Update io engine comments
authorJens Axboe <jens.axboe@oracle.com>
Wed, 14 Mar 2007 09:59:33 +0000 (10:59 +0100)
committerJens Axboe <jens.axboe@oracle.com>
Wed, 14 Mar 2007 09:59:33 +0000 (10:59 +0100)
Some were plain wrong, mainly because they were born through
copying an existing engine.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

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