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# Date Author Comment
dfe80b07 09/12/2011 04:17 pm Sage Weil

rbd: clean up, fix style

No assignment in condition. Remove duplicate ret > 0 check.

Signed-off-by: Sage Weil <>
Reviewed-by: Stefan Hajnoczi <>
Signed-off-by: Kevin Wolf <>
eb93d5d9 09/12/2011 04:17 pm Sage Weil

rbd: fix leak in qemu_rbd_open failure paths

Fix leak of s->snap in failure path. Simplify error paths for the whole
function.

Reported-by: Stefan Hajnoczi <>
Signed-off-by: Sage Weil <>
Reviewed-by: Stefan Hajnoczi <>...
7c7e9df0 09/12/2011 04:17 pm Sage Weil

rbd: allow client id to be specified in config string

Allow the client id to be specified in the config string via 'id=' so that
users can control who they authenticate as. Currently they are stuck with
the default ('admin'). This is necessary for anyone using authentication...
7267c094 08/21/2011 07:01 am Anthony Liguori

Use glib memory allocation and free functions

qemu_malloc/qemu_free no longer exist after this commit.

Signed-off-by: Anthony Liguori <>
7bf4162a 06/14/2011 11:01 am Stefan Weil

block/rbd: Remove unused local variable

Variable 'snap' is assigned a value that is never used.
Remove snap and the related code.

Cc: Christian Brunner <>
Cc: Josh Durgin <>
Cc: Kevin Wolf <>
Signed-off-by: Stefan Weil <>...
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 <>
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 <>...
f27aaf4b 12/14/2010 04:44 pm Christian Brunner

ceph/rbd block driver for qemu-kvm

RBD is an block driver for the distributed file system Ceph
(http://ceph.newdream.net/). This driver uses librados (which is part
of the Ceph server) for direct access to the Ceph object store and is
running entirely in userspace (Yehuda also wrote a driver for the...