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b76e4458b1
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Liang Li b76e4458b1 block/mirror: change the semantic of 'force' of block-job-cancel 
When doing drive mirror to a low speed shared storage, if there was heavy
BLK IO write workload in VM after the 'ready' event, drive mirror block job
can't be canceled immediately, it would keep running until the heavy BLK IO
workload stopped in the VM.

Libvirt depends on the current block-job-cancel semantics, which is that
when used without a flag after the 'ready' event, the command blocks
until data is in sync.  However, these semantics are awkward in other
situations, for example, people may use drive mirror for realtime
backups while still wanting to use block live migration.  Libvirt cannot
start a block live migration while another drive mirror is in progress,
but the user would rather abandon the backup attempt as broken and
proceed with the live migration than be stuck waiting for the current
drive mirror backup to finish.

The drive-mirror command already includes a 'force' flag, which libvirt
does not use, although it documented the flag as only being useful to
quit a job which is paused.  However, since quitting a paused job has
the same effect as abandoning a backup in a non-paused job (namely, the
destination file is not in sync, and the command completes immediately),
we can just improve the documentation to make the force flag obviously
useful.

Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Jeff Cody <jcody@redhat.com>
Cc: Kevin Wolf <kwolf@redhat.com>
Cc: Max Reitz <mreitz@redhat.com>
Cc: Eric Blake <eblake@redhat.com>
Cc: John Snow <jsnow@redhat.com>
Reported-by: Huaitong Han <huanhuaitong@didichuxing.com>
Signed-off-by: Huaitong Han <huanhuaitong@didichuxing.com>
Signed-off-by: Liang Li <liliangleo@didichuxing.com>
Signed-off-by: Jeff Cody <jcody@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2018-03-19 12:01:39 +01:00
..
acpi-test-data acpi-test: update FADT 2018-02-13 18:25:48 +02:00
data test-qga: add test for guest-get-osinfo 2017-07-18 05:49:01 -05:00
decode scripts: Add decodetree.py 2018-02-22 15:44:07 -08:00
docker tests: make docker-test-debug@fedora run sanitizers 2018-03-13 01:19:56 +08:00
guest-debug
image-fuzzer
keys tests: Add a test key pair 2017-09-22 10:46:25 +08:00
libqos tests/libqos: Check for valid dev pointer when looking for PCI devices 2018-03-05 09:03:17 +00:00
migration tests/migration: Add source to PC boot block 2018-02-14 10:26:21 +00:00
multiboot tests/multiboot: Fix whitespace failure 2017-08-11 13:23:19 +02:00
qapi-schema qapi: Record 'include' directives in intermediate representation 2018-03-02 13:14:10 -06:00
qemu-iotests qemu-iotests: Enable write tests for parallels 2018-03-19 12:01:39 +01:00
rocker tests: Avoid non-portable 'echo -ARG' 2017-07-11 17:45:00 +02:00
tcg maint: Fix macros with broken 'do/while(0); ' usage 2018-01-16 14:54:52 +01:00
vm docs: Add docs/devel/testing.rst 2018-02-08 09:23:07 +08:00
vmstate-static-checker-data
.gitignore sockets: move fd_is_socket() into common sockets code 2018-03-13 18:06:06 +00:00
ac97-test.c tests: Remove unnecessary glib.h includes 2016-06-07 18:19:24 +03:00
