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root / block @ 30cdc48c

Name Size
blkdebug.c 12.8 kB
blkverify.c 10.5 kB
bochs.c 6.6 kB
cloop.c 4.9 kB
cow.c 8.6 kB
curl.c 14.8 kB
dmg.c 8.3 kB
nbd.c 6.9 kB
parallels.c 4.4 kB
qcow.c 30 kB
qcow2-cache.c 7.3 kB
qcow2-cluster.c 27.8 kB
qcow2-refcount.c 37.8 kB
qcow2-snapshot.c 13.3 kB
qcow2.c 40.4 kB
qcow2.h 7.8 kB
qed-check.c 5.4 kB
qed-cluster.c 5.1 kB
qed-gencb.c 694 Bytes
qed-l2-cache.c 5.4 kB
qed-table.c 8.9 kB
qed.c 43.4 kB
qed.h 10.6 kB
raw-posix-aio.h 1.3 kB
raw-posix.c 38.9 kB
raw-win32.c 11.2 kB
raw.c 3.9 kB
rbd.c 20.4 kB
sheepdog.c 51.5 kB
vdi.c 29.3 kB
vmdk.c 25.6 kB
vpc.c 18 kB
vvfat.c 80.6 kB

Latest revisions

# Date Author Comment
fab5cf59 06/08/2011 12:56 pm Josh Durgin

rbd: allow configuration of rados from the rbd filename

The new format is rbd:pool/image[@snapshot][:option1=value1[:option2=value2...]]
Each option is used to configure rados, and may be any Ceph option, or "conf".
The "conf" option specifies a Ceph configuration file to read....
51a13528 06/08/2011 12:56 pm Josh Durgin

rbd: check return values when scheduling aio

If scheduling fails, the number of outstanding I/Os must be correct,
or there will be a hang when waiting for everything to be flushed.

Reviewed-by: Christian Brunner <>
Reported-by: Stefan Hajnoczi <>...
30cdc48c 06/08/2011 12:56 pm Josh Durgin

rbd: Add bdrv_truncate implementation

Reviewed-by: Christian Brunner <>
Signed-off-by: Josh Durgin <>
Signed-off-by: Kevin Wolf <>
d1f6fd8d 06/08/2011 12:56 pm Christoph Egger

block/raw-posix: get right partition size

use the correct way to get the size of a disk device or partition

From: Adam Hamsik <>
Signed-off-by: Christoph Egger <>
Signed-off-by: Kevin Wolf <>
ad32e9c0 06/08/2011 12:56 pm Josh Durgin

rbd: use the higher level librbd instead of just librados

librbd stacks on top of librados to provide access
to rbd images.

Using librbd simplifies the qemu code, and allows
qemu to use new versions of the rbd format
with few (if any) changes.

Reviewed-by: Christian Brunner <>...
a6599793 06/08/2011 11:39 am Christoph Hellwig

block: clarify the meaning of BDRV_O_NOCACHE

Change BDRV_O_NOCACHE to only imply bypassing the host OS file cache,
but no writeback semantics. All existing callers are changed to also
specify BDRV_O_CACHE_WB to give them writeback semantics.

Signed-off-by: Christoph Hellwig <>...
16372ff0 06/08/2011 11:39 am Alexander Graf

vmdk: fix endianness bugs

The vmdk code is sloppy when handling the header descriptor during
creation of an image. Fix all header accesses in the create path to
either store native endianness or convert it when appropriate.

Reported-by: Yury Tsarev <>...
1de1ae0a 06/08/2011 11:39 am Christoph Egger

block/raw-posix: use a character device if a block device is given

On NetBSD a userland process is better with the character device
interface. In addition, a block device can't be opened twice; if a Xen
backend opens it, qemu can't and vice-versa.

Signed-off-by: Christoph Egger <>...
77a5a000 05/18/2011 03:39 pm Stefan Hajnoczi

qed: support for growing images

The .bdrv_truncate() operation resizes images and growing is easy to
implement in QED. Simply check that the new size is valid and then
update the image_size header field to reflect the new size.

Signed-off-by: Stefan Hajnoczi <>...
6f321e93 05/18/2011 03:38 pm Stefan Hajnoczi

qed: Periodically flush and clear need check bit

One strategy to limit the startup delay of consistency check when
opening image files is to ensure that the file is marked dirty for as
little time as possible.

QED currently marks the image dirty when the first allocating write...

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