From fcd1f065daca593badb7f99d473639cf3b551795 Mon Sep 17 00:00:00 2001
From: David Sterba <dsterba@suse.cz>
Date: Tue, 6 Mar 2012 00:06:18 +0100
Subject: [PATCH] Btrfs: enhance superblock sanity checks

Validate checksum algorithm during mount and prevent BUG_ON later in
btrfs_super_csum_size.

Signed-off-by: David Sterba <dsterba@suse.cz>
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Reading git-format-patch failed