Btrfs: make sure reserve_metadata_bytes doesn't leak out strange errors
authorChris Mason <chris.mason@oracle.com>
Wed, 27 Jul 2011 19:57:44 +0000 (15:57 -0400)
committerChris Mason <chris.mason@oracle.com>
Wed, 27 Jul 2011 20:11:41 +0000 (16:11 -0400)
The btrfs transaction code will return any errors that come from
reserve_metadata_bytes.  We need to make sure we don't return funny
things like 1 or EAGAIN.

Signed-off-by: Chris Mason <chris.mason@oracle.com>

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