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qcow2: Support BDRV_REQ_MAY_UNMAP
authorFam Zheng <[email protected]>
Wed, 28 Sep 2016 07:04:21 +0000 (15:04 +0800)
committerKevin Wolf <[email protected]>
Mon, 24 Oct 2016 15:54:03 +0000 (17:54 +0200)
commit170f4b2e5cf43895399f57ca4287f26c713be654
tree2d944a6be32df15e1cd137cc443f200602ae4aa7tree | snapshot
parente84a0dd5a75d8e89bec05fac432941988191df32commit | diff
qcow2: Support BDRV_REQ_MAY_UNMAP

Handling this is similar to what is done to the L2 entry in the case of
compressed clusters.

Signed-off-by: Fam Zheng <[email protected]>
Signed-off-by: Kevin Wolf <[email protected]>
block/qcow2-cluster.c diff | blob | blame | history
block/qcow2.c diff | blob | blame | history
block/qcow2.h diff | blob | blame | history
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