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block: convert qcow2, qcow2, and vmdk to .bdrv_co_is_allocated()
authorStefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Mon, 14 Nov 2011 12:44:21 +0000 (12:44 +0000)
committerKevin Wolf <kwolf@redhat.com>
Mon, 5 Dec 2011 13:51:37 +0000 (14:51 +0100)
commitf8a2e5e3ca6146d4cc66a4750daf44a0cf043319
treee7d9806736d64a850f539a774b0ac00f8bd900dctree
parentb7d5a5b8ae5425a4dee69b043b1f334237b3b06acommit | diff
block: convert qcow2, qcow2, and vmdk to .bdrv_co_is_allocated()

The qcow2, qcow, and vmdk block drivers are based on coroutines.  They have a
coroutine mutex which protects internal state.  We can convert the
.bdrv_is_allocated() function to .bdrv_co_is_allocated() by holding the mutex
around the cluster lookup operation.

Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
block/qcow.c diff | blob | blame | history
block/qcow2.c diff | blob | blame | history
block/vmdk.c diff | blob | blame | history
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