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loop: use BIO list management functions

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Now that the bio list management stuff is generic, convert loop to use
bio lists instead of its own private bio list implementation.

Cc:  Jens Axboe <axboe@kernel.dk>
Cc: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This commit is contained in:
Akinobu Mita 2009-04-17 08:41:21 +02:00 • committed by Jens Axboe
parent e93b9fb7d8
commit e686307fdc
3 changed files with 9 additions and 22 deletions
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2
include/linux/bio.h
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@ -506,7 +506,7 @@ static inline int bio_has_data(struct bio *bio)
}
/*
* BIO list managment for use by remapping drivers (e.g. DM or MD).
* BIO list management for use by remapping drivers (e.g. DM or MD) and loop.
*
* A bio_list anchors a singly-linked list of bios chained through the bi_next
* member of the bio. The bio_list also caches the last list member to allow