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cloud-hypervisor/block/src
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Yu Li 5ffc6d6107 block: qcow: initialize qcow clusters off the backing file when present 
This preserves any data that the backing file had on a cluster when
doing a write to a subset of that cluster. These writes cause a
performance penalty on creating new clusters if a backing file is
present.

This commit is based on crosvm implementation:
5ad3bc3459

Signed-off-by: Yu Li <liyu.yukiteru@bytedance.com>
2023-07-19 13:52:43 +01:00
..
qcow block: qcow: initialize qcow clusters off the backing file when present 2023-07-19 13:52:43 +01:00
vhdx block: introduce trait BlockBackend for block types 2023-07-19 13:52:43 +01:00
async_io.rs block: merge qcow, vhdx and block_util into block crate 2023-07-19 13:52:43 +01:00
fixed_vhd_async.rs block: introduce trait BlockBackend for block types 2023-07-19 13:52:43 +01:00
fixed_vhd_sync.rs block: introduce trait BlockBackend for block types 2023-07-19 13:52:43 +01:00
fixed_vhd.rs block: introduce trait BlockBackend for block types 2023-07-19 13:52:43 +01:00
lib.rs block: introduce trait BlockBackend for block types 2023-07-19 13:52:43 +01:00
qcow_sync.rs block: merge qcow, vhdx and block_util into block crate 2023-07-19 13:52:43 +01:00
raw_async.rs block: merge qcow, vhdx and block_util into block crate 2023-07-19 13:52:43 +01:00
raw_sync.rs block: merge qcow, vhdx and block_util into block crate 2023-07-19 13:52:43 +01:00
vhd.rs block: merge qcow, vhdx and block_util into block crate 2023-07-19 13:52:43 +01:00
vhdx_sync.rs block: merge qcow, vhdx and block_util into block crate 2023-07-19 13:52:43 +01:00