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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=40.107.0.136; envelope-from=vsementsov@virtuozzo.com; helo=EUR02-AM5-obe.outbound.protection.outlook.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, MSGID_FROM_MTA_HEADER=0.001, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @virtuozzo.com) Content-Type: text/plain; charset="utf-8" It will be used to stop retrying NBD requests on mirror cancel. Signed-off-by: Vladimir Sementsov-Ogievskiy Reviewed-by: Eric Blake --- include/block/block.h | 3 +++ include/block/block_int.h | 9 +++++++++ block/io.c | 11 +++++++++++ 3 files changed, 23 insertions(+) diff --git a/include/block/block.h b/include/block/block.h index 0a9f2c187c..2f2698074e 100644 --- a/include/block/block.h +++ b/include/block/block.h @@ -849,4 +849,7 @@ int coroutine_fn bdrv_co_copy_range(BdrvChild *src, int= 64_t src_offset, BdrvChild *dst, int64_t dst_offset, int64_t bytes, BdrvRequestFlags read_f= lags, BdrvRequestFlags write_flags); + +void bdrv_cancel_in_flight(BlockDriverState *bs); + #endif diff --git a/include/block/block_int.h b/include/block/block_int.h index 22a2789d35..88e4111939 100644 --- a/include/block/block_int.h +++ b/include/block/block_int.h @@ -352,6 +352,15 @@ struct BlockDriver { bool want_zero, int64_t offset, int64_t bytes, int64_t *pnum, int64_t *map, BlockDriverState **file); =20 + /* + * This informs the driver that we are no longer interested in the res= ult + * of in-flight requests, so don't waste the time if possible. + * + * One example usage is to avoid waiting for an nbd target node reconn= ect + * timeout during job-cancel. + */ + void (*bdrv_cancel_in_flight)(BlockDriverState *bs); + /* * Invalidate any cached meta-data. */ diff --git a/block/io.c b/block/io.c index b0435ed670..ca2dca3007 100644 --- a/block/io.c +++ b/block/io.c @@ -3460,3 +3460,14 @@ out: =20 return ret; } + +void bdrv_cancel_in_flight(BlockDriverState *bs) +{ + if (!bs || !bs->drv) { + return; + } + + if (bs->drv->bdrv_cancel_in_flight) { + bs->drv->bdrv_cancel_in_flight(bs); + } +} --=20 2.29.2 From nobody Sat May 18 18:13:06 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; arc=pass (i=1dmarc=pass fromdomain=virtuozzo.com); dmarc=pass(p=quarantine dis=none) header.from=virtuozzo.com ARC-Seal: i=2; a=rsa-sha256; t=1612543386; cv=pass; d=zohomail.com; s=zohoarc; b=clbiW8zS9cLkOtelMZ2lDgqzfv542qoxlPtrYSJvTcsz/g9Mi7lB02dK9NmgrnYq+qOFPJ2DPKBXAN0jf3mnDC/+fd2/om7bET+YElqiMXrPqpx0WQvEmu6GtAMtsb9ZCUMqf9X1XCAMs3ZjRaA+c2NH+qmGCc0BYi4lJ5LjcQ0= ARC-Message-Signature: i=2; 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Signed-off-by: Vladimir Sementsov-Ogievskiy Reviewed-by: Eric Blake --- block/nbd.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/block/nbd.c b/block/nbd.c index b3cbbeb4b0..c26dc5a54f 100644 --- a/block/nbd.c +++ b/block/nbd.c @@ -2458,6 +2458,18 @@ static const char *const nbd_strong_runtime_opts[] = =3D { NULL }; =20 +static void nbd_cancel_in_flight(BlockDriverState *bs) +{ + BDRVNBDState *s =3D (BDRVNBDState *)bs->opaque; + + reconnect_delay_timer_del(s); + + if (s->state =3D=3D NBD_CLIENT_CONNECTING_WAIT) { + s->state =3D NBD_CLIENT_CONNECTING_NOWAIT; + qemu_co_queue_restart_all(&s->free_sema); + } +} + static BlockDriver bdrv_nbd =3D { .format_name =3D "nbd", .protocol_name =3D "nbd", @@ -2484,6 +2496,7 @@ static BlockDriver bdrv_nbd =3D { .bdrv_co_block_status =3D nbd_client_co_block_status, .bdrv_dirname =3D nbd_dirname, .strong_runtime_opts =3D nbd_strong_runtime_opts, + .bdrv_cancel_in_flight =3D nbd_cancel_in_flight, }; =20 