block: move bio list helpers into bio.h
authorChristoph Hellwig <hch@lst.de>
Tue, 7 Apr 2009 17:55:13 +0000 (19:55 +0200)
committerJens Axboe <jens.axboe@oracle.com>
Wed, 15 Apr 2009 06:28:09 +0000 (08:28 +0200)
It's used by DM and MD and generally useful, so move the bio list
helpers into bio.h.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Alasdair G Kergon <agk@redhat.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

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