheh@suse.com>
Date: Mon, 29 Aug 2011 21:30:39 +0000 (-0700)
Subject: btrfs: Don't BUG_ON errors from update_ref_for_cow()
X-Git-Tag: v3.4-rc1~22^2~13^2~10
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b68dc2a93e794c8507338c91577a277efa4555d5;p=pandora-kernel.git

btrfs: Don't BUG_ON errors from update_ref_for_cow()

__btrfs_cow_block(), the only caller of update_ref_for_cow() will BUG_ON()
any error return.  Instead, we can go read-only fs as update_ref_for_cow()
manipulates disk data in a way which doesn't look like it's easily rolled
back.

Signed-off-by: Mark Fasheh <mfasheh@suse.de>
---

Reading git-diff-tree failed