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Mon, 23 Jul 2018 22:22:11 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.2]); Mon, 23 Jul 2018 22:22:11 +0000 (UTC) for IP:'10.11.54.4' DOMAIN:'int-mx04.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'jsnow@redhat.com' RCPT:'' X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 66.187.233.73 Subject: [Qemu-devel] [PATCH for-3.0 1/7] iotests: 169: drop deprecated 'autoload' parameter X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , Vladimir Sementsov-Ogievskiy , Fam Zheng , Juan Quintela , qemu-stable@nongnu.org, "Dr. David Alan Gilbert" , Stefan Hajnoczi , Max Reitz , John Snow Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Vladimir Sementsov-Ogievskiy Signed-off-by: Vladimir Sementsov-Ogievskiy Reviewed-by: John Snow Message-id: 20180626135035.133432-2-vsementsov@virtuozzo.com Signed-off-by: John Snow Reviewed-by: Stefan Hajnoczi --- tests/qemu-iotests/169 | 1 - 1 file changed, 1 deletion(-) diff --git a/tests/qemu-iotests/169 b/tests/qemu-iotests/169 index f243db9955..df408f8367 100755 --- a/tests/qemu-iotests/169 +++ b/tests/qemu-iotests/169 @@ -58,7 +58,6 @@ class TestDirtyBitmapMigration(iotests.QMPTestCase): 'granularity': granularity} if persistent: params['persistent'] =3D True - params['autoload'] =3D True =20 result =3D vm.qmp('block-dirty-bitmap-add', **params) self.assert_qmp(result, 'return', {}); --=20 2.14.4 From nobody Wed Nov 5 02:32:57 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; 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Mon, 23 Jul 2018 18:22:12 -0400 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.rdu2.redhat.com [10.11.54.4]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 3C7D7401EF07; Mon, 23 Jul 2018 22:22:12 +0000 (UTC) Received: from probe.bos.redhat.com (dhcp-17-177.bos.redhat.com [10.18.17.177]) by smtp.corp.redhat.com (Postfix) with ESMTP id CBD1120290B6; Mon, 23 Jul 2018 22:22:11 +0000 (UTC) From: John Snow To: qemu-devel@nongnu.org, qemu-block@nongnu.org Date: Mon, 23 Jul 2018 18:22:05 -0400 Message-Id: <20180723222210.11077-3-jsnow@redhat.com> In-Reply-To: <20180723222210.11077-1-jsnow@redhat.com> References: <20180723222210.11077-1-jsnow@redhat.com> X-Scanned-By: MIMEDefang 2.78 on 10.11.54.4 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.5]); Mon, 23 Jul 2018 22:22:12 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.5]); Mon, 23 Jul 2018 22:22:12 +0000 (UTC) for IP:'10.11.54.4' DOMAIN:'int-mx04.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'jsnow@redhat.com' RCPT:'' X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 66.187.233.73 Subject: [Qemu-devel] [PATCH for-3.0 2/7] block/qcow2: improve error message in qcow2_inactivate X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , Vladimir Sementsov-Ogievskiy , Fam Zheng , Juan Quintela , qemu-stable@nongnu.org, "Dr. David Alan Gilbert" , Stefan Hajnoczi , Max Reitz , John Snow Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Vladimir Sementsov-Ogievskiy Signed-off-by: Vladimir Sementsov-Ogievskiy Signed-off-by: John Snow Reviewed-by: Stefan Hajnoczi --- block/qcow2.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/block/qcow2.c b/block/qcow2.c index 6162ed8be2..7444133ccd 100644 --- a/block/qcow2.c +++ b/block/qcow2.c @@ -2127,9 +2127,9 @@ static int qcow2_inactivate(BlockDriverState *bs) qcow2_store_persistent_dirty_bitmaps(bs, &local_err); if (local_err !