Merge remote-tracking branch 'mreitz/tags/pull-block-for-kevin-2015-11-11' into queue-block
Block patches from 2015-10-26 until 2015-11-11.
# gpg: Signature made Wed Nov 11 17:00:50 2015 CET using RSA key ID E838ACAD
# gpg: Good signature from "Max Reitz <mreitz@redhat.com>"
* mreitz/tags/pull-block-for-kevin-2015-11-11:
iotests: Check for quorum support in test 139
qcow2: Fix qcow2_get_cluster_offset() for zero clusters
iotests: Add tests for the x-blockdev-del command
block: Add 'x-blockdev-del' QMP command
block: Add blk_get_refcnt()
mirror: block all operations on the target image during the job
qemu-iotests: fix -valgrind option for check
qemu-iotests: fix cleanup of background processes
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
diff --git a/block/block-backend.c b/block/block-backend.c
index 1ac6982..6f9309f 100644
--- a/block/block-backend.c
+++ b/block/block-backend.c
@@ -189,6 +189,11 @@
g_free(dinfo);
}
+int blk_get_refcnt(BlockBackend *blk)
+{
+ return blk ? blk->refcnt : 0;
+}
+
/*
* Increment @blk's reference count.
* @blk must not be null.
diff --git a/block/mirror.c b/block/mirror.c
index b1252a1..60f1cb5 100644
--- a/block/mirror.c
+++ b/block/mirror.c
@@ -384,6 +384,7 @@
aio_context_release(replace_aio_context);
}
g_free(s->replaces);
+ bdrv_op_unblock_all(s->target, s->common.blocker);
bdrv_unref(s->target);
block_job_completed(&s->common, data->ret);
g_free(data);
@@ -744,6 +745,9 @@
block_job_release(bs);
return;
}
+
+ bdrv_op_block_all(s->target, s->common.blocker);
+
bdrv_set_enable_write_cache(s->target, true);
if (s->target->blk) {
blk_set_on_error(s->target->blk, on_target_error, on_target_error);
diff --git a/block/qcow2-cluster.c b/block/qcow2-cluster.c
index 67be0ce..24a60e2 100644
--- a/block/qcow2-cluster.c
+++ b/block/qcow2-cluster.c
@@ -312,7 +312,7 @@
if (!offset)
return 0;
- assert(qcow2_get_cluster_type(first_entry) != QCOW2_CLUSTER_COMPRESSED);
+ assert(qcow2_get_cluster_type(first_entry) == QCOW2_CLUSTER_NORMAL);
for (i = 0; i < nb_clusters; i++) {
uint64_t l2_entry = be64_to_cpu(l2_table[i]) & mask;
@@ -324,14 +324,16 @@
return i;
}
-static int count_contiguous_free_clusters(int nb_clusters, uint64_t *l2_table)
+static int count_contiguous_clusters_by_type(int nb_clusters,
+ uint64_t *l2_table,
+ int wanted_type)
{
int i;
for (i = 0; i < nb_clusters; i++) {
int type = qcow2_get_cluster_type(be64_to_cpu(l2_table[i]));
- if (type != QCOW2_CLUSTER_UNALLOCATED) {
+ if (type != wanted_type) {
break;
}
}
@@ -554,13 +556,14 @@
ret = -EIO;
goto fail;
}
- c = count_contiguous_clusters(nb_clusters, s->cluster_size,
- &l2_table[l2_index], QCOW_OFLAG_ZERO);
+ c = count_contiguous_clusters_by_type(nb_clusters, &l2_table[l2_index],
+ QCOW2_CLUSTER_ZERO);
*cluster_offset = 0;
break;
case QCOW2_CLUSTER_UNALLOCATED:
/* how many empty clusters ? */
- c = count_contiguous_free_clusters(nb_clusters, &l2_table[l2_index]);
+ c = count_contiguous_clusters_by_type(nb_clusters, &l2_table[l2_index],
+ QCOW2_CLUSTER_UNALLOCATED);
*cluster_offset = 0;
break;
case QCOW2_CLUSTER_NORMAL:
diff --git a/blockdev.c b/blockdev.c
index 3197791..8607df9 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -3479,6 +3479,72 @@
qmp_output_visitor_cleanup(ov);
}
+void qmp_x_blockdev_del(bool has_id, const char *id,
+ bool has_node_name, const char *node_name, Error **errp)
+{
+ AioContext *aio_context;
+ BlockBackend *blk;
+ BlockDriverState *bs;
+
+ if (has_id && has_node_name) {
+ error_setg(errp, "Only one of id and node-name must be specified");
+ return;
+ } else if (!has_id && !has_node_name) {
+ error_setg(errp, "No block device specified");
+ return;
+ }
+
+ if (has_id) {
+ blk = blk_by_name(id);
+ if (!blk) {
+ error_setg(errp, "Cannot find block backend %s", id);
+ return;
+ }
+ if (blk_get_refcnt(blk) > 1) {
+ error_setg(errp, "Block backend %s is in use", id);
+ return;
+ }
+ bs = blk_bs(blk);
+ aio_context = blk_get_aio_context(blk);
+ } else {
+ bs = bdrv_find_node(node_name);
+ if (!bs) {
+ error_setg(errp, "Cannot find node %s", node_name);
+ return;
+ }
+ blk = bs->blk;
+ if (blk) {
+ error_setg(errp, "Node %s is in use by %s",
