tree 9afdcd2ccbe2a72b7dadaf25f92a4a1ec109ecfe
parent b68dc2a93e794c8507338c91577a277efa4555d5
author Mark Fasheh <mfasheh@suse.com> 1314901677 -0700
committer David Sterba <dsterba@suse.cz> 1332377138 +0100

btrfs: Go readonly on tree errors in balance_level

balace_level() seems to deal with missing tree nodes by BUG_ON(). Instead,
we can easily just set the file system readonly and bubble -EROFS back up
the stack.

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