static BlockDriver bdrv_nbd_tcp =3D { @@ -2512,6 +2525,7 @@ static BlockDriver bdrv_nbd_tcp =3D { .bdrv_co_block_status =3D nbd_client_co_block_status, .bdrv_dirname =3D nbd_dirname, .strong_runtime_opts =3D nbd_strong_runtime_opts, + .bdrv_cancel_in_flight =3D nbd_cancel_in_flight, }; =20 static BlockDriver bdrv_nbd_unix =3D { @@ -2540,6 +2554,7 @@ static BlockDriver bdrv_nbd_unix =3D { .bdrv_co_block_status =3D nbd_client_co_block_status, .bdrv_dirname =3D nbd_dirname, .strong_runtime_opts =3D nbd_strong_runtime_opts, + .bdrv_cancel_in_flight =3D nbd_cancel_in_flight, }; =20 static void bdrv_nbd_init(void) --=20 2.29.2 From nobody Sat May 18 18:13:06 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; arc=pass (i=1dmarc=pass fromdomain=virtuozzo.com); dmarc=pass(p=quarantine dis=none) header.from=virtuozzo.com ARC-Seal: i=2; a=rsa-sha256; t=1612543485; cv=pass; d=zohomail.com; s=zohoarc; b=gJrptfkQU7V1KDSM3mo092i/gjFv62INv42Lxhtit82/e36HA7v/W+kEGVJn8QF6P5TSH3MIAS4zSDrLYqn8Ltv6LNi0pLApi+gRiYKh46id+KfVw4pK96tx3prA+QB6lpqZ35g7l3eSbbZIBZatz/DPzQDyyglrI0SnfTmBv0c= ARC-Message-Signature: i=2; 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=40.107.0.136; envelope-from=vsementsov@virtuozzo.com; helo=EUR02-AM5-obe.outbound.protection.outlook.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, MSGID_FROM_MTA_HEADER=0.001, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @virtuozzo.com) Content-Type: text/plain; charset="utf-8" We are going to cancel in-flight requests on mirror nbd target on job cancel. Still nbd is often used not directly but as raw-format child. So, add pass-through handler here. Signed-off-by: Vladimir Sementsov-Ogievskiy Reviewed-by: Eric Blake --- block/raw-format.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/block/raw-format.c b/block/raw-format.c index 42ec50802b..7717578ed6 100644 --- a/block/raw-format.c +++ b/block/raw-format.c @@ -575,6 +575,11 @@ static const char *const raw_strong_runtime_opts[] =3D= { NULL }; =20 +static void raw_cancel_in_flight(BlockDriverState *bs) +{ + bdrv_cancel_in_flight(bs->file->bs); +} + BlockDriver bdrv_raw =3D { .format_name =3D "raw", .instance_size =3D sizeof(BDRVRawState), @@ -608,6 +613,7 @@ BlockDriver bdrv_raw =3D { .bdrv_has_zero_init =3D &raw_has_zero_init, .strong_runtime_opts =3D raw_strong_runtime_opts, .mutable_opts =3D mutable_opts, + .bdrv_cancel_in_flight =3D raw_cancel_in_flight, }; =20 static void bdrv_raw_init(void) --=20 2.29.2 From nobody Sat May 18 18:13:06 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; 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dkim=none (message not signed) header.d=none;nongnu.org; dmarc=none action=none header.from=virtuozzo.com; From: Vladimir Sementsov-Ogievskiy To: qemu-block@nongnu.org Cc: qemu-devel@nongnu.org, eblake@redhat.com, fam@euphon.net, stefanha@redhat.com, mreitz@redhat.com, kwolf@redhat.com, vsementsov@virtuozzo.com, jsnow@redhat.com, den@openvz.org Subject: [PATCH v2 04/10] job: add .cancel handler for the driver Date: Fri, 5 Feb 2021 19:37:14 +0300 Message-Id: <20210205163720.887197-5-vsementsov@virtuozzo.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210205163720.887197-1-vsementsov@virtuozzo.com> References: <20210205163720.887197-1-vsementsov@virtuozzo.com> Content-Transfer-Encoding: quoted-printable X-Originating-IP: [185.215.60.213] X-ClientProxiedBy: AM9P193CA0029.EURP193.PROD.OUTLOOK.COM (2603:10a6:20b:21e::34) To AM7PR08MB5494.eurprd08.prod.outlook.com (2603:10a6:20b:dc::15) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: b163f2d0-37d5-41a0-6f54-08d8c9f45898 X-MS-TrafficTypeDiagnostic: AM6PR08MB4470: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:873; 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=40.107.2.92; envelope-from=vsementsov@virtuozzo.com; helo=EUR02-VE1-obe.outbound.protection.outlook.