+ node_name, blk_name(blk));
+ return;
+ }
+ aio_context = bdrv_get_aio_context(bs);
+ }
+
+ aio_context_acquire(aio_context);
+
+ if (bs) {
+ if (bdrv_op_is_blocked(bs, BLOCK_OP_TYPE_DRIVE_DEL, errp)) {
+ goto out;
+ }
+
+ if (bs->refcnt > 1 || !QLIST_EMPTY(&bs->parents)) {
+ error_setg(errp, "Block device %s is in use",
+ bdrv_get_device_or_node_name(bs));
+ goto out;
+ }
+ }
+
+ if (blk) {
+ blk_unref(blk);
+ } else {
+ bdrv_unref(bs);
+ }
+
+out:
+ aio_context_release(aio_context);
+}
+
BlockJobInfoList *qmp_query_block_jobs(Error **errp)
{
BlockJobInfoList *head = NULL, **p_next = &head;
diff --git a/include/sysemu/block-backend.h b/include/sysemu/block-backend.h
index 40e315b..f4a68e2 100644
--- a/include/sysemu/block-backend.h
+++ b/include/sysemu/block-backend.h
@@ -65,6 +65,7 @@
BlockBackend *blk_new_open(const char *name, const char *filename,
const char *reference, QDict *options, int flags,
Error **errp);
+int blk_get_refcnt(BlockBackend *blk);
void blk_ref(BlockBackend *blk);
void blk_unref(BlockBackend *blk);
const char *blk_name(BlockBackend *blk);
diff --git a/qapi/block-core.json b/qapi/block-core.json
index 083d2cd..470e86c 100644
--- a/qapi/block-core.json
+++ b/qapi/block-core.json
@@ -1895,8 +1895,8 @@
# level and no BlockBackend will be created.
#
# This command is still a work in progress. It doesn't support all
-# block drivers, it lacks a matching blockdev-del, and more. Stay
-# away from it unless you want to help with its development.
+# block drivers among other things. Stay away from it unless you want
+# to help with its development.
#
# @options: block device options for the new device
#
@@ -1905,6 +1905,34 @@
{ 'command': 'blockdev-add', 'data': { 'options': 'BlockdevOptions' } }
##
+# @x-blockdev-del:
+#
+# Deletes a block device that has been added using blockdev-add.
+# The selected device can be either a block backend or a graph node.
+#
+# In the former case the backend will be destroyed, along with its
+# inserted medium if there's any. The command will fail if the backend
+# or its medium are in use.
+#
+# In the latter case the node will be destroyed. The command will fail
+# if the node is attached to a block backend or is otherwise being
+# used.
+#
+# One of @id or @node-name must be specified, but not both.
+#
+# This command is still a work in progress and is considered
+# experimental. Stay away from it unless you want to help with its
+# development.
+#
+# @id: #optional Name of the block backend device to delete.
+#
+# @node-name: #optional Name of the graph node to delete.
+#
+# Since: 2.5
+##
+{ 'command': 'x-blockdev-del', 'data': { '*id': 'str', '*node-name': 'str' } }
+
+##
# @blockdev-open-tray:
#
# Opens a block device's tray. If there is a block driver state tree inserted as
diff --git a/qmp-commands.hx b/qmp-commands.hx
index 5fd6f9c..02c0c5b 100644
--- a/qmp-commands.hx
+++ b/qmp-commands.hx
@@ -3946,8 +3946,8 @@
Add a block device.
This command is still a work in progress. It doesn't support all
-block drivers, it lacks a matching blockdev-del, and more. Stay away
-from it unless you want to help with its development.
+block drivers among other things. Stay away from it unless you want
+to help with its development.
Arguments:
@@ -3993,6 +3993,63 @@
EQMP
{
+ .name = "x-blockdev-del",
+ .args_type = "id:s?,node-name:s?",
+ .mhandler.cmd_new = qmp_marshal_x_blockdev_del,
+ },
+
+SQMP
+x-blockdev-del
+------------
+Since 2.5
+
+Deletes a block device thas has been added using blockdev-add.
+The selected device can be either a block backend or a graph node.
+
+In the former case the backend will be destroyed, along with its
+inserted medium if there's any. The command will fail if the backend
+or its medium are in use.
+
+In the latter case the node will be destroyed. The command will fail
+if the node is attached to a block backend or is otherwise being
+used.
+
+One of "id" or "node-name" must be specified, but not both.
+
+This command is still a work in progress and is considered
+experimental. Stay away from it unless you want to help with its
+development.
