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root / block @ e304e8e5

Name Size
Makefile.objs 854 Bytes
blkdebug.c 17.3 kB
blkverify.c 11.7 kB
bochs.c 7.1 kB
cloop.c 5.9 kB
commit.c 7.3 kB
cow.c 9.5 kB
curl.c 18.5 kB
dmg.c 10.3 kB
gluster.c 17.8 kB
iscsi.c 35.2 kB
linux-aio.c 5.5 kB
mirror.c 18.7 kB
nbd.c 18.7 kB
parallels.c 4.8 kB
qcow.c 27.8 kB
qcow2-cache.c 7.8 kB
qcow2-cluster.c 43.2 kB
qcow2-refcount.c 41.3 kB
qcow2-snapshot.c 18.6 kB
qcow2.c 52.5 kB
qcow2.h 12.2 kB
qed-check.c 6.5 kB
qed-cluster.c 5.1 kB
qed-gencb.c 688 Bytes
qed-l2-cache.c 5.9 kB
qed-table.c 8.4 kB
qed.c 46 kB
qed.h 10.8 kB
raw-aio.h 1.6 kB
raw-posix.c 49.7 kB
raw-win32.c 16.6 kB
raw.c 3.9 kB
rbd.c 26.2 kB
sheepdog.c 64.1 kB
ssh.c 28.7 kB
stream.c 6.7 kB
vdi.c 24.7 kB
vhdx.c 30.4 kB
vhdx.h 14.8 kB
vmdk.c 50.8 kB
vpc.c 23.3 kB
vvfat.c 84.5 kB
win32-aio.c 5.9 kB

Latest revisions

# Date Author Comment
e304e8e5 05/03/2013 11:33 am Fam Zheng

vmdk: store fields of VmdkMetaData in cpu endian

Previously VmdkMetaData.offset is stored little endian while other
fields are cpu endian. This changes offset to cpu endian and convert
before writing to image.
Signed-off-by: Fam Zheng <>
Signed-off-by: Stefan Hajnoczi <>
95b0aa42 05/03/2013 11:33 am Fam Zheng

vmdk: change magic number to macro

Two hard coded flag bits are changed to macros.
Signed-off-by: Fam Zheng <>
Signed-off-by: Stefan Hajnoczi <>
69e0b6df 05/03/2013 11:33 am Fam Zheng

vmdk: Add option to create zeroed-grain image

Add image create option "zeroed-grain" to enable zeroed-grain GTE
feature of vmdk sparse extents. When this option is on, header version
of newly created extent will be 2 and VMDK4_FLAG_ZERO_GRAIN flag bit
will be set....
14ead646 05/03/2013 11:33 am Fam Zheng

vmdk: add support for “zeroed‐grain” GTE

Introduced support for zeroed-grain GTE, as specified in Virtual Disk
Format 5.01.

Recent VMware hosted platform products support a new “zeroed‐grain”
    grain table entry (GTE). The zeroed‐grain GTE returns all zeros on...
65f74725 05/03/2013 11:33 am Fam Zheng

vmdk: named return code.

Internal routines in vmdk.c previously return -1 on error and 0 on
success. More return values are useful for future changes such as
zeroed-grain GTE. Change all the magic `return 0` and `return -1` to
macro names:

  • VMDK_OK 0...
203cdba3 05/03/2013 11:31 am Jeff Cody

block: vhdx header for the QEMU support of VHDX images

This is based on Microsoft's VHDX specification:
"VHDX Format Specification v0.95", published 4/12/2012
https://www.microsoft.com/en-us/download/details.aspx?id=29681

These structures define the various header, metadata, and other...
e8d4e5ff 05/03/2013 11:31 am Jeff Cody

block: initial VHDX driver support framework - supports open and probe

This is the initial block driver framework for VHDX image support
(i.e. Hyper-V image file formats), that supports opening VHDX files, and
parsing the headers.

This commit does not yet enable:...
059e2fbb 05/03/2013 11:31 am Jeff Cody

block: add read-only support to VHDX image format.

This adds in read-only support to the VHDX image format. This supports
reads for fixed-size, and dynamic sized VHDX images.

Differencing files are still unsupported.

The image must be opened without BDRV_O_RDWR set, because we do not...
859e5553 04/26/2013 02:37 pm Liu Yuan

sheepdog: fix loadvm operation

Currently the 'loadvm' opertaion works as following:
1. switch to the snapshot
2. mark current working VDI as a snapshot
3. rely on sd_create_branch to create a new working VDI based on the snapshot

This works not the same as other format as QCOW2. For e.g,...
13c31de2 04/26/2013 02:26 pm MORITA Kazutaka

sheepdog: resend write requests when SD_RES_READONLY is received

When a snapshot is taken from out side of qemu (e.g. qemu-img
snapshot), write requests to the current vdi return SD_RES_READONLY.
In this case, the sheepdog block driver needs to update the current...

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