Btrfs: allow dup for data chunks in mixed mode
authorIlya Dryomov <idryomov@gmail.com>
Tue, 27 Mar 2012 14:09:17 +0000 (17:09 +0300)
committerIlya Dryomov <idryomov@gmail.com>
Tue, 27 Mar 2012 14:09:17 +0000 (17:09 +0300)
Generally we don't allow dup for data, but mixed chunks are special and
people seem to think this has its use cases.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>

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