+
+Arguments:
+
+- "id": Name of the block backend device to delete (json-string, optional)
+- "node-name": Name of the graph node to delete (json-string, optional)
+
+Example:
+
+-> { "execute": "blockdev-add",
+ "arguments": {
+ "options": {
+ "driver": "qcow2",
+ "id": "drive0",
+ "file": {
+ "driver": "file",
+ "filename": "test.qcow2"
+ }
+ }
+ }
+ }
+
+<- { "return": {} }
+
+-> { "execute": "x-blockdev-del",
+ "arguments": { "id": "drive0" }
+ }
+<- { "return": {} }
+
+EQMP
+
+ {
.name = "blockdev-open-tray",
.args_type = "device:s,force:b?",
.mhandler.cmd_new = qmp_marshal_blockdev_open_tray,
diff --git a/tests/qemu-iotests/039.out b/tests/qemu-iotests/039.out
index 03a31c5..32c8846 100644
--- a/tests/qemu-iotests/039.out
+++ b/tests/qemu-iotests/039.out
@@ -11,7 +11,11 @@
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728
wrote 512/512 bytes at offset 0
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
-./common.config: Killed ( exec "$QEMU_IO_PROG" $QEMU_IO_OPTIONS "$@" )
+./common.config: Killed ( if [ "${VALGRIND_QEMU}" == "y" ]; then
+ exec valgrind --log-file="${VALGRIND_LOGFILE}" --error-exitcode=99 "$QEMU_IO_PROG" $QEMU_IO_OPTIONS "$@";
+else
+ exec "$QEMU_IO_PROG" $QEMU_IO_OPTIONS "$@";
+fi )
incompatible_features 0x1
ERROR cluster 5 refcount=0 reference=1
ERROR OFLAG_COPIED data cluster: l2_entry=8000000000050000 refcount=0
@@ -46,7 +50,11 @@
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728
wrote 512/512 bytes at offset 0
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
-./common.config: Killed ( exec "$QEMU_IO_PROG" $QEMU_IO_OPTIONS "$@" )
+./common.config: Killed ( if [ "${VALGRIND_QEMU}" == "y" ]; then
+ exec valgrind --log-file="${VALGRIND_LOGFILE}" --error-exitcode=99 "$QEMU_IO_PROG" $QEMU_IO_OPTIONS "$@";
+else
+ exec "$QEMU_IO_PROG" $QEMU_IO_OPTIONS "$@";
+fi )
incompatible_features 0x1
ERROR cluster 5 refcount=0 reference=1
Rebuilding refcount structure
@@ -60,7 +68,11 @@
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728
wrote 512/512 bytes at offset 0
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
-./common.config: Killed ( exec "$QEMU_IO_PROG" $QEMU_IO_OPTIONS "$@" )
+./common.config: Killed ( if [ "${VALGRIND_QEMU}" == "y" ]; then
+ exec valgrind --log-file="${VALGRIND_LOGFILE}" --error-exitcode=99 "$QEMU_IO_PROG" $QEMU_IO_OPTIONS "$@";
+else
+ exec "$QEMU_IO_PROG" $QEMU_IO_OPTIONS "$@";
+fi )
incompatible_features 0x0
No errors were found on the image.
@@ -79,7 +91,11 @@
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728
wrote 512/512 bytes at offset 0
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
-./common.config: Killed ( exec "$QEMU_IO_PROG" $QEMU_IO_OPTIONS "$@" )
+./common.config: Killed ( if [ "${VALGRIND_QEMU}" == "y" ]; then
+ exec valgrind --log-file="${VALGRIND_LOGFILE}" --error-exitcode=99 "$QEMU_IO_PROG" $QEMU_IO_OPTIONS "$@";
+else
+ exec "$QEMU_IO_PROG" $QEMU_IO_OPTIONS "$@";
+fi )
incompatible_features 0x1
ERROR cluster 5 refcount=0 reference=1
ERROR OFLAG_COPIED data cluster: l2_entry=8000000000050000 refcount=0
@@ -89,7 +105,11 @@
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728
wrote 512/512 bytes at offset 0
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
-./common.config: Killed ( exec "$QEMU_IO_PROG" $QEMU_IO_OPTIONS "$@" )
+./common.config: Killed ( if [ "${VALGRIND_QEMU}" == "y" ]; then
+ exec valgrind --log-file="${VALGRIND_LOGFILE}" --error-exitcode=99 "$QEMU_IO_PROG" $QEMU_IO_OPTIONS "$@";
+else
+ exec "$QEMU_IO_PROG" $QEMU_IO_OPTIONS "$@";
+fi )
incompatible_features 0x0
No errors were found on the image.
*** done
diff --git a/tests/qemu-iotests/058 b/tests/qemu-iotests/058
index f2bdd0b..63a6598 100755
--- a/tests/qemu-iotests/058
+++ b/tests/qemu-iotests/058
@@ -32,11 +32,17 @@
nbd_unix_socket=$TEST_DIR/test_qemu_nbd_socket
nbd_snapshot_img="nbd:unix:$nbd_unix_socket"
+rm -f "${TEST_DIR}/qemu-nbd.pid"
_cleanup_nbd()
{
- if [ -n "$NBD_SNAPSHOT_PID" ]; then
- kill "$NBD_SNAPSHOT_PID"
+ local NBD_SNAPSHOT_PID
+ if [ -f "${TEST_DIR}/qemu-nbd.pid" ]; then
+ read NBD_SNAPSHOT_PID < "${TEST_DIR}/qemu-nbd.pid"
+ rm -f "${TEST_DIR}/qemu-nbd.pid"
+ if [ -n "$NBD_SNAPSHOT_PID" ]; then
+ kill "$NBD_SNAPSHOT_PID"
+ fi
fi
rm -f "$nbd_unix_socket"
}
@@ -60,7 +66,6 @@
{
_cleanup_nbd
$QEMU_NBD -v -t -k "$nbd_unix_socket" "$TEST_IMG" -l $1 &
- NBD_SNAPSHOT_PID=$!
_wait_for_nbd
}
@@ -68,7 +73,6 @@
{
_cleanup_nbd
$QEMU_NBD -v -t -k "$nbd_unix_socket" "$TEST_IMG" -l snapshot.name=$1 &
- NBD_SNAPSHOT_PID=$!