=3D NULL) { result =3D -EINVAL; - error_report_err(local_err); - error_report("Persistent bitmaps are lost for node '%s'", - bdrv_get_device_or_node_name(bs)); + error_reportf_err(local_err, "Lost persistent bitmaps during " + "inactivation of node '%s': ", + bdrv_get_device_or_node_name(bs)); } =20 ret =3D qcow2_cache_flush(bs, s->l2_table_cache); --=20 2.14.4 From nobody Wed Nov 5 02:32:57 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1532384851078730.1279083579981; 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Mon, 23 Jul 2018 22:22:12 +0000 (UTC) Received: from probe.bos.redhat.com (dhcp-17-177.bos.redhat.com [10.18.17.177]) by smtp.corp.redhat.com (Postfix) with ESMTP id 3C38D20290B3; Mon, 23 Jul 2018 22:22:12 +0000 (UTC) From: John Snow To: qemu-devel@nongnu.org, qemu-block@nongnu.org Date: Mon, 23 Jul 2018 18:22:06 -0400 Message-Id: <20180723222210.11077-4-jsnow@redhat.com> In-Reply-To: <20180723222210.11077-1-jsnow@redhat.com> References: <20180723222210.11077-1-jsnow@redhat.com> X-Scanned-By: MIMEDefang 2.78 on 10.11.54.4 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.7]); Mon, 23 Jul 2018 22:22:12 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.7]); Mon, 23 Jul 2018 22:22:12 +0000 (UTC) for IP:'10.11.54.4' DOMAIN:'int-mx04.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'jsnow@redhat.com' RCPT:'' X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 66.187.233.73 Subject: [Qemu-devel] [PATCH for-3.0 3/7] block/qcow2: drop dirty_bitmaps_loaded state variable X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , Vladimir Sementsov-Ogievskiy , Fam Zheng , Juan Quintela , qemu-stable@nongnu.org, "Dr. David Alan Gilbert" , Stefan Hajnoczi , Max Reitz , John Snow Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Vladimir Sementsov-Ogievskiy This variable doesn't work as it should, because it is actually cleared in qcow2_co_invalidate_cache() by memset(). Drop it, as the following patch will introduce new behavior. Signed-off-by: Vladimir Sementsov-Ogievskiy Reviewed-by: John Snow Signed-off-by: John Snow Reviewed-by: Stefan Hajnoczi --- block/qcow2.c | 19 ++----------------- block/qcow2.h | 1 - 2 files changed, 2 insertions(+), 18 deletions(-) diff --git a/block/qcow2.c b/block/qcow2.c index 7444133ccd..72d4e67b99 100644 --- a/block/qcow2.c +++ b/block/qcow2.c @@ -1157,7 +1157,6 @@ static int coroutine_fn qcow2_do_open(BlockDriverStat= e *bs, QDict *options, uint64_t ext_end; uint64_t l1_vm_state_index; bool update_header =3D false; - bool header_updated =3D false; =20 ret =3D bdrv_pread(bs->file, 0, &header, sizeof(header)); if (ret < 0) { @@ -1496,23 +1495,9 @@ static int coroutine_fn qcow2_do_open(BlockDriverSta= te *bs, QDict *options, s->autoclear_features &=3D QCOW2_AUTOCLEAR_MASK; } =20 - if (s->dirty_bitmaps_loaded) { - /* It's some kind of reopen. There are no known cases where we nee= d to - * reload bitmaps in such a situation, so it's safer to skip them. - * - * Moreover, if we have some readonly bitmaps and we are reopening= for - * rw we should reopen bitmaps correspondingly. - */ - if (bdrv_has_readonly_bitmaps(bs) && - !bdrv_is_read_only(bs) && !(bdrv_get_flags(bs) & BDRV_O_INACTI= VE)) - { - qcow2_reopen_bitmaps_rw_hint(bs, &header_updated, &local_err); - } - } else { - header_updated =3D qcow2_load_dirty_bitmaps(bs, &local_err); - s->dirty_bitmaps_loaded =3D true; + if (qcow2_load_dirty_bitmaps(bs, &local_err)) { + update_header =3D false; } - update_header =3D update_header && !header_updated; if (local_err !=3D NULL) { error_propagate(errp, local_err); ret =3D -EINVAL; diff --git a/block/qcow2.h b/block/qcow2.h index 81b844e936..4b4e61fe61 100644 --- a/block/qcow2.h +++ b/block/qcow2.h @@ -295,7 +295,6 @@ typedef struct BDRVQcow2State { uint32_t nb_bitmaps; uint64_t bitmap_directory_size; uint64_t bitmap_directory_offset; - bool dirty_bitmaps_loaded; =20 int flags; int qcow_version; --=20 2.14.4 From nobody Wed Nov 5 02:32:57 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (208.118.235.17 [208.118.235.17]) by mx.zohomail.com with SMTPS id 1532384677220246.6998573013134; Mon, 23 Jul 2018 15:24:37 -0700 (PDT) Received: from localhost ([::1]:37132 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fhjFj-0003Lc-TK for importer@patchew.org; Mon, 23 Jul 2018 18:24:27 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:45701) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fhjDf-00026D-D9 for qemu-devel@nongnu.org; Mon, 23 Jul 2018 18:22:20 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fhjDe-0007vb-K4 for qemu-devel@nongnu.org; Mon, 23 Jul 2018 18:22:19 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:53520 helo=mx1.redhat.