pjd 6058d96715 Fix md(4) panic which occurs when I/O request different than
BIO_READ/BIO_WRITE is sent to vnode-backed provider (BIO_DELETE or
BIO_FLUSH).

Reported by:	ceri

Add support for BIO_FLUSH to vnode-backed md(4) devices based on
VOP_FSYNC().
2006-11-01 18:56:18 +00:00
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