_wait_for_nbd
}
diff --git a/tests/qemu-iotests/061.out b/tests/qemu-iotests/061.out
index b16bea9..f2598a8 100644
--- a/tests/qemu-iotests/061.out
+++ b/tests/qemu-iotests/061.out
Binary files differ
diff --git a/tests/qemu-iotests/137.out b/tests/qemu-iotests/137.out
index cf55a41..88c702c 100644
--- a/tests/qemu-iotests/137.out
+++ b/tests/qemu-iotests/137.out
@@ -31,7 +31,11 @@
Unsupported value 'blubb' for qcow2 option 'overlap-check'. Allowed are any of the following: none, constant, cached, all
wrote 512/512 bytes at offset 0
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
-./common.config: Killed ( exec "$QEMU_IO_PROG" $QEMU_IO_OPTIONS "$@" )
+./common.config: Killed ( if [ "${VALGRIND_QEMU}" == "y" ]; then
+ exec valgrind --log-file="${VALGRIND_LOGFILE}" --error-exitcode=99 "$QEMU_IO_PROG" $QEMU_IO_OPTIONS "$@";
+else
+ exec "$QEMU_IO_PROG" $QEMU_IO_OPTIONS "$@";
+fi )
incompatible_features 0x0
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
wrote 65536/65536 bytes at offset 0
diff --git a/tests/qemu-iotests/139 b/tests/qemu-iotests/139
new file mode 100644
index 0000000..42f78c7
--- /dev/null
+++ b/tests/qemu-iotests/139
@@ -0,0 +1,416 @@
+#!/usr/bin/env python
+#
+# Test cases for the QMP 'x-blockdev-del' command
+#
+# Copyright (C) 2015 Igalia, S.L.
+# Author: Alberto Garcia <berto@igalia.com>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+
+import os
+import iotests
+import time
+
+base_img = os.path.join(iotests.test_dir, 'base.img')
+new_img = os.path.join(iotests.test_dir, 'new.img')
+
+class TestBlockdevDel(iotests.QMPTestCase):
+
+ def setUp(self):
+ iotests.qemu_img('create', '-f', iotests.imgfmt, base_img, '1M')
+ self.vm = iotests.VM()
+ self.vm.launch()
+
+ def tearDown(self):
+ self.vm.shutdown()
+ os.remove(base_img)
+ if os.path.isfile(new_img):
+ os.remove(new_img)
+
+ # Check whether a BlockBackend exists
+ def checkBlockBackend(self, backend, node, must_exist = True):
+ result = self.vm.qmp('query-block')
+ backends = filter(lambda x: x['device'] == backend, result['return'])
+ self.assertLessEqual(len(backends), 1)
+ self.assertEqual(must_exist, len(backends) == 1)
+ if must_exist:
+ if node:
+ self.assertEqual(backends[0]['inserted']['node-name'], node)
+ else:
+ self.assertFalse(backends[0].has_key('inserted'))
+
+ # Check whether a BlockDriverState exists
+ def checkBlockDriverState(self, node, must_exist = True):
+ result = self.vm.qmp('query-named-block-nodes')
+ nodes = filter(lambda x: x['node-name'] == node, result['return'])
+ self.assertLessEqual(len(nodes), 1)
+ self.assertEqual(must_exist, len(nodes) == 1)
+
+ # Add a new BlockBackend (with its attached BlockDriverState)
+ def addBlockBackend(self, backend, node):
+ file_node = '%s_file' % node
+ self.checkBlockBackend(backend, node, False)
+ self.checkBlockDriverState(node, False)
+ self.checkBlockDriverState(file_node, False)
+ opts = {'driver': iotests.imgfmt,
+ 'id': backend,
+ 'node-name': node,
+ 'file': {'driver': 'file',
+ 'node-name': file_node,
+ 'filename': base_img}}
+ result = self.vm.qmp('blockdev-add', conv_keys = False, options = opts)
+ self.assert_qmp(result, 'return', {})
+ self.checkBlockBackend(backend, node)
+ self.checkBlockDriverState(node)
+ self.checkBlockDriverState(file_node)
+
+ # Add a BlockDriverState without a BlockBackend
+ def addBlockDriverState(self, node):
+ file_node = '%s_file' % node
+ self.checkBlockDriverState(node, False)
+ self.checkBlockDriverState(file_node, False)
+ opts = {'driver': iotests.imgfmt,
+ 'node-name': node,
+ 'file': {'driver': 'file',
+ 'node-name': file_node,
+ 'filename': base_img}}
+ result = self.vm.qmp('blockdev-add', conv_keys = False, options = opts)
+ self.assert_qmp(result, 'return', {})
+ self.checkBlockDriverState(node)
+ self.checkBlockDriverState(file_node)
+
+ # Add a BlockDriverState that will be used as overlay for the base_img BDS
+ def addBlockDriverStateOverlay(self, node):
+ self.checkBlockDriverState(node, False)
+ iotests.qemu_img('create', '-f', iotests.imgfmt,
+ '-b', base_img, new_img, '1M')
+ opts = {'driver': iotests.imgfmt,
+ 'node-name': node,
+ 'backing': '',
+ 'file': {'driver': 'file',
+ 'filename': new_img}}
+ result = self.vm.qmp('blockdev-add', conv_keys = False, options = opts)
+ self.assert_qmp(result, 'return', {})
+ self.checkBlockDriverState(node)
+
+ # Delete a BlockBackend
+ def delBlockBackend(self, backend, node, expect_error = False,
+ destroys_media = True):
