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authorChris Mason <chris.mason@oracle.com>2011-11-06 18:50:56 -0500
committerChris Mason <chris.mason@oracle.com>2011-11-06 18:50:56 -0500
commit7c7e82a77fe3d89ae50824aa7c897454675eb4c4 (patch)
treede7ac71aa9fa00d3ce2b1849c97733f37799900c /drivers/xen
parentd43317dcd074818d4bd12ddd4184a29aff98907b (diff)
downloadop-kernel-dev-7c7e82a77fe3d89ae50824aa7c897454675eb4c4.zip
op-kernel-dev-7c7e82a77fe3d89ae50824aa7c897454675eb4c4.tar.gz
Btrfs: check for a null fs root when writing to the backup root log
During log replay, can commit the transaction before the fs_root pointers are setup, so we have to make sure they are not null before trying to use them. Signed-off-by: Chris Mason <chris.mason@oracle.com>
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