acpi-utils.c tests: Move reusable ACPI code into a utility file 2017-03-02 07:14:27 +02:00
acpi-utils.h maint: Fix macros with broken 'do/while(0); ' usage 2018-01-16 14:54:52 +01:00
ahci-test.c ahci-test: fix opts leak of skip tests 2018-03-06 14:01:27 +01:00
atomic_add-bench.c tests: add atomic_add-bench 2016-10-26 08:29:01 -07:00
benchmark-crypto-cipher.c tests: fix incorrect size_t format in benchmark-crypto 2017-09-04 10:45:19 +01:00
benchmark-crypto-hash.c tests: fix incorrect size_t format in benchmark-crypto 2017-09-04 10:45:19 +01:00
benchmark-crypto-hmac.c tests: fix incorrect size_t format in benchmark-crypto 2017-09-04 10:45:19 +01:00
bios-tables-test.c tests/boot-sector: Drop dependence on global_qtest 2018-02-14 11:43:41 +01:00
boot-order-test.c libqos: Use explicit QTestState for fw_cfg operations 2018-02-14 11:43:41 +01:00
boot-sector.c tests/boot-sector: Drop dependence on global_qtest 2018-02-14 11:43:41 +01:00
boot-sector.h tests/boot-sector: Drop dependence on global_qtest 2018-02-14 11:43:41 +01:00
boot-serial-test.c tests/boot-serial-test: Fix problem with timeout due to dropped characters 2018-02-16 10:15:48 +00:00
check-block.sh tests: allow to specify list of formats to test for check-block.sh 2016-09-23 13:36:09 +02:00
check-qdict.c qdict: Introduce qdict_rename_keys() 2018-03-09 15:17:47 +01:00
check-qjson.c Include qapi/qmp/qstring.h exactly where needed 2018-02-09 13:52:15 +01:00
check-qlist.c Include qapi/error.h exactly where needed 2018-02-09 13:50:17 +01:00
check-qlit.c Include qapi/qmp/qnum.h exactly where needed 2018-02-09 13:52:15 +01:00
check-qnull.c qapi/qnull: Add own header 2017-11-17 18:21:30 +01:00
check-qnum.c Include qapi/error.h exactly where needed 2018-02-09 13:50:17 +01:00
check-qobject.c Include qapi/qmp/qdict.h exactly where needed 2018-02-09 13:52:15 +01:00
check-qom-interface.c tests: fix check-qom-interface leaks 2016-09-08 17:57:32 +04:00
check-qom-proplist.c qapi: drop the sentinel in enum array 2017-09-04 13:09:13 +02:00
check-qstring.c tests: remove /{qnum, qlist, dict}/destroy test 2017-06-20 14:31:31 +02:00
cpu-plug-test.c Include qapi/qmp/qdict.h exactly where needed 2018-02-09 13:52:15 +01:00
crypto-tls-x509-helpers.c crypto: fix test cert generation to not use SHA1 algorithm 2017-09-04 10:45:19 +01:00
crypto-tls-x509-helpers.h clean-up: removed duplicate #includes 2016-10-28 18:17:24 +03:00
device-introspect-test.c Include qapi/qmp/qbool.h exactly where needed 2018-02-09 13:52:15 +01:00
display-vga-test.c qtest: add display-vga-test to ppc64 2017-01-31 10:10:13 +11:00
drive_del-test.c Include qapi/qmp/qdict.h exactly where needed 2018-02-09 13:52:15 +01:00
ds1338-test.c libqos: Use explicit QTestState for i2c operations 2018-02-14 11:43:41 +01:00
e1000-test.c tests: fix e1000-test leak 2017-03-01 11:51:28 +04:00
e1000e-test.c libqos: Use explicit QTestState for fw_cfg operations 2018-02-14 11:43:41 +01:00
eepro100-test.c tests: fix eepro100-test leak 2017-03-01 11:51:05 +04:00
endianness-test.c libqtest: Add qtest_[v]startf() 2017-10-20 13:32:10 +02:00
es1370-test.c tests: Remove unnecessary glib.h includes 2016-06-07 18:19:24 +03:00