+ self.checkBlockBackend(backend, node)
+ if node:
+ self.checkBlockDriverState(node)
+ result = self.vm.qmp('x-blockdev-del', id = backend)
+ if expect_error:
+ self.assert_qmp(result, 'error/class', 'GenericError')
+ if node:
+ self.checkBlockDriverState(node)
+ else:
+ self.assert_qmp(result, 'return', {})
+ if node:
+ self.checkBlockDriverState(node, not destroys_media)
+ self.checkBlockBackend(backend, node, must_exist = expect_error)
+
+ # Delete a BlockDriverState
+ def delBlockDriverState(self, node, expect_error = False):
+ self.checkBlockDriverState(node)
+ result = self.vm.qmp('x-blockdev-del', node_name = node)
+ if expect_error:
+ self.assert_qmp(result, 'error/class', 'GenericError')
+ else:
+ self.assert_qmp(result, 'return', {})
+ self.checkBlockDriverState(node, expect_error)
+
+ # Add a device model
+ def addDeviceModel(self, device, backend):
+ result = self.vm.qmp('device_add', id = device,
+ driver = 'virtio-blk-pci', drive = backend)
+ self.assert_qmp(result, 'return', {})
+
+ # Delete a device model
+ def delDeviceModel(self, device):
+ result = self.vm.qmp('device_del', id = device)
+ self.assert_qmp(result, 'return', {})
+
+ result = self.vm.qmp('system_reset')
+ self.assert_qmp(result, 'return', {})
+
+ device_path = '/machine/peripheral/%s/virtio-backend' % device
+ event = self.vm.event_wait(name="DEVICE_DELETED",
+ match={'data': {'path': device_path}})
+ self.assertNotEqual(event, None)
+
+ event = self.vm.event_wait(name="DEVICE_DELETED",
+ match={'data': {'device': device}})
+ self.assertNotEqual(event, None)
+
+ # Remove a BlockDriverState
+ def ejectDrive(self, backend, node, expect_error = False,
+ destroys_media = True):
+ self.checkBlockBackend(backend, node)
+ self.checkBlockDriverState(node)
+ result = self.vm.qmp('eject', device = backend)
+ if expect_error:
+ self.assert_qmp(result, 'error/class', 'GenericError')
+ self.checkBlockDriverState(node)
+ self.checkBlockBackend(backend, node)
+ else:
+ self.assert_qmp(result, 'return', {})
+ self.checkBlockDriverState(node, not destroys_media)
+ self.checkBlockBackend(backend, None)
+
+ # Insert a BlockDriverState
+ def insertDrive(self, backend, node):
+ self.checkBlockBackend(backend, None)
+ self.checkBlockDriverState(node)
+ result = self.vm.qmp('blockdev-insert-medium',
+ device = backend, node_name = node)
+ self.assert_qmp(result, 'return', {})
+ self.checkBlockBackend(backend, node)
+ self.checkBlockDriverState(node)
+
+ # Create a snapshot using 'blockdev-snapshot-sync'
+ def createSnapshotSync(self, node, overlay):
+ self.checkBlockDriverState(node)
+ self.checkBlockDriverState(overlay, False)
+ opts = {'node-name': node,
+ 'snapshot-file': new_img,
+ 'snapshot-node-name': overlay,
+ 'format': iotests.imgfmt}
+ result = self.vm.qmp('blockdev-snapshot-sync', conv_keys=False, **opts)
+ self.assert_qmp(result, 'return', {})
+ self.checkBlockDriverState(node)
+ self.checkBlockDriverState(overlay)
+
+ # Create a snapshot using 'blockdev-snapshot'
+ def createSnapshot(self, node, overlay):
+ self.checkBlockDriverState(node)
+ self.checkBlockDriverState(overlay)
+ result = self.vm.qmp('blockdev-snapshot',
+ node = node, overlay = overlay)
+ self.assert_qmp(result, 'return', {})
+ self.checkBlockDriverState(node)
+ self.checkBlockDriverState(overlay)
+
+ # Create a mirror
+ def createMirror(self, backend, node, new_node):
+ self.checkBlockBackend(backend, node)
+ self.checkBlockDriverState(new_node, False)
+ opts = {'device': backend,
+ 'target': new_img,
+ 'node-name': new_node,
+ 'sync': 'top',
+ 'format': iotests.imgfmt}
+ result = self.vm.qmp('drive-mirror', conv_keys=False, **opts)
+ self.assert_qmp(result, 'return', {})
+ self.checkBlockBackend(backend, node)
+ self.checkBlockDriverState(new_node)
+
+ # Complete an existing block job
+ def completeBlockJob(self, backend, node_before, node_after):
+ self.checkBlockBackend(backend, node_before)
+ result = self.vm.qmp('block-job-complete', device=backend)
+ self.assert_qmp(result, 'return', {})
+ self.wait_until_completed(backend)
+ self.checkBlockBackend(backend, node_after)
+
+ # Add a BlkDebug node
+ # Note that the purpose of this is to test the x-blockdev-del
+ # sanity checks, not to create a usable blkdebug drive
+ def addBlkDebug(self, debug, node):
+ self.checkBlockDriverState(node, False)
+ self.checkBlockDriverState(debug, False)
+ image = {'driver': iotests.imgfmt,
+ 'node-name': node,
+ 'file': {'driver': 'file',
+ 'filename': base_img}}
