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root / include / block @ ca91b15f

Name Size
aes.h 717 Bytes
aio.h 7.5 kB
block.h 18.3 kB
block_int.h 14.5 kB
blockjob.h 8.2 kB
coroutine.h 5.6 kB
coroutine_int.h 1.7 kB
nbd.h 3.3 kB
thread-pool.h 962 Bytes

Latest revisions

# Date Author Comment
9e8f1835 02/22/2013 10:29 pm Paolo Bonzini

block: implement BDRV_O_UNMAP

It is better to present homogeneous hardware independent of the storage
technology that is chosen on the host, hence we make discard a host
parameter; the user can choose whether to pass it down to the image
format and protocol, or to ignore it....
e6439d78 02/22/2013 10:21 pm Stefan Hajnoczi

qemu-img: add compressed clusters to BlockFragInfo

Show how many clusters are compressed. This can be used to monitor how
many compressed clusters remain and whether to recompress the image.

Suggested-by: Cole Robinson <>
Signed-off-by: Stefan Hajnoczi <>
b35b2bba 02/22/2013 10:21 pm Miroslav Rezanina

block: Add synchronous wrapper for bdrv_co_is_allocated_above

There's no synchronous wrapper for bdrv_co_is_allocated_above function
so it's not possible to check for sector allocation in an image with
a backing file.

Signed-off-by: Miroslav Rezanina <>...
f382d43a 02/22/2013 10:21 pm Miroslav Rezanina

qemu-img: Add "Quiet mode" option

There can be a need to turn output to stdout off. This patch adds a -q option
that enable "Quiet mode". In Quiet mode, only errors are printed out.

Signed-off-by: Miroslav Rezanina <>
Reviewed-by: Kevin Wolf <>...
c6bb9ad1 02/22/2013 10:21 pm Federico Simoncelli

qemu-img: find the image end offset during check

This patch adds the support for reporting the image end offset (in
bytes). This is particularly useful after a conversion (or a rebase)
where the destination is a block device in order to find the first
unused byte at the end of the image....
6b5f8762 02/22/2013 12:17 am Stefan Hajnoczi

aio: convert aio_poll() to g_poll(3)

AioHandler already has a GPollFD so we can directly use its
events/revents.

Add the int pollfds_idx field to AioContext so we can map g_poll(3)
results back to AioHandlers.

Reuse aio_dispatch() to invoke handlers after g_poll(3)....
7f2039f6 02/01/2013 03:58 pm Othmar Pasteka

vmdk: Allow selecting SCSI adapter in image creation

Introduce a new option "adapter_type" when converting to vmdk images.
It can be one of the following: ide (default), buslogic, lsilogic
or legacyESX (according to the vmdk spec from vmware).

In case of a non-ide adapter, heads is set to 255 instead of the 16....
50717e94 01/25/2013 07:18 pm Paolo Bonzini

block: allow customizing the granularity of the dirty bitmap

Reviewed-by: Eric Blake <>
Signed-off-by: Paolo Bonzini <>
Signed-off-by: Kevin Wolf <>
eee13dfe 01/25/2013 07:18 pm Paolo Bonzini

mirror: allow customizing the granularity

The desired granularity may be very different depending on the kind of
operation (e.g. continuous replication vs. collapse-to-raw) and whether
the VM is expected to perform lots of I/O while mirroring is in progress....
08e4ed6c 01/25/2013 07:18 pm Paolo Bonzini

mirror: add buf-size argument to drive-mirror

This makes sense when the next commit starts using the extra buffer space
to perform many I/O operations asynchronously.

Signed-off-by: Paolo Bonzini <>
Signed-off-by: Kevin Wolf <>

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