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, MSGID_FROM_MTA_HEADER=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @virtuozzo.com) Content-Type: text/plain; charset="utf-8" To be used in mirror in the following commit to cancel in-flight io on target to not waste the time. Signed-off-by: Vladimir Sementsov-Ogievskiy Reviewed-by: Eric Blake --- include/qemu/job.h | 5 +++++ job.c | 3 +++ 2 files changed, 8 insertions(+) diff --git a/include/qemu/job.h b/include/qemu/job.h index 32aabb1c60..efc6fa7544 100644 --- a/include/qemu/job.h +++ b/include/qemu/job.h @@ -251,6 +251,11 @@ struct JobDriver { */ void (*clean)(Job *job); =20 + /** + * If the callback is not NULL, it will be invoked in job_cancel_async + */ + void (*cancel)(Job *job); + =20 /** Called when the job is freed */ void (*free)(Job *job); diff --git a/job.c b/job.c index 3aaaebafe2..289edee143 100644 --- a/job.c +++ b/job.c @@ -715,6 +715,9 @@ static int job_finalize_single(Job *job) =20 static void job_cancel_async(Job *job, bool force) { + if (job->driver->cancel) { + job->driver->cancel(job); + } if (job->user_paused) { /* Do not call job_enter here, the caller will handle it. */ if (job->driver->user_resume) { --=20 2.29.2 From nobody Sat May 18 18:13:06 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=40.107.0.136; envelope-from=vsementsov@virtuozzo.com; helo=EUR02-AM5-obe.outbound.protection.outlook.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, MSGID_FROM_MTA_HEADER=0.001, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @virtuozzo.com) Content-Type: text/plain; charset="utf-8" Cancel in-flight io on target to not waste the time. Signed-off-by: Vladimir Sementsov-Ogievskiy Reviewed-by: Eric Blake --- block/mirror.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/block/mirror.c b/block/mirror.c index 8e1ad6eceb..9faffe4707 100644 --- a/block/mirror.c +++ b/block/mirror.c @@ -1179,6 +1179,14 @@ static bool mirror_drained_poll(BlockJob *job) return !!s->in_flight; } =20 +static void mirror_cancel(Job *job) +{ + MirrorBlockJob *s =3D container_of(job, MirrorBlockJob, common.job); + BlockDriverState *target =3D blk_bs(s->target); + + bdrv_cancel_in_flight(target); +} + static const BlockJobDriver mirror_job_driver =3D { .job_driver =3D { .instance_size =3D sizeof(MirrorBlockJob), @@ -1190,6 +1198,7 @@ static const BlockJobDriver mirror_job_driver =3D { .abort =3D mirror_abort, .pause =3D mirror_pause, .complete =3D mirror_complete, + .cancel =3D mirror_cancel, }, .drained_poll =3D mirror_drained_poll, }; --=20 2.29.2 From nobody Sat May 18 18:13:06 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; 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dkim=none (message not signed) header.d=none;nongnu.org; dmarc=none action=none header.from=virtuozzo.com; From: Vladimir Sementsov-Ogievskiy To: qemu-block@nongnu.org Cc: qemu-devel@nongnu.org, eblake@redhat.com, fam@euphon.net, stefanha@redhat.com, mreitz@redhat.com, kwolf@redhat.com, vsementsov@virtuozzo.com, jsnow@redhat.com, den@openvz.org Subject: [PATCH v2 06/10] iotests/264: move to python unittest Date: Fri, 5 Feb 2021 19:37:16 +0300 Message-Id: <20210205163720.887197-7-vsementsov@virtuozzo.