+ opts = {'driver': 'blkdebug',
+ 'node-name': debug,
+ 'image': image}
+ result = self.vm.qmp('blockdev-add', conv_keys = False, options = opts)
+ self.assert_qmp(result, 'return', {})
+ self.checkBlockDriverState(node)
+ self.checkBlockDriverState(debug)
+
+ # Add a BlkVerify node
+ # Note that the purpose of this is to test the x-blockdev-del
+ # sanity checks, not to create a usable blkverify drive
+ def addBlkVerify(self, blkverify, test, raw):
+ self.checkBlockDriverState(test, False)
+ self.checkBlockDriverState(raw, False)
+ self.checkBlockDriverState(blkverify, False)
+ iotests.qemu_img('create', '-f', iotests.imgfmt, new_img, '1M')
+ node_0 = {'driver': iotests.imgfmt,
+ 'node-name': test,
+ 'file': {'driver': 'file',
+ 'filename': base_img}}
+ node_1 = {'driver': iotests.imgfmt,
+ 'node-name': raw,
+ 'file': {'driver': 'file',
+ 'filename': new_img}}
+ opts = {'driver': 'blkverify',
+ 'node-name': blkverify,
+ 'test': node_0,
+ 'raw': node_1}
+ result = self.vm.qmp('blockdev-add', conv_keys = False, options = opts)
+ self.assert_qmp(result, 'return', {})
+ self.checkBlockDriverState(test)
+ self.checkBlockDriverState(raw)
+ self.checkBlockDriverState(blkverify)
+
+ # Add a Quorum node
+ def addQuorum(self, quorum, child0, child1):
+ self.checkBlockDriverState(child0, False)
+ self.checkBlockDriverState(child1, False)
+ self.checkBlockDriverState(quorum, False)
+ iotests.qemu_img('create', '-f', iotests.imgfmt, new_img, '1M')
+ child_0 = {'driver': iotests.imgfmt,
+ 'node-name': child0,
+ 'file': {'driver': 'file',
+ 'filename': base_img}}
+ child_1 = {'driver': iotests.imgfmt,
+ 'node-name': child1,
+ 'file': {'driver': 'file',
+ 'filename': new_img}}
+ opts = {'driver': 'quorum',
+ 'node-name': quorum,
+ 'vote-threshold': 1,
+ 'children': [ child_0, child_1 ]}
+ result = self.vm.qmp('blockdev-add', conv_keys = False, options = opts)
+ self.assert_qmp(result, 'return', {})
+ self.checkBlockDriverState(child0)
+ self.checkBlockDriverState(child1)
+ self.checkBlockDriverState(quorum)
+
+ ########################
+ # The tests start here #
+ ########################
+
+ def testWrongParameters(self):
+ self.addBlockBackend('drive0', 'node0')
+ result = self.vm.qmp('x-blockdev-del')
+ self.assert_qmp(result, 'error/class', 'GenericError')
+ result = self.vm.qmp('x-blockdev-del', id='drive0', node_name='node0')
+ self.assert_qmp(result, 'error/class', 'GenericError')
+ self.delBlockBackend('drive0', 'node0')
+
+ def testBlockBackend(self):
+ self.addBlockBackend('drive0', 'node0')
+ # You cannot delete a BDS that is attached to a backend
+ self.delBlockDriverState('node0', expect_error = True)
+ self.delBlockBackend('drive0', 'node0')
+
+ def testBlockDriverState(self):
+ self.addBlockDriverState('node0')
+ # You cannot delete a file BDS directly
+ self.delBlockDriverState('node0_file', expect_error = True)
+ self.delBlockDriverState('node0')
+
+ def testEject(self):
+ self.addBlockBackend('drive0', 'node0')
+ self.ejectDrive('drive0', 'node0')
+ self.delBlockBackend('drive0', None)
+
+ def testDeviceModel(self):
+ self.addBlockBackend('drive0', 'node0')
+ self.addDeviceModel('device0', 'drive0')
+ self.ejectDrive('drive0', 'node0', expect_error = True)
+ self.delBlockBackend('drive0', 'node0', expect_error = True)
+ self.delDeviceModel('device0')
+ self.delBlockBackend('drive0', 'node0')
+
+ def testAttachMedia(self):
+ # This creates a BlockBackend and removes its media
+ self.addBlockBackend('drive0', 'node0')
+ self.ejectDrive('drive0', 'node0')
+ # This creates a new BlockDriverState and inserts it into the backend
+ self.addBlockDriverState('node1')
+ self.insertDrive('drive0', 'node1')
+ # The backend can't be removed: the new BDS has an extra reference
+ self.delBlockBackend('drive0', 'node1', expect_error = True)
+ self.delBlockDriverState('node1', expect_error = True)
+ # The BDS still exists after being ejected, but now it can be removed
+ self.ejectDrive('drive0', 'node1', destroys_media = False)
+ self.delBlockDriverState('node1')
+ self.delBlockBackend('drive0', None)
+
+ def testSnapshotSync(self):
+ self.addBlockBackend('drive0', 'node0')
+ self.createSnapshotSync('node0', 'overlay0')
+ # This fails because node0 is now being used as a backing image
+ self.delBlockDriverState('node0', expect_error = True)
+ # This succeeds because overlay0 only has the backend reference
+ self.delBlockBackend('drive0', 'overlay0')
+ self.checkBlockDriverState('node0', False)
+
+ def testSnapshot(self):