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fhjDZ-0007rN-Bi; Mon, 23 Jul 2018 18:22:13 -0400 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.rdu2.redhat.com [10.11.54.4]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 053FD7D84D; Mon, 23 Jul 2018 22:22:13 +0000 (UTC) Received: from probe.bos.redhat.com (dhcp-17-177.bos.redhat.com [10.18.17.177]) by smtp.corp.redhat.com (Postfix) with ESMTP id A092E20290B2; Mon, 23 Jul 2018 22:22:12 +0000 (UTC) From: John Snow To: qemu-devel@nongnu.org, qemu-block@nongnu.org Date: Mon, 23 Jul 2018 18:22:07 -0400 Message-Id: <20180723222210.11077-5-jsnow@redhat.com> In-Reply-To: <20180723222210.11077-1-jsnow@redhat.com> References: <20180723222210.11077-1-jsnow@redhat.com> X-Scanned-By: MIMEDefang 2.78 on 10.11.54.4 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.2]); Mon, 23 Jul 2018 22:22:13 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.2]); Mon, 23 Jul 2018 22:22:13 +0000 (UTC) for IP:'10.11.54.4' DOMAIN:'int-mx04.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'jsnow@redhat.com' RCPT:'' X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 66.187.233.73 Subject: [Qemu-devel] [PATCH for-3.0 4/7] iotests: 169: actually test block migration X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , Fam Zheng , Juan Quintela , qemu-stable@nongnu.org, "Dr. David Alan Gilbert" , Stefan Hajnoczi , Max Reitz , John Snow Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Presently, we emulate a block migration by just using a different target file. Update the test to actually request a block migration. Signed-off-by: John Snow Reviewed-by: Stefan Hajnoczi --- tests/qemu-iotests/169 | 3 +++ 1 file changed, 3 insertions(+) diff --git a/tests/qemu-iotests/169 b/tests/qemu-iotests/169 index df408f8367..87edc85f43 100755 --- a/tests/qemu-iotests/169 +++ b/tests/qemu-iotests/169 @@ -89,6 +89,9 @@ class TestDirtyBitmapMigration(iotests.QMPTestCase): mig_caps =3D [{'capability': 'events', 'state': True}] if migrate_bitmaps: mig_caps.append({'capability': 'dirty-bitmaps', 'state': True}) + if not shared_storage: + mig_caps.append({'capability': 'block', 'state': True}) + =20 result =3D self.vm_a.qmp('migrate-set-capabilities', capabilities=3Dmig_caps) --=20 2.14.4 From nobody Wed Nov 5 02:32:57 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1532384843088728.819374884764; Mon, 23 Jul 2018 15:27:23 -0700 (PDT) Received: from localhost ([::1]:37154 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fhjIX-0006LO-VB for importer@patchew.org; Mon, 23 Jul 2018 18:27:22 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:45746) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fhjDg-00027M-Eg for qemu-devel@nongnu.org; Mon, 23 Jul 2018 18:22:22 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fhjDf-0007vz-3s for qemu-devel@nongnu.org; Mon, 23 Jul 2018 18:22:20 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:50160 helo=mx1.redhat.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fhjDZ-0007sO-Qb; Mon, 23 Jul 2018 18:22:13 -0400 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.rdu2.redhat.com [10.11.54.4]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 6AE4587A73; Mon, 23 Jul 2018 22:22:13 +0000 (UTC) Received: from probe.bos.redhat.com (dhcp-17-177.bos.redhat.com [10.18.17.177]) by smtp.corp.redhat.com (Postfix) with ESMTP id 0D65620290B2; Mon, 23 Jul 2018 22:22:13 +0000 (UTC) From: John Snow To: qemu-devel@nongnu.org, qemu-block@nongnu.org Date: Mon, 23 Jul 2018 18:22:08 -0400 Message-Id: <20180723222210.11077-6-jsnow@redhat.com> In-Reply-To: <20180723222210.11077-1-jsnow@redhat.com> References: <20180723222210.11077-1-jsnow@redhat.com> X-Scanned-By: MIMEDefang 2.78 on 10.11.54.4 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.1]); Mon, 23 Jul 2018 22:22:13 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.1]); Mon, 23 Jul 2018 22:22:13 +0000 (UTC) for IP:'10.11.54.4' DOMAIN:'int-mx04.