xen-blkback: make the queue of free requests per backend

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Remove the last dependency from blkbk by moving the list of free
requests to blkif. This change reduces the contention on the list of
available requests.

Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: xen-devel@lists.xen.org
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

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Roger Pau Monne 2013-04-17 20:18:59 +02:00 • committed by Konrad Rzeszutek Wilk

parent bb6acb289f

commit bf0720c48c

3 changed files with 74 additions and 105 deletions

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123

drivers/block/xen-blkback/blkback.c

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30

drivers/block/xen-blkback/common.h

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26

drivers/block/xen-blkback/xenbus.c

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