# HG changeset patch
# User Daniel Stodden <daniel.stodden@xxxxxxxxxx>
# Date 1286322863 25200
# Node ID 139a2e4d59d852a41518b7b264f5ee115f24f795
# Parent e297f736579762983aec7d7072d72a3aa575825d
[mq]: CA-10471-iso-to-aio.diff
diff -r e297f7365797 -r 139a2e4d59d8 ocaml/xenops/device.ml
--- a/ocaml/xenops/device.ml Tue Oct 05 16:44:26 2010 -0700
+++ b/ocaml/xenops/device.ml Tue Oct 05 16:54:23 2010 -0700
@@ -475,8 +475,7 @@
let request_path = backend_pause_request_path_of_device ~xs x in
try ignore(xs.Xs.read request_path); true with Xb.Noent -> false
-(* Add the VBD to the domain, taking care of allocating any resources
(specifically
- loopback mounts). When this command returns, the device is ready. (This
isn't as
+(* Add the VBD to the domain, When this command returns, the device is ready.
(This isn't as
concurrent as xend-- xend allocates loopdevices via hotplug in parallel and
then
performs a 'waitForDevices') *)
let add ~xs ~hvm ~mode ~virtpath ~phystype ~physpath ~dev_type ~unpluggable
@@ -494,8 +493,7 @@
1. qemu accesses devices images itself and so needs the path of the
original
file (in params)
2. when windows PV drivers initialise, the new blockfront connects
to the
- up-til-now idle blockback and this requires the loop-device, in
the file
- case
+ up-til-now idle blockback.
3. when the VM is fully PV, Ioemu devices do not work; all devices
must be PV
4. in the future an HVM guest might support a mixture of both
*)
@@ -505,16 +503,6 @@
List.iter (fun (k, v) -> Hashtbl.add back_tbl k v) keys
| None -> ());
- begin match phystype with
- | File ->
- if not(hvm) then begin
- let loopdev = Hotplug.mount_loopdev ~xs device physpath (mode =
ReadOnly) in
- Hashtbl.add back_tbl "physical-device" (string_of_major_minor
loopdev);
- Hashtbl.add back_tbl "loop-device" loopdev
- end
- | Phys | Qcow | Vhd | Aio ->
- Hashtbl.add back_tbl "physical-device" (string_of_major_minor
physpath)
- end;
Hashtbl.add_list front_tbl [
"backend-id", string_of_int backend_domid;
@@ -523,6 +511,7 @@
"device-type", if dev_type = CDROM then "cdrom" else "disk";
];
Hashtbl.add_list back_tbl [
+ "physical-device", (string_of_major_minor physpath);
"frontend-id", sprintf "%u" domid;
(* Prevents the backend hotplug scripts from running if the
frontend disconnects.
This allows the xenbus connection to re-establish itself *)
ocaml/xenops/device.ml | 17 +++--------------
1 files changed, 3 insertions(+), 14 deletions(-)
# HG changeset patch
# User Daniel Stodden <daniel.stodden@xxxxxxxxxx>
# Date 1286322863 25200
# Node ID 139a2e4d59d852a41518b7b264f5ee115f24f795
# Parent e297f736579762983aec7d7072d72a3aa575825d
[mq]: CA-10471-iso-to-aio.diff
diff -r e297f7365797 -r 139a2e4d59d8 ocaml/xenops/device.ml
--- a/ocaml/xenops/device.ml Tue Oct 05 16:44:26 2010 -0700
+++ b/ocaml/xenops/device.ml Tue Oct 05 16:54:23 2010 -0700
@@ -475,8 +475,7 @@
let request_path = backend_pause_request_path_of_device ~xs x in
try ignore(xs.Xs.read request_path); true with Xb.Noent -> false
-(* Add the VBD to the domain, taking care of allocating any resources
(specifically
- loopback mounts). When this command returns, the device is ready. (This
isn't as
+(* Add the VBD to the domain, When this command returns, the device is ready.
(This isn't as
concurrent as xend-- xend allocates loopdevices via hotplug in parallel and
then
performs a 'waitForDevices') *)
let add ~xs ~hvm ~mode ~virtpath ~phystype ~physpath ~dev_type ~unpluggable
@@ -494,8 +493,7 @@
1. qemu accesses devices images itself and so needs the path of the
original
file (in params)
2. when windows PV drivers initialise, the new blockfront connects
to the
- up-til-now idle blockback and this requires the loop-device, in
the file
- case
+ up-til-now idle blockback.
3. when the VM is fully PV, Ioemu devices do not work; all devices
must be PV
4. in the future an HVM guest might support a mixture of both
*)
@@ -505,16 +503,6 @@
List.iter (fun (k, v) -> Hashtbl.add back_tbl k v) keys
| None -> ());
- begin match phystype with
- | File ->
- if not(hvm) then begin
- let loopdev = Hotplug.mount_loopdev ~xs device physpath (mode =
ReadOnly) in
- Hashtbl.add back_tbl "physical-device" (string_of_major_minor
loopdev);
- Hashtbl.add back_tbl "loop-device" loopdev
- end
- | Phys | Qcow | Vhd | Aio ->
- Hashtbl.add back_tbl "physical-device" (string_of_major_minor
physpath)
- end;
Hashtbl.add_list front_tbl [
"backend-id", string_of_int backend_domid;
@@ -523,6 +511,7 @@
"device-type", if dev_type = CDROM then "cdrom" else "disk";
];
Hashtbl.add_list back_tbl [
+ "physical-device", (string_of_major_minor physpath);
"frontend-id", sprintf "%u" domid;
(* Prevents the backend hotplug scripts from running if the
frontend disconnects.
This allows the xenbus connection to re-establish itself *)
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