fdc-test.c fdc-test: Avoid deprecated 'change' command 2017-05-09 09:14:40 +02:00
fw_cfg-test.c libqos: Use explicit QTestState for fw_cfg operations 2018-02-14 11:43:41 +01:00
hd-geo-test.c tests: fix hd-geo-test leaks 2017-03-01 11:51:04 +04:00
i440fx-test.c libqos: Track QTestState with QPCIBus 2018-02-14 11:43:02 +01:00
i82801b11-test.c tests: Remove unnecessary glib.h includes 2016-06-07 18:19:24 +03:00
ide-test.c libqos: Use explicit QTestState for fw_cfg operations 2018-02-14 11:43:41 +01:00
intel-hda-test.c coccinelle: Remove unnecessary variables for function return value 2016-06-20 16:38:13 +02:00
io-channel-helpers.c Include qapi/error.h exactly where needed 2018-02-09 13:50:17 +01:00
io-channel-helpers.h
ioh3420-test.c tests: Remove unnecessary glib.h includes 2016-06-07 18:19:24 +03:00
iothread.c aio: introduce aio_co_schedule and aio_co_wake 2017-02-21 11:14:07 +00:00
iothread.h aio: introduce aio_co_schedule and aio_co_wake 2017-02-21 11:14:07 +00:00
ipmi-bt-test.c libqtest: Add qtest_[v]startf() 2017-10-20 13:32:10 +02:00
ipmi-kcs-test.c tests: fix ipmi-kcs-test leak 2017-03-01 11:51:05 +04:00
ipoctal232-test.c tests: Remove unnecessary glib.h includes 2016-06-07 18:19:24 +03:00
ivshmem-test.c libqos: Use explicit QTestState for remaining libqos operations 2018-02-14 11:43:41 +01:00
libqtest.c libqtest: Use qemu_strtoul() 2018-02-14 10:08:41 +01:00
libqtest.h Include qapi/qmp/qdict.h exactly where needed 2018-02-09 13:52:15 +01:00
m25p80-test.c libqtest: Add qtest_[v]startf() 2017-10-20 13:32:10 +02:00
m48t59-test.c tests/m48t59: Use the m48t59 test on ppc, too 2018-02-14 11:43:42 +01:00
Makefile.include sockets: move fd_is_socket() into common sockets code 2018-03-13 18:06:06 +00:00
megasas-test.c libqos: Use explicit QTestState for remaining libqos operations 2018-02-14 11:43:41 +01:00
migration-test.c tests: Silence migration-test 'bad' test 2018-03-09 17:39:25 +00:00
ne2000-test.c tests: Remove unnecessary glib.h includes 2016-06-07 18:19:24 +03:00
numa-test.c Include qapi/qmp/qdict.h exactly where needed 2018-02-09 13:52:15 +01:00
nvme-test.c tests: Use null-co:// instead of /dev/null as the dummy image 2017-05-11 11:08:40 +02:00
pcnet-test.c tests: Remove unnecessary glib.h includes 2016-06-07 18:19:24 +03:00
pkix_asn1_tab.c qtest: fix make check complaint in crypto module 2016-10-19 10:09:24 +01:00
pnv-xscom-test.c ppc/pnv: fix XSCOM core addressing on POWER9 2018-01-17 09:35:24 +11:00
prom-env-test.c libqtest: Add qtest_[v]startf() 2017-10-20 13:32:10 +02:00
ptimer-test-stubs.c ptimer-test: do not link to libqemustub.a/libqemuutil.a 2017-09-19 16:19:39 +02:00
ptimer-test.c Clean up includes 2018-02-09 05:05:11 +01:00
ptimer-test.h tests: ptimer: Change the copyright comment 2016-10-24 16:26:53 +01:00
pvpanic-test.c Include qapi/qmp/qdict.h exactly where needed 2018-02-09 13:52:15 +01:00
pxe-test.c tests/boot-sector: Drop dependence on global_qtest 2018-02-14 11:43:41 +01:00
q35-test.c libqos: Track QTestState with QPCIBus 2018-02-14 11:43:02 +01:00
qemu-iotests-quick.sh
qht-bench.c tcg: define CF_PARALLEL and use it for TB hashing along with CF_COUNT_MASK 2017-10-24 13:53:41 -07:00
qmp-test.c sev/i386: qmp: add query-sev-capabilities command 2018-03-13 17:36:05 +01:00