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210205163720.887197-1-vsementsov@virtuozzo.com> References: <20210205163720.887197-1-vsementsov@virtuozzo.com> Content-Transfer-Encoding: quoted-printable X-Originating-IP: [185.215.60.213] X-ClientProxiedBy: AM9P193CA0029.EURP193.PROD.OUTLOOK.COM (2603:10a6:20b:21e::34) To AM7PR08MB5494.eurprd08.prod.outlook.com (2603:10a6:20b:dc::15) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 5660bf7e-9e43-4950-c903-08d8c9f459d0 X-MS-TrafficTypeDiagnostic: AM6PR08MB4470: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:3044; 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=40.107.2.92; envelope-from=vsementsov@virtuozzo.com; helo=EUR02-VE1-obe.outbound.protection.outlook.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, MSGID_FROM_MTA_HEADER=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @virtuozzo.com) Content-Type: text/plain; charset="utf-8" We are going to add more test cases, so use the library supporting test cases. Signed-off-by: Vladimir Sementsov-Ogievskiy Reviewed-by: Eric Blake --- tests/qemu-iotests/264 | 93 ++++++++++++++++++++++---------------- tests/qemu-iotests/264.out | 20 ++------ 2 files changed, 58 insertions(+), 55 deletions(-) diff --git a/tests/qemu-iotests/264 b/tests/qemu-iotests/264 index e725cefd47..6feeaa4056 100755 --- a/tests/qemu-iotests/264 +++ b/tests/qemu-iotests/264 @@ -20,13 +20,10 @@ # =20 import time +import os =20 import iotests -from iotests import qemu_img_create, file_path, qemu_nbd_popen, log - -iotests.script_initialize( - supported_fmts=3D['qcow2'], -) +from iotests import qemu_img_create, file_path, qemu_nbd_popen =20 disk_a, disk_b, nbd_sock =3D file_path('disk_a', 'disk_b', 'nbd-sock') nbd_uri =3D 'nbd+unix:///?socket=3D' + nbd_sock @@ -34,46 +31,62 @@ size =3D 5 * 1024 * 1024 wait_limit =3D 3.0 wait_step =3D 0.2 =20 -qemu_img_create('-f', iotests.imgfmt, disk_a, str(size)) -qemu_img_create('-f', iotests.imgfmt, disk_b, str(size)) =20 -with qemu_nbd_popen('-k', nbd_sock, '-f', iotests.imgfmt, disk_b): - vm =3D iotests.VM().add_drive(disk_a) - vm.launch() - vm.hmp_qemu_io('drive0', 'write 0 {}'.format(size)) +class TestNbdReconnect(iotests.QMPTestCase): + def setUp(self): + qemu_img_create('-f', iotests.imgfmt, disk_a, str(size)) + qemu_img_create('-f', iotests.imgfmt, disk_b, str(size)) + self.vm =3D iotests.VM().add_drive(disk_a) + self.vm.launch() + self.vm.hmp_qemu_io('drive0', 'write 0 {}'.format(size)) + + def tearDown(self): + self.vm.shutdown() + os.remove(disk_a) + os.remove(disk_b) + + def test(self): + with qemu_nbd_popen('-k', nbd_sock, '-f', iotests.imgfmt, disk_b): + result =3D self.vm.qmp('blockdev-add', + **{'node_name': 'backup0', + 'driver': 'raw', + 'file': {'driver': 'nbd', + 'server': {'type': 'unix', + 'path': nbd_sock}, + 'reconnect-delay': 10}}) + self.assert_qmp(result, 'return', {}) + result =3D self.vm.qmp('blockdev-backup', device=3D'drive0', + sync=3D'full', target=3D'backup0', + speed=3D(1 * 1024 * 1024)) + self.assert_qmp(result, 'return', {}) + + # Wait for some progress + t =3D 0.0 + while t < wait_limit: + jobs =3D self.vm.qmp('query-block-jobs')['return'] + if jobs and jobs[0]['offset'] > 0: + break + time.sleep(wait_step) + t +=3D wait_step =20 - vm.qmp_log('blockdev-add', filters=3D[iotests.filter_qmp_testfiles], - **{'node_name': 'backup0', - 'driver': 'raw', - 'file': {'driver': 'nbd', - 'server': {'type': 'unix', 'path': nbd_sock}, - 'reconnect-delay': 10}}) - vm.qmp_log('blockdev-backup', device=3D'drive0', sync=3D'full', - target=3D'backup0', speed=3D(1 * 1024 * 1024)) + self.assertTrue(jobs and jobs[0]['offset'] > 0) # job started =20 - # Wait for some progress - t =3D 0.0 - while t < wait_limit: - jobs =3D vm.qmp('query-block-jobs')['return'] - if jobs and jobs[0]['offset'] > 0: - break - time.sleep(wait_step) - t +=3D wait_step + jobs =3D self.vm.qmp('query-block-jobs')['return'] + # Check that job is still in progress + self.assertTrue(jobs and jobs[0]['offset'] < jobs[0]['len']) =20 - if jobs and jobs[0]['offset'] > 0: - log('Backup job is started') + result =3D self.vm.qmp('block-job-set-speed', device=3D'drive0', s= peed=3D0) + self.assert_qmp(result, 'return', {}) =20 -jobs =3D vm.qmp('query-block-jobs')['return'] -if jobs and jobs[0]['offset'] < jobs[0]['len']: - log('Backup job is still in progress') + # Emulate server down time for 1 second + time.sleep(1) =20 -vm.qmp_log('block-job-set-speed', device=3D'drive0', speed=3D0) + with qemu_nbd_popen('-k', nbd_sock, '-f', iotests.imgfmt, disk_b): + e =3D self.vm.event_wait('BLOCK_JOB_COMPLETED') + self.assertEqual(e['data']['offset'], size) + result =3D self.vm.qmp('blockdev-del', node_name=3D'backup0') + self.assert_qmp(result, 'return', {}) =20 -# Emulate server down time for 1 second -time.sleep(1) =20 -with qemu_nbd_popen('-k', nbd_sock, '-f', iotests.imgfmt, disk_b): - e =3D vm.event_wait('BLOCK_JOB_COMPLETED') - log('Backup completed: {}'.format(e['data']['offset'])) - vm.qmp_log('blockdev-del', node_name=3D'backup0') - vm.shutdown() +if __name__ =3D=3D '__main__': + iotests.main(supported_fmts=3D['qcow2']) diff --git a/tests/qemu-iotests/264.out b/tests/qemu-iotests/264.out index c45b1e81ef..ae1213e6f8 100644 --- a/tests/qemu-iotests/264.out +++ b/tests/qemu-iotests/264.out @@ -1,15 +1,5 @@ -Start NBD server -{"execute": "blockdev-add", "arguments": {"driver": "raw", "file": {"drive= r": "nbd", "reconnect-delay": 10, "server": {"path": "TEST_DIR/PID-nbd-sock= ", "type": "unix"}}, "node-name": "backup0"}} -{"return": {}} -{"execute": "blockdev-backup", "arguments": {"device": "drive0", "speed": = 1048576, "sync": "full", "target": "backup0"}} -{"return": {}} -Backup job is started -Kill NBD server -Backup job is still in progress -{"execute": "block-job-set-speed", "arguments": {"device": "drive0", "spee= d": 0}} -{"return": {}} -Start NBD server -Backup completed: 5242880 -{"execute": "blockdev-del", "arguments": {"node-name": "backup0"}} 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Signed-off-by: Vladimir Sementsov-Ogievskiy Reviewed-by: Eric Blake --- tests/qemu-iotests/iotests.py | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/tests/qemu-iotests/iotests.py b/tests/qemu-iotests/iotests.py index 00be68eca3..4e758308f2 100644 --- a/tests/qemu-iotests/iotests.py +++ b/tests/qemu-iotests/iotests.py @@ -296,7 +296,9 @@ def qemu_nbd_list_log(*args: str) -> str: @contextmanager def qemu_nbd_popen(*args): '''Context manager running qemu-nbd within the context''' - pid_file =3D file_path("pid") + pid_file =3D file_path("qemu_nbd_popen-nbd-pid-file") + + assert not os.path.exists(pid_file) =20 cmd =3D list(qemu_nbd_args) cmd.extend(('--persistent', '--pid-file', pid_file)) @@ -314,6 +316,8 @@ def qemu_nbd_popen(*args): time.sleep(0.01) yield finally: + if os.path.exists(pid_file): + os.remove(pid_file) log('Kill NBD server') p.kill() p.wait() --=20 2.29.2 From nobody Sat May 18 18:13:06 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; 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dkim=none (message not signed) header.d=none;nongnu.org; dmarc=none action=none header.from=virtuozzo.com; From: Vladimir Sementsov-Ogievskiy To: qemu-block@nongnu.org Cc: qemu-devel@nongnu.org, eblake@redhat.com, fam@euphon.net, stefanha@redhat.com, mreitz@redhat.com, kwolf@redhat.com, vsementsov@virtuozzo.com, jsnow@redhat.com, den@openvz.org Subject: [PATCH v2 08/10] iotests/264: add mirror-cancel test-case Date: Fri, 5 Feb 2021 19:37:18 +0300 Message-Id: <20210205163720.887197-9-vsementsov@virtuozzo.