+ self.addBlockBackend('drive0', 'node0')
+ self.addBlockDriverStateOverlay('overlay0')
+ self.createSnapshot('node0', 'overlay0')
+ self.delBlockBackend('drive0', 'overlay0', expect_error = True)
+ self.delBlockDriverState('node0', expect_error = True)
+ self.delBlockDriverState('overlay0', expect_error = True)
+ self.ejectDrive('drive0', 'overlay0', destroys_media = False)
+ self.delBlockBackend('drive0', None)
+ self.delBlockDriverState('node0', expect_error = True)
+ self.delBlockDriverState('overlay0')
+ self.checkBlockDriverState('node0', False)
+
+ def testMirror(self):
+ self.addBlockBackend('drive0', 'node0')
+ self.createMirror('drive0', 'node0', 'mirror0')
+ # The block job prevents removing the device
+ self.delBlockBackend('drive0', 'node0', expect_error = True)
+ self.delBlockDriverState('node0', expect_error = True)
+ self.delBlockDriverState('mirror0', expect_error = True)
+ self.wait_ready('drive0')
+ self.completeBlockJob('drive0', 'node0', 'mirror0')
+ self.assert_no_active_block_jobs()
+ self.checkBlockDriverState('node0', False)
+ # This succeeds because the backend now points to mirror0
+ self.delBlockBackend('drive0', 'mirror0')
+
+ def testBlkDebug(self):
+ self.addBlkDebug('debug0', 'node0')
+ # 'node0' is used by the blkdebug node
+ self.delBlockDriverState('node0', expect_error = True)
+ # But we can remove the blkdebug node directly
+ self.delBlockDriverState('debug0')
+ self.checkBlockDriverState('node0', False)
+
+ def testBlkVerify(self):
+ self.addBlkVerify('verify0', 'node0', 'node1')
+ # We cannot remove the children of a blkverify device
+ self.delBlockDriverState('node0', expect_error = True)
+ self.delBlockDriverState('node1', expect_error = True)
+ # But we can remove the blkverify node directly
+ self.delBlockDriverState('verify0')
+ self.checkBlockDriverState('node0', False)
+ self.checkBlockDriverState('node1', False)
+
+ def testQuorum(self):
+ if not 'quorum' in iotests.qemu_img_pipe('--help'):
+ return
+ self.addQuorum('quorum0', 'node0', 'node1')
+ # We cannot remove the children of a Quorum device
+ self.delBlockDriverState('node0', expect_error = True)
+ self.delBlockDriverState('node1', expect_error = True)
+ # But we can remove the Quorum node directly
+ self.delBlockDriverState('quorum0')
+ self.checkBlockDriverState('node0', False)
+ self.checkBlockDriverState('node1', False)
+
+
+if __name__ == '__main__':
+ iotests.main(supported_fmts=["qcow2"])
diff --git a/tests/qemu-iotests/139.out b/tests/qemu-iotests/139.out
new file mode 100644
index 0000000..281b69e
--- /dev/null
+++ b/tests/qemu-iotests/139.out
@@ -0,0 +1,5 @@
+............
+----------------------------------------------------------------------
+Ran 12 tests
+
+OK
diff --git a/tests/qemu-iotests/common b/tests/qemu-iotests/common
index 25c351b..ff84f4b 100644
--- a/tests/qemu-iotests/common
+++ b/tests/qemu-iotests/common
@@ -41,7 +41,6 @@
expunge=true
have_test_arg=false
randomize=false
-valgrind=false
cachemode=false
rm -f $tmp.list $tmp.tmp $tmp.sed
@@ -53,6 +52,7 @@
export QEMU_IO_OPTIONS=""
export CACHEMODE_IS_DEFAULT=true
export QEMU_OPTIONS="-nodefaults"
+export VALGRIND_QEMU=
for r
do
@@ -278,7 +278,7 @@
;;
-valgrind)
- valgrind=true
+ VALGRIND_QEMU='y'
xpand=false
;;
@@ -436,8 +436,3 @@
if [ "$IMGPROTO" = "nbd" ] ; then
[ "$QEMU_NBD" = "" ] && _fatal "qemu-nbd not found"
fi
-
-if $valgrind; then
- export REAL_QEMU_IO="$QEMU_IO_PROG"
- export QEMU_IO_PROG=valgrind_qemu_io
-fi
diff --git a/tests/qemu-iotests/common.config b/tests/qemu-iotests/common.config
index 596bb2b..3ed51b8 100644
--- a/tests/qemu-iotests/common.config
+++ b/tests/qemu-iotests/common.config
@@ -44,6 +44,8 @@
export CHECK_OPTIONS=${CHECK_OPTIONS:="-g auto"}
export PWD=`pwd`
+export _QEMU_HANDLE=0
+
# $1 = prog to look for, $2* = default pathnames if not found in $PATH
set_prog_path()
{
@@ -105,7 +107,12 @@
_qemu_wrapper()
{
- (exec "$QEMU_PROG" $QEMU_OPTIONS "$@")
+ (
+ if [ -n "${QEMU_NEED_PID}" ]; then
+ echo $BASHPID > "${TEST_DIR}/qemu-${_QEMU_HANDLE}.pid"
+ fi
+ exec "$QEMU_PROG" $QEMU_OPTIONS "$@"
+ )
}
_qemu_img_wrapper()
@@ -115,12 +122,31 @@
_qemu_io_wrapper()
{
- (exec "$QEMU_IO_PROG" $QEMU_IO_OPTIONS "$@")
+ local VALGRIND_LOGFILE=/tmp/$$.valgrind
+ local RETVAL
+ (
+ if [ "${VALGRIND_QEMU}" == "y" ]; then
+ exec valgrind --log-file="${VALGRIND_LOGFILE}" --error-exitcode=99 "$QEMU_IO_PROG" $QEMU_IO_OPTIONS "$@"
+ else
+ exec "$QEMU_IO_PROG" $QEMU_IO_OPTIONS "$@"
+ fi
+ )
+ RETVAL=$?