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'jsnow@redhat.com' RCPT:'' X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 66.187.233.73 Subject: [Qemu-devel] [PATCH for-3.0 5/7] dirty-bitmaps: clean-up bitmaps loading and migration logic X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , Vladimir Sementsov-Ogievskiy , Fam Zheng , Juan Quintela , qemu-stable@nongnu.org, "Dr. David Alan Gilbert" , Stefan Hajnoczi , Max Reitz , John Snow Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" This patch aims to bring the following behavior: 1. Bitmaps are not loaded on open if BDRV_O_INACTIVE is set, which occurs for incoming migration cases. We will load these persistent bitmaps on invalidate instead. 2. Regardless of the migration circumstances, persistent bitmaps are always flushed to disk on inactivate or close. 3. Bitmaps are read from disk and loaded into memory on any invalidation: A) Normal, RW open B) Migration target invalidation: With or without dirty-bitmaps capability, any bitmaps found on-disk will be loaded. C) Migration source invalidation: If the migration fails and the source QEMU is resumed, it will re-load bitmaps from disk. 4. When using the dirty-bitmaps migration capability, persistent bitmaps are skipped if we are performing a shared storage migration. The destination QEMU will load them from disk on invalidate. (Transient, non-persistent bitmaps still get migrated.) For block migrations, persistent bitmaps are both flushed to disk on the source and migrated live across the migration channel. 5. Persistent bitmaps are not unloaded from memory in the inactivate handler. Instead, they are removed on-store which occurs during inactivate. The effect is functionally the same, but keeps bitmap management more inside the module. Signed-off-by: Vladimir Sementsov-Ogievskiy Signed-off-by: John Snow Reviewed-by: Stefan Hajnoczi --- block.c | 4 ---- block/dirty-bitmap.c | 20 -------------------- block/qcow2-bitmap.c | 16 ++++++++++++++++ block/qcow2.c | 5 +++-- include/block/dirty-bitmap.h | 2 +- migration/block-dirty-bitmap.c | 11 ++++++----- 6 files changed, 26 insertions(+), 32 deletions(-) diff --git a/block.c b/block.c index a2fe05ea96..f16bf106d1 100644 --- a/block.c +++ b/block.c @@ -4497,10 +4497,6 @@ static int bdrv_inactivate_recurse(BlockDriverState = *bs, } } =20 - /* At this point persistent bitmaps should be already stored by the fo= rmat - * driver */ - bdrv_release_persistent_dirty_bitmaps(bs); - return 0; } =20 diff --git a/block/dirty-bitmap.c b/block/dirty-bitmap.c index c9b8a6fd52..e44061fe2e 100644 --- a/block/dirty-bitmap.c +++ b/block/dirty-bitmap.c @@ -383,26 +383,6 @@ void bdrv_release_named_dirty_bitmaps(BlockDriverState= *bs) bdrv_dirty_bitmaps_unlock(bs); } =20 -/** - * Release all persistent dirty bitmaps attached to a BDS (for use in - * bdrv_inactivate_recurse()). - * There must not be any frozen bitmaps attached. - * This function does not remove persistent bitmaps from the storage. - * Called with BQL taken. - */ -void bdrv_release_persistent_dirty_bitmaps(BlockDriverState *bs) -{ - BdrvDirtyBitmap *bm, *next; - - bdrv_dirty_bitmaps_lock(bs); - QLIST_FOREACH_SAFE(bm, &bs->dirty_bitmaps, list, next) { - if (bdrv_dirty_bitmap_get_persistance(bm)) { - bdrv_release_dirty_bitmap_locked(bm); - } - } - bdrv_dirty_bitmaps_unlock(bs); -} - /** * Remove persistent dirty bitmap from the storage if it exists. * Absence of bitmap is not an error, because we have the following scenar= io: diff --git a/block/qcow2-bitmap.c b/block/qcow2-bitmap.c index ba978ad2aa..b5f1b3563d 100644 --- a/block/qcow2-bitmap.c +++ b/block/qcow2-bitmap.c @@ -1418,6 +1418,22 @@ void qcow2_store_persistent_dirty_bitmaps(BlockDrive= rState *