qom-test.c Include qapi/qmp/qdict.h exactly where needed 2018-02-09 13:52:15 +01:00
rcutorture.c rcutorture: remove synchronize_rcu from readers 2018-03-12 16:12:47 +01:00
rtas-test.c libqos: Use explicit QTestState for remaining libqos operations 2018-02-14 11:43:41 +01:00
rtc-test.c rtc-test: introduce more update tests 2017-08-01 17:27:33 +02:00
rtl8139-test.c libqos: Track QTestState with QPCIBus 2018-02-14 11:43:02 +01:00
sdhci-test.c sdhci-test: fix leaks 2018-03-06 14:01:27 +01:00
socket-helpers.c sockets: strengthen test suite IP protocol availability checks 2018-03-13 18:06:06 +00:00
socket-helpers.h sockets: strengthen test suite IP protocol availability checks 2018-03-13 18:06:06 +00:00
spapr-phb-test.c spapr: Improved placement of PCI host bridges in guest memory map 2016-10-16 12:04:15 +11:00
tco-test.c libqos: Track QTestState with QPCIBus 2018-02-14 11:43:02 +01:00
test-aio-multithread.c Include qapi/error.h exactly where needed 2018-02-09 13:50:17 +01:00
test-aio.c cpus: define QEMUTimerListNotifyCB for QEMU system emulation 2017-03-14 13:28:29 +01:00
test-arm-mptimer.c tests: Add tests for the ARM MPTimer 2016-10-24 16:26:54 +01:00
test-base64.c tests: Remove unnecessary glib.h includes 2016-06-07 18:19:24 +03:00
test-bdrv-drain.c blockjobs: add block_job_verb permission table 2018-03-19 12:01:24 +01:00
test-bitcnt.c tests: New test-bitcnt 2017-01-10 08:49:59 -08:00
test-bitops.c bitops.h: Implement half-shuffle and half-unshuffle ops 2016-06-17 15:23:51 +01:00
test-block-backend.c block: test blk_aio_flush() with blk->root == NULL 2018-03-02 18:39:07 +01:00
test-blockjob-txn.c block/mirror: change the semantic of 'force' of block-job-cancel 2018-03-19 12:01:39 +01:00
test-blockjob.c tests/test-blockjob: test cancellations 2018-03-19 12:01:24 +01:00
test-bufferiszero.c cutils: Add test for buffer_is_zero 2016-09-13 19:13:32 +02:00
test-char.c * Record-replay lockstep execution, log dumper and fixes (Alex, Pavel) 2018-03-16 11:05:03 +00:00
test-clone-visitor.c Eliminate qapi/qmp/types.h 2018-02-09 13:52:15 +01:00
test-coroutine.c lockable: add QemuLockable 2018-02-08 09:22:03 +08:00
test-crypto-afsplit.c include/qemu/osdep.h: Don't include qapi/error.h 2016-03-22 22:20:15 +01:00
test-crypto-block.c tests: Run the luks tests in test-crypto-block only if encryption is available 2017-11-08 11:03:46 +00:00
test-crypto-cipher.c crypto: add 3des-ede support when using libgcrypt/nettle 2016-12-21 14:26:26 +00:00
test-crypto-hash.c crypto: fix initialization of crypto in tests 2016-10-19 10:23:55 +01:00
test-crypto-hmac.c crypto: add HMAC algorithms testcases 2016-12-22 09:24:59 +00:00
test-crypto-ivgen.c include/qemu/osdep.h: Don't include qapi/error.h 2016-03-22 22:20:15 +01:00
test-crypto-pbkdf.c crypto: support more hash algorithms for pbkdf 2016-09-19 16:30:45 +01:00
test-crypto-secret.c crypto: remove temp files on completion of secrets test 2016-06-13 12:41:17 +01:00
test-crypto-tlscredsx509.c include/qemu/osdep.h: Don't include qapi/error.h 2016-03-22 22:20:15 +01:00
test-crypto-tlssession.c include/qemu/osdep.h: Don't include qapi/error.h 2016-03-22 22:20:15 +01:00