+ if [ "${VALGRIND_QEMU}" == "y" ]; then
+ if [ $RETVAL == 99 ]; then
+ cat "${VALGRIND_LOGFILE}"
+ fi
+ rm -f "${VALGRIND_LOGFILE}"
+ fi
+ (exit $RETVAL)
}
_qemu_nbd_wrapper()
{
- (exec "$QEMU_NBD_PROG" $QEMU_NBD_OPTIONS "$@")
+ (
+ echo $BASHPID > "${TEST_DIR}/qemu-nbd.pid"
+ exec "$QEMU_NBD_PROG" $QEMU_NBD_OPTIONS "$@"
+ )
}
export QEMU=_qemu_wrapper
diff --git a/tests/qemu-iotests/common.qemu b/tests/qemu-iotests/common.qemu
index e3faa53..8bf3969 100644
--- a/tests/qemu-iotests/common.qemu
+++ b/tests/qemu-iotests/common.qemu
@@ -30,8 +30,6 @@
QEMU_FIFO_IN="${TEST_DIR}/qmp-in-$$"
QEMU_FIFO_OUT="${TEST_DIR}/qmp-out-$$"
-QEMU_PID=
-_QEMU_HANDLE=0
QEMU_HANDLE=0
# If bash version is >= 4.1, these will be overwritten and dynamic
@@ -153,11 +151,11 @@
mkfifo "${fifo_out}"
mkfifo "${fifo_in}"
+ QEMU_NEED_PID='y'\
${QEMU} -nographic -serial none ${comm} -machine accel=qtest "${@}" \
>"${fifo_out}" \
2>&1 \
<"${fifo_in}" &
- QEMU_PID[${_QEMU_HANDLE}]=$!
if [[ "${BASH_VERSINFO[0]}" -ge "5" ||
("${BASH_VERSINFO[0]}" -ge "4" && "${BASH_VERSINFO[1]}" -ge "1") ]]
@@ -196,10 +194,18 @@
# QEMU_PID[], QEMU_IN[], QEMU_OUT[] all use same indices
for i in "${!QEMU_OUT[@]}"
do
- if [ -z "${wait}" ]; then
- kill -KILL ${QEMU_PID[$i]} 2>/dev/null
+ local QEMU_PID
+ if [ -f "${TEST_DIR}/qemu-${i}.pid" ]; then
+ read QEMU_PID < "${TEST_DIR}/qemu-${i}.pid"
+ rm -f "${TEST_DIR}/qemu-${i}.pid"
+ if [ -z "${wait}" ] && [ -n "${QEMU_PID}" ]; then
+ kill -KILL ${QEMU_PID} 2>/dev/null
+ fi
+ if [ -n "${QEMU_PID}" ]; then
+ wait ${QEMU_PID} 2>/dev/null # silent kill
+ fi
fi
- wait ${QEMU_PID[$i]} 2>/dev/null # silent kill
+
if [ -n "${wait}" ]; then
cat <&${QEMU_OUT[$i]} | _filter_testdir | _filter_qemu \
| _filter_qemu_io | _filter_qmp
diff --git a/tests/qemu-iotests/common.rc b/tests/qemu-iotests/common.rc
index 28e4bea..d9913f8 100644
--- a/tests/qemu-iotests/common.rc
+++ b/tests/qemu-iotests/common.rc
@@ -70,16 +70,6 @@
TEST_IMG=$IMGPROTO:$TEST_DIR/t.$IMGFMT
fi
-function valgrind_qemu_io()
-{
- valgrind --log-file=/tmp/$$.valgrind --error-exitcode=99 $REAL_QEMU_IO "$@"
- if [ $? != 0 ]; then
- cat /tmp/$$.valgrind
- fi
- rm -f /tmp/$$.valgrind
-}
-
-
_optstr_add()
{
if [ -n "$1" ]; then
@@ -154,7 +144,6 @@
# Start an NBD server on the image file, which is what we'll be talking to
if [ $IMGPROTO = "nbd" ]; then
eval "$QEMU_NBD -v -t -b 127.0.0.1 -p 10810 -f $IMGFMT $TEST_IMG_FILE &"
- QEMU_NBD_PID=$!
sleep 1 # FIXME: qemu-nbd needs to be listening before we continue
fi
}
@@ -175,8 +164,11 @@
case "$IMGPROTO" in
nbd)
- if [ -n "$QEMU_NBD_PID" ]; then
- kill $QEMU_NBD_PID
+ if [ -f "${TEST_DIR}/qemu-nbd.pid" ]; then
+ local QEMU_NBD_PID
+ read QEMU_NBD_PID < "${TEST_DIR}/qemu-nbd.pid"
+ kill ${QEMU_NBD_PID}
+ rm -f "${TEST_DIR}/qemu-nbd.pid"
fi
rm -f "$TEST_IMG_FILE"
;;
diff --git a/tests/qemu-iotests/group b/tests/qemu-iotests/group
index a6a61ae..c69265d 100644
--- a/tests/qemu-iotests/group
+++ b/tests/qemu-iotests/group
@@ -138,3 +138,4 @@
135 rw auto
137 rw auto
138 rw auto quick
+139 rw auto quick
