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root / block @ c25f53b0

Name Size
Makefile.objs 967 Bytes
backup.c 11.9 kB
blkdebug.c 19 kB
blkverify.c 11.8 kB
bochs.c 7.1 kB
cloop.c 5.9 kB
commit.c 7.1 kB
cow.c 12.1 kB
curl.c 19.9 kB
dmg.c 10.4 kB
gluster.c 19.5 kB
iscsi.c 41.3 kB
linux-aio.c 5.2 kB
mirror.c 22.1 kB
nbd-client.c 11 kB
nbd-client.h 1.4 kB
nbd.c 10.4 kB
parallels.c 4.9 kB
qapi.c 20.1 kB
qcow.c 28.4 kB
qcow2-cache.c 8.6 kB
qcow2-cluster.c 54.1 kB
qcow2-refcount.c 58.6 kB
qcow2-snapshot.c 21.1 kB
qcow2.c 70.8 kB
qcow2.h 16.4 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 47.2 kB
qed.h 10.8 kB
raw-aio.h 1.6 kB
raw-posix.c 58.2 kB
raw-win32.c 18.8 kB
raw_bsd.c 6.1 kB
rbd.c 24.3 kB
sheepdog.c 69.5 kB
snapshot.c 10.7 kB
ssh.c 29.1 kB
stream.c 7 kB
vdi.c 25.2 kB
vhdx-endian.c 5.2 kB
vhdx-log.c 28.9 kB
vhdx.c 62.5 kB
vhdx.h 19.1 kB
vmdk.c 61 kB
vpc.c 24.7 kB
vvfat.c 84.9 kB
win32-aio.c 5.7 kB

Latest revisions

# Date Author Comment
c25f53b0 01/24/2014 06:40 pm Paolo Bonzini

raw: Probe required direct I/O alignment

Add a bs->request_alignment field that contains the required
offset/length alignment for I/O requests and fill it in the raw block
drivers. Use ioctls if possible, else see what alignment it takes for
O_DIRECT to succeed....
d34682cd 01/24/2014 06:40 pm Kevin Wolf

block: Move initialisation of BlockLimits to bdrv_refresh_limits()

This function separates filling the BlockLimits from bdrv_open(), which
allows it to call it from other operations which may change the limits
(e.g. modifications to the backing file chain or bdrv_reopen)...
355ef4ac 01/24/2014 06:40 pm Kevin Wolf

block: Update BlockLimits when they might have changed

When reopening with different flags, or when backing files disappear
from the chain, the limits may change. Make sure they get updated in
these cases.

Signed-off-by: Kevin Wolf <>
Reviewed-by: Wenchao Xia <>...
4da83585 01/24/2014 05:12 pm Jeff Cody

block: resize backing image during active layer commit, if needed

If the top image to commit is the active layer, and also larger than
the base image, then an I/O error will likely be returned during
block-commit.

For instance, if we have a base image with a virtual size 10G, and a...
c13163fb 01/24/2014 05:07 pm Benoît Canet

qmp: Add QMP query-named-block-nodes to list the named BlockDriverState nodes.

Signed-off-by: Benoit Canet <>
Reviewed-by: Fam Zheng <>
Signed-off-by: Kevin Wolf <>
212a5a8f 01/24/2014 05:07 pm Benoît Canet

block: Create authorizations mechanism for external snapshot and resize.

Signed-off-by: Benoit Canet <>
Signed-off-by: Kevin Wolf <>
031fd1be 01/24/2014 05:07 pm Peter Maydell

block/curl: Implement the libcurl timer callback interface

libcurl versions 7.16.0 and later have a timer callback interface which
must be implemented in order for libcurl to make forward progress (it
will sometimes rely on being called back on the timeout if there are...
c8059b97 01/24/2014 03:33 pm Fam Zheng

qapi: Add "backing" to BlockStats

Currently there is no way to query BlockStats of the backing chain. This
adds "backing" field into BlockStats to make it possible.

The comment of "parent" is reworded.

Signed-off-by: Fam Zheng <>
Reviewed-by: Benoit Canet <>...
6df3bf8e 01/24/2014 03:33 pm Zhang Min

drive mirror:fix memory leak

In the function mirror_iteration() > qemu_iovec_init(),
it allocates memory for op>qiov.iov, when the write request calls back,
but in the function mirror_iteration_done(), it only frees the op,
not free the op->qiov.iov, so this causes memory leak....
d8a7b061 01/24/2014 03:33 pm Fam Zheng

vmdk: Fix format specific information (create type) for streamOptimized

Previously the field is wrong:

$ ./qemu-img create -f vmdk -o subformat=streamOptimized /tmp/a.vmdk 1G
$ ./qemu-img info /tmp/a.vmdk
    image: /tmp/a.vmdk
    file format: vmdk...

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