test-crypto-xts.c crypto: rename OUT to out in xts test to avoid clash on MinGW 2016-07-04 10:46:59 +01:00
test-cutils.c cutils: add qemu_strtoi & qemu_strtoui parsers for int/unsigned int types 2018-03-13 18:06:05 +00:00
test-filter-mirror.c libqtest: Add qtest_[v]startf() 2017-10-20 13:32:10 +02:00
test-filter-redirector.c tests/test-filter-redirector: move close() 2018-02-07 14:09:25 +01:00
test-hbitmap.c tests/hbitmap: use ARRAY_SIZE macro 2018-02-10 10:44:30 +03:00
test-hmp.c net: Remove the deprecated 'host_net_add' and 'host_net_remove' HMP commands 2018-03-05 10:30:15 +08:00
test-int128.c int128: Use __int128 if available 2016-10-26 08:29:00 -07:00
test-io-channel-buffer.c
test-io-channel-command.c tests: fix leaks in test-io-channel-command 2017-03-01 00:09:28 +04:00
test-io-channel-file.c io: Fix QIOChannelFile when creating and opening read-write 2018-02-15 16:54:57 +00:00
test-io-channel-socket.c sockets: pull code for testing IP availability out of specific test 2018-03-13 18:06:06 +00:00
test-io-channel-tls.c qio: non-default context for TLS handshake 2018-03-06 10:19:07 +00:00
test-io-task.c qio: non-default context for threaded qtask 2018-03-06 10:19:05 +00:00
test-iov.c tests: Use real size for iov tests 2017-09-05 22:34:40 +02:00
test-keyval.c Include qapi/qmp/qdict.h exactly where needed 2018-02-09 13:52:15 +01:00
test-logging.c test-logging: don't hard-code paths in /tmp 2016-08-19 12:44:11 +01:00
test-mul64.c tests: Remove unnecessary glib.h includes 2016-06-07 18:19:24 +03:00
test-netfilter.c Include qapi/qmp/qdict.h exactly where needed 2018-02-09 13:52:15 +01:00
test-opts-visitor.c qapi: Fix QemuOpts visitor regression on unvisited input 2017-03-22 19:24:34 +01:00
test-qapi-util.c Drop superfluous includes of qapi-types.h and test-qapi-types.h 2018-02-09 05:05:11 +01:00
test-qdev-global-props.c test-qdev-global-props: Test global property ordering 2017-07-17 15:41:30 -03:00
test-qdist.c qdist: return "(empty)" instead of NULL when printing an empty dist 2016-08-03 18:44:56 +02:00
test-qemu-opts.c test-qemu-opts: Test qemu_opts_to_qdict_filtered() 2018-03-09 15:17:47 +01:00
test-qga.c Include qapi/qmp/qdict.h exactly where needed 2018-02-09 13:52:15 +01:00
test-qht-par.c clean-includes: run it once more 2016-06-16 18:39:03 +02:00
test-qht.c test-qht: perform lookups under rcu_read_lock 2016-10-06 18:04:13 +02:00
test-qmp-cmds.c qapi: Move qapi-schema.json to qapi/, rename generated files 2018-03-02 13:45:57 -06:00
test-qmp-event.c qapi: Move qapi-schema.json to qapi/, rename generated files 2018-03-02 13:45:57 -06:00
test-qobject-input-visitor.c qapi: Move qapi-schema.json to qapi/, rename generated files 2018-03-02 13:45:57 -06:00
test-qobject-output-visitor.c tests/qapi: use QEMU_IS_ALIGNED macro 2018-02-10 10:44:58 +03:00
test-rcu-list.c tests: Remove unnecessary glib.h includes 2016-06-07 18:19:24 +03:00
test-replication.c Move include qemu/option.h from qemu-common.h to actual users 2018-02-09 13:52:16 +01:00
test-shift128.c host-utils: Implement unsigned quadword left/right shift and unit tests 2017-01-31 10:10:14 +11:00
test-string-input-visitor.c Eliminate qapi/qmp/types.h 2018-02-09 13:52:15 +01:00
test-string-output-visitor.c tests/qapi: use ARRAY_SIZE macro 2018-02-10 10:45:14 +03:00