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210205163720.887197-1-vsementsov@virtuozzo.com> References: <20210205163720.887197-1-vsementsov@virtuozzo.com> Content-Transfer-Encoding: quoted-printable X-Originating-IP: [185.215.60.213] X-ClientProxiedBy: AM9P193CA0029.EURP193.PROD.OUTLOOK.COM (2603:10a6:20b:21e::34) To AM7PR08MB5494.eurprd08.prod.outlook.com (2603:10a6:20b:dc::15) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 8bd594fc-b40a-4f97-e022-08d8c9f45b2f X-MS-TrafficTypeDiagnostic: AM6PR08MB4470: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:172; 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=40.107.2.92; envelope-from=vsementsov@virtuozzo.com; helo=EUR02-VE1-obe.outbound.protection.outlook.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, MSGID_FROM_MTA_HEADER=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @virtuozzo.com) Content-Type: text/plain; charset="utf-8" Check that cancel doesn't wait for 10s of nbd reconnect timeout. Signed-off-by: Vladimir Sementsov-Ogievskiy Reviewed-by: Eric Blake --- tests/qemu-iotests/264 | 38 ++++++++++++++++++++++++++++++-------- tests/qemu-iotests/264.out | 4 ++-- 2 files changed, 32 insertions(+), 10 deletions(-) diff --git a/tests/qemu-iotests/264 b/tests/qemu-iotests/264 index 6feeaa4056..347e53add5 100755 --- a/tests/qemu-iotests/264 +++ b/tests/qemu-iotests/264 @@ -27,25 +27,26 @@ from iotests import qemu_img_create, file_path, qemu_nb= d_popen =20 disk_a, disk_b, nbd_sock =3D file_path('disk_a', 'disk_b', 'nbd-sock') nbd_uri =3D 'nbd+unix:///?socket=3D' + nbd_sock -size =3D 5 * 1024 * 1024 wait_limit =3D 3.0 wait_step =3D 0.2 =20 =20 class TestNbdReconnect(iotests.QMPTestCase): - def setUp(self): - qemu_img_create('-f', iotests.imgfmt, disk_a, str(size)) - qemu_img_create('-f', iotests.imgfmt, disk_b, str(size)) + def init_vm(self, disk_size): + qemu_img_create('-f', iotests.imgfmt, disk_a, str(disk_size)) + qemu_img_create('-f', iotests.imgfmt, disk_b, str(disk_size)) self.vm =3D iotests.VM().add_drive(disk_a) self.vm.launch() - self.vm.hmp_qemu_io('drive0', 'write 0 {}'.format(size)) + self.vm.hmp_qemu_io('drive0', 'write 0 {}'.format(disk_size)) =20 def tearDown(self): self.vm.shutdown() os.remove(disk_a) os.remove(disk_b) =20 - def test(self): + def start_job(self, job): + """Stat job with nbd target and kill the server""" + assert job in ('blockdev-backup', 'blockdev-mirror') with qemu_nbd_popen('-k', nbd_sock, '-f', iotests.imgfmt, disk_b): result =3D self.vm.qmp('blockdev-add', **{'node_name': 'backup0', @@ -55,7 +56,7 @@ class TestNbdReconnect(iotests.QMPTestCase): 'path': nbd_sock}, 'reconnect-delay': 10}}) self.assert_qmp(result, 'return', {}) - result =3D self.vm.qmp('blockdev-backup', device=3D'drive0', + result =3D self.vm.qmp(job, device=3D'drive0', sync=3D'full', target=3D'backup0', speed=3D(1 * 1024 * 1024)) self.assert_qmp(result, 'return', {}) @@ -73,7 +74,8 @@ class TestNbdReconnect(iotests.QMPTestCase): =20 jobs =3D self.vm.qmp('query-block-jobs')['return'] # Check that job is still in progress - self.assertTrue(jobs and jobs[0]['offset'] < jobs[0]['len']) + self.assertTrue(jobs) + self.assertTrue(jobs[0]['offset'] < jobs[0]['len']) =20 result =3D self.vm.qmp('block-job-set-speed', device=3D'drive0', s= peed=3D0) self.assert_qmp(result, 'return', {}) @@ -81,12 +83,32 @@ class TestNbdReconnect(iotests.QMPTestCase): # Emulate server down time for 1 second time.sleep(1) =20 + def test_backup(self): + size =3D 5 * 1024 * 1024 + self.init_vm(size) + self.start_job('blockdev-backup') + with qemu_nbd_popen('-k', nbd_sock, '-f', iotests.imgfmt, disk_b): e =3D self.vm.event_wait('BLOCK_JOB_COMPLETED') self.assertEqual(e['data']['offset'], size) result =3D self.vm.qmp('blockdev-del', node_name=3D'backup0') self.assert_qmp(result, 'return', {}) =20 + def test_mirror_cancel(self): + # Mirror speed limit doesn't work well enough, it seems that mirror + # will run many parallel requests anyway. MAX_IN_FLIGHT is 16 and + # MAX_IO_BYTES is 1M in mirror.c, so let's use 20M disk. + self.init_vm(20 * 1024 * 1024) + self.start_job('blockdev-mirror') + + result =3D self.vm.qmp('block-job-cancel', device=3D'drive0') + self.assert_qmp(result, 'return', {}) + + start_t =3D time.time() + self.vm.event_wait('BLOCK_JOB_CANCELLED') + delta_t =3D time.time() - start_t + self.assertTrue(delta_t < 2.0) + =20 if __name__ =3D=3D '__main__': iotests.main(supported_fmts=3D['qcow2']) diff --git a/tests/qemu-iotests/264.out b/tests/qemu-iotests/264.out index ae1213e6f8..fbc63e62f8 100644 --- a/tests/qemu-iotests/264.out +++ b/tests/qemu-iotests/264.out @@ -1,5 +1,5 @@ -. +.. ---------------------------------------------------------------------- -Ran 1 tests +Ran 2 tests =20 OK --=20 2.29.2 From nobody Sat May 18 18:13:06 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; 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dkim=none (message not signed) header.d=none;nongnu.org; dmarc=none action=none header.from=virtuozzo.com; From: Vladimir Sementsov-Ogievskiy To: qemu-block@nongnu.org Cc: qemu-devel@nongnu.org, eblake@redhat.com, fam@euphon.net, stefanha@redhat.com, mreitz@redhat.com, kwolf@redhat.com, vsementsov@virtuozzo.com, jsnow@redhat.com, den@openvz.org Subject: [PATCH v2 09/10] block/backup: implement .cancel job handler Date: Fri, 5 Feb 2021 19:37:19 +0300 Message-Id: <20210205163720.887197-10-vsementsov@virtuozzo.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210205163720.887197-1-vsementsov@virtuozzo.com> References: <20210205163720.887197-1-vsementsov@virtuozzo.com> Content-Transfer-Encoding: quoted-printable X-Originating-IP: [185.215.60.213] X-ClientProxiedBy: AM9P193CA0029.EURP193.PROD.OUTLOOK.COM (2603:10a6:20b:21e::34) To AM7PR08MB5494.eurprd08.prod.outlook.com (2603:10a6:20b:dc::15) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 6c6ffa23-fcf7-4091-d261-08d8c9f45bc5 X-MS-TrafficTypeDiagnostic: AM6PR08MB4470: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:514; 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=40.107.2.92; envelope-from=vsementsov@virtuozzo.com; helo=EUR02-VE1-obe.outbound.protection.outlook.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, MSGID_FROM_MTA_HEADER=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @virtuozzo.com) Content-Type: text/plain; charset="utf-8" Cancel in-flight io on target to not waste the time. Signed-off-by: Vladimir Sementsov-Ogievskiy Reviewed-by: Eric Blake --- block/backup.