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[Qemu-devel] [PATCH v2 0/2] block: fix BDRV_O_SNAPSHOT with protocols
From: |
Stefan Hajnoczi |
Subject: |
[Qemu-devel] [PATCH v2 0/2] block: fix BDRV_O_SNAPSHOT with protocols |
Date: |
Mon, 18 Mar 2013 17:58:52 +0100 |
Richard Jones <address@hidden> reported that BDRV_O_SNAPSHOT does not work
with NBD:
/usr/bin/qemu-system-x86_64 \
[...]
-device virtio-scsi-pci,id=scsi \
-drive file=nbd:localhost:61930,snapshot=on,format=raw,id=hd0,if=none \
-device scsi-hd,drive=hd0 \
[...]
gives the error:
qemu-system-x86_64: -drive
file=nbd:localhost:61930,snapshot=on,format=raw,id=hd0,if=none: could not open
disk image nbd:localhost:61930: No such file or directory
This series fixes the issue and adds a regression test, qemu-iotests 052. Run
the test like this:
$ QEMU_PROG=... PATH=... ./check -nbd 052
If Patch 1 is not applied, the test case fails. Note that the test case is
also useful with -raw or other formats.
v2:
* Rebased onto latest qemu.git/master
Stefan Hajnoczi (2):
block: fix BDRV_O_SNAPSHOT protocol detection
qemu-iotests: add 052 BDRV_O_SNAPSHOT test
block.c | 6 +----
tests/qemu-iotests/052 | 61 ++++++++++++++++++++++++++++++++++++++++++++++
tests/qemu-iotests/052.out | 13 ++++++++++
tests/qemu-iotests/group | 1 +
4 files changed, 76 insertions(+), 5 deletions(-)
create mode 100755 tests/qemu-iotests/052
create mode 100644 tests/qemu-iotests/052.out
--
1.8.1.4
- [Qemu-devel] [PATCH v2 0/2] block: fix BDRV_O_SNAPSHOT with protocols,
Stefan Hajnoczi <=