test-thread-pool.c test-thread-pool: use generic AioContext infrastructure 2017-02-21 11:14:07 +00:00
test-throttle.c block: convert ThrottleGroup to object with QOM 2017-09-05 18:12:21 +02:00
test-timed-average.c tests: Remove unnecessary glib.h includes 2016-06-07 18:19:24 +03:00
test-util-sockets.c sockets: allow SocketAddress 'fd' to reference numeric file descriptors 2018-03-13 18:06:06 +00:00
test-uuid.c util: add is_equal to UUID API 2017-12-20 22:01:24 +08:00
test-visitor-serialization.c qapi: Empty out qapi-schema.json 2018-03-02 13:45:50 -06:00
test-vmstate.c migration: Route more error paths 2017-09-27 11:44:18 +01:00
test-write-threshold.c tests: Remove unnecessary glib.h includes 2016-06-07 18:19:24 +03:00
test-x86-cpuid-compat.c Include qapi/qmp/qlist.h exactly where needed 2018-02-09 13:52:15 +01:00
test-x86-cpuid.c tests: Remove unnecessary glib.h includes 2016-06-07 18:19:24 +03:00
test-xbzrle.c migration: Create migration/xbzrle.h 2017-05-18 18:04:54 +02:00
tmp105-test.c libqos: Use explicit QTestState for i2c operations 2018-02-14 11:43:41 +01:00
tpci200-test.c tests: Remove unnecessary glib.h includes 2016-06-07 18:19:24 +03:00
tpm-crb-test.c tests: Move common TPM test code into tpm-emu.c 2018-02-21 07:24:50 -05:00
tpm-emu.c tests: add test for TPM TIS device 2018-02-21 07:24:50 -05:00
tpm-emu.h tests: Move common TPM test code into tpm-emu.c 2018-02-21 07:24:50 -05:00
tpm-tis-test.c tests: add test for TPM TIS device 2018-02-21 07:24:50 -05:00
usb-hcd-ehci-test.c libqos: Track QTestState with QPCIBus 2018-02-14 11:43:02 +01:00
usb-hcd-ohci-test.c tests: Remove unnecessary glib.h includes 2016-06-07 18:19:24 +03:00
usb-hcd-uhci-test.c libqos: Use explicit QTestState for remaining libqos operations 2018-02-14 11:43:41 +01:00
usb-hcd-xhci-test.c tests: Introduce generic device hot-plug/hot-unplug functions 2017-09-15 09:05:18 +02:00
vhost-user-bridge.c tests: Avoid 'do/while(false); ' in vhost-user-bridge 2018-01-16 14:54:52 +01:00
vhost-user-test.c libqos: Use explicit QTestState for fw_cfg operations 2018-02-14 11:43:41 +01:00
virtio-9p-test.c libqos: Use explicit QTestState for remaining libqos operations 2018-02-14 11:43:41 +01:00
virtio-balloon-test.c tests: Enable the very simple virtio tests on s390x, too 2017-10-20 13:32:10 +02:00
virtio-blk-test.c libqos: Use explicit QTestState for remaining libqos operations 2018-02-14 11:43:41 +01:00
virtio-console-test.c tests: Enable the very simple virtio tests on s390x, too 2017-10-20 13:32:10 +02:00
virtio-net-test.c libqos: Use explicit QTestState for remaining libqos operations 2018-02-14 11:43:41 +01:00
virtio-rng-test.c tests: enable virtio tests on SPAPR 2016-10-28 09:36:58 +11:00
virtio-scsi-test.c scsi: support NDOB (no data-out buffer) for WRITE SAME commands 2018-03-12 16:12:46 +01:00
virtio-serial-test.c tests: Enable the very simple virtio tests on s390x, too 2017-10-20 13:32:10 +02:00
vmgenid-test.c tests/boot-sector: Drop dependence on global_qtest 2018-02-14 11:43:41 +01:00
vmxnet3-test.c tests: Remove unnecessary glib.h includes 2016-06-07 18:19:24 +03:00
wdt_ib700-test.c wdt_ib700-test: Drop dependence on global_qtest 2018-02-14 11:43:42 +01:00