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6 Commits

Author SHA1 Message Date
Kevin Wolf
787e4a8500 block: Add options QDict to bdrv_file_open() prototypes 
The new parameter is unused yet.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
 2013-03-22 17:51:31 +01:00
Markus Armbruster
312fd5f290 error: Strip trailing '\n' from error string arguments (again) 
Commit 6daf194d and be62a2eb got rid of a bunch, but they keep coming
back.  Tracked down with this Coccinelle semantic patch:

    @r@
	expression err, eno, cls, fmt;
	position p;
    @@
    (
	error_report(fmt, ...)@p
    |
	error_set(err, cls, fmt, ...)@p
    |
	error_set_errno(err, eno, cls, fmt, ...)@p
    |
	error_setg(err, fmt, ...)@p
    |
	error_setg_errno(err, eno, fmt, ...)@p
    )
    @script:python@
	fmt << r.fmt;
	p << r.p;
    @@
    if "\\n" in str(fmt):
	print "%s:%s:%s:%s" % (p[0].file, p[0].line, p[0].column, fmt)

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-id: 1360354939-10994-4-git-send-email-armbru@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
 2013-02-11 08:13:19 -06:00
Paolo Bonzini
1de7afc984 misc: move include files to include/qemu/ 
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
 2012-12-19 08:32:39 +01:00
Paolo Bonzini
737e150e89 block: move include files to include/block/ 
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
 2012-12-19 08:31:31 +01:00
Stefan Hajnoczi
d7331bed11 aio: rename AIOPool to AIOCBInfo 
Now that AIOPool no longer keeps a freelist, it isn't really a "pool"
anymore.  Rename it to AIOCBInfo and make it const since it no longer
needs to be modified.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
 2012-11-14 18:19:21 +01:00
Bharata B Rao
8d6d89cb63 block: Support GlusterFS as a QEMU block backend. 
This patch adds gluster as the new block backend in QEMU. This gives
QEMU the ability to boot VM images from gluster volumes. Its already
possible to boot from VM images on gluster volumes using FUSE mount, but
this patchset provides the ability to boot VM images from gluster volumes
by by-passing the FUSE layer in gluster. This is made possible by
using libgfapi routines to perform IO on gluster volumes directly.

VM Image on gluster volume is specified like this:

file=gluster[+transport]://[server[:port]]/volname/image[?socket=...]

'gluster' is the protocol.

'transport' specifies the transport type used to connect to gluster
management daemon (glusterd). Valid transport types are
tcp, unix and rdma. If a transport type isn't specified, then tcp
type is assumed.

'server' specifies the server where the volume file specification for
the given volume resides. This can be either hostname, ipv4 address
or ipv6 address. ipv6 address needs to be within square brackets [ ].
If transport type is 'unix', then 'server' field should not be specifed.
The 'socket' field needs to be populated with the path to unix domain
socket.

'port' is the port number on which glusterd is listening. This is optional
and if not specified, QEMU will send 0 which will make gluster to use the
default port. If the transport type is unix, then 'port' should not be
specified.

'volname' is the name of the gluster volume which contains the VM image.

'image' is the path to the actual VM image that resides on gluster volume.

Examples:

file=gluster://1.2.3.4/testvol/a.img
file=gluster+tcp://1.2.3.4/testvol/a.img
file=gluster+tcp://1.2.3.4:24007/testvol/dir/a.img
file=gluster+tcp://[1:2:3:4:5:6:7:8]/testvol/dir/a.img
file=gluster+tcp://[1:2:3:4:5:6:7:8]:24007/testvol/dir/a.img
file=gluster+tcp://server.domain.com:24007/testvol/dir/a.img
file=gluster+unix:///testvol/dir/a.img?socket=/tmp/glusterd.socket
file=gluster+rdma://1.2.3.4:24007/testvol/a.img

Signed-off-by: Bharata B Rao <bharata@linux.vnet.ibm.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
 2012-09-28 17:58:12 +02:00