Added support for zeroed-grain GTE to VMDK according to VMDK Spec 5.0[1].
[1] Virtual Disk Format 5.0 - VMware,
http://www.vmware.com/support/developer/vddk/vmdk_50_technote.pdf?src=vmdk
Changes since v4:
- 6/6: Correct endianess: *m_data->l2_cache_entry = offset;
Changes since v3:
- 5/6: Remove tmp
- 6/6: Update L2 Cache
Remove redundant assignment to m_data
Simplify l2_offset assignment to m_data
Fix m_data.offset endian.
Changes since v2:
- all: Added 5/6 (vmdk: store fields of VmdkMetaData in cpu endian)
- 6/6: Avoid side-effect of vmdk_L2update.
Change function comment to gtkdoc stype.
Fix VMDK4_FLAG_ZG.
Changes since v1:
- all: fix From: field
- 1/5: squash one line of ret code macro change from 2/5
- 2/5: change VMDK4_FLAG_ZG to VMDK4_FLAG_ZERO_GRAIN
- 3/5: move BLOCK_OPT_ZEROED_GRAIN defination from block_int.h to vmdk.c
- 5/5: fix metadata update issue, unit test with cases 033 034
Fam Zheng (6):
vmdk: named return code.
vmdk: add support for “zeroed‐grain” GTE
vmdk: Add option to create zeroed-grain image
vmdk: change magic number to macro
vmdk: store fields of VmdkMetaData in cpu endian
vmdk: add bdrv_co_write_zeroes
block/vmdk.c | 208 +++++++++++++++++++++++++++++++++++++++++------------------
1 file changed, 145 insertions(+), 63 deletions(-)
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1.8.1.4
