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(parent: 2da69c8) | patch
block: flush backing_hd in the right place
authorChristoph Hellwig <hch@lst.de>
Tue, 12 Jan 2010 12:49:23 +0000 (13:49 +0100)
committerAnthony Liguori <aliguori@us.ibm.com>
Wed, 13 Jan 2010 23:14:15 +0000 (17:14 -0600)
commit3f5075ae63b6dc1de9428d028a4d28fc98e7fdff
tree5c8fc9ec0ded501b335360a4d58be1478d8beabftree
parent2da69c8d122570832971ee4bb5b6b4395ec97280commit | diff
block: flush backing_hd in the right place

The backing device is only modified from bdrv_commit.  So instead of
flushing it every time bdrv_flush is called for the front-end device
only flush it after we're written data to it in bdrv_commit.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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