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/block/backup.c b/block/backup.c index cc525d5544..94e6dcd72e 100644 --- a/block/backup.c +++ b/block/backup.c @@ -35,6 +35,7 @@ typedef struct BackupBlockJob { BlockJob common; BlockDriverState *backup_top; BlockDriverState *source_bs; + BlockDriverState *target_bs; =20 BdrvDirtyBitmap *sync_bitmap; =20 @@ -329,6 +330,13 @@ static void coroutine_fn backup_set_speed(BlockJob *jo= b, int64_t speed) } } =20 +static void backup_cancel(Job *job) +{ + BackupBlockJob *s =3D container_of(job, BackupBlockJob, common.job); + + bdrv_cancel_in_flight(s->target_bs); +} + static const BlockJobDriver backup_job_driver =3D { .job_driver =3D { .instance_size =3D sizeof(BackupBlockJob), @@ -340,6 +348,7 @@ static const BlockJobDriver backup_job_driver =3D { .abort =3D backup_abort, .clean =3D backup_clean, .pause =3D backup_pause, + .cancel =3D backup_cancel, }, .set_speed =3D backup_set_speed, }; @@ -528,6 +537,7 @@ BlockJob *backup_job_create(const char *job_id, BlockDr= iverState *bs, =20 job->backup_top =3D backup_top; job->source_bs =3D bs; + job->target_bs =3D target; job->on_source_error =3D on_source_error; job->on_target_error =3D on_target_error; job->sync_mode =3D sync_mode; --=20 2.29.2 From nobody Sat May 18 18:13:06 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; arc=pass (i=1dmarc=pass fromdomain=virtuozzo.com); dmarc=pass(p=quarantine dis=none) header.from=virtuozzo.com ARC-Seal: i=2; a=rsa-sha256; t=1612543639; cv=pass; d=zohomail.com; s=zohoarc; b=mVZVuRSYQbMmJXXzAtUZ5JS20/RjH/LmZj/Rpq1E6PC9ad3t8tuh66B2oiH5HlPvqYtyTig5kkRFojXxH/405OhOAjoE/9E/jwyny7EqLG+NnpHVrgkR6fHu92rOlJ40UcmF0K32dI7asigrvWEEyYhi12iIg03/WefNyblbiLw= ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=40.107.22.129; envelope-from=vsementsov@virtuozzo.com; helo=EUR05-AM6-obe.outbound.protection.outlook.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, MSGID_FROM_MTA_HEADER=0.001, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @virtuozzo.com) Content-Type: text/plain; charset="utf-8" Check that cancel doesn't wait for 10s of nbd reconnect timeout. Signed-off-by: Vladimir Sementsov-Ogievskiy Reviewed-by: Eric Blake --- tests/qemu-iotests/264 | 21 ++++++++++++++------- tests/qemu-iotests/264.out | 4 ++-- 2 files changed, 16 insertions(+), 9 deletions(-) diff --git a/tests/qemu-iotests/264 b/tests/qemu-iotests/264 index 347e53add5..4f96825a22 100755 --- a/tests/qemu-iotests/264 +++ b/tests/qemu-iotests/264 @@ -94,13 +94,7 @@ class TestNbdReconnect(iotests.QMPTestCase): result =3D self.vm.qmp('blockdev-del', node_name=3D'backup0') self.assert_qmp(result, 'return', {}) =20 - def test_mirror_cancel(self): - # Mirror speed limit doesn't work well enough, it seems that mirror - # will run many parallel requests anyway. MAX_IN_FLIGHT is 16 and - # MAX_IO_BYTES is 1M in mirror.c, so let's use 20M disk. - self.init_vm(20 * 1024 * 1024) - self.start_job('blockdev-mirror') - + def cancel_job(self): result =3D self.vm.qmp('block-job-cancel', device=3D'drive0') self.assert_qmp(result, 'return', {}) =20 @@ -109,6 +103,19 @@ class TestNbdReconnect(iotests.QMPTestCase): delta_t =3D time.time() - start_t self.assertTrue(delta_t < 2.0) =20 + def test_mirror_cancel(self): + # Mirror speed limit doesn't work well enough, it seems that mirror + # will run many parallel requests anyway. MAX_IN_FLIGHT is 16 and + # MAX_IO_BYTES is 1M in mirror.c, so let's use 20M disk. + self.init_vm(20 * 1024 * 1024) + self.start_job('blockdev-mirror') + self.cancel_job() + + def test_backup_cancel(self): + self.init_vm(5 * 1024 * 1024) + self.start_job('blockdev-backup') + self.cancel_job() + =20 if __name__ =3D=3D '__main__': iotests.main(supported_fmts=3D['qcow2']) diff --git a/tests/qemu-iotests/264.out b/tests/qemu-iotests/264.out index fbc63e62f8..8d7e996700 100644 --- a/tests/qemu-iotests/264.out +++ b/tests/qemu-iotests/264.out @@ -1,5 +1,5 @@ -.. +... ---------------------------------------------------------------------- -Ran 2 tests +Ran 3 tests =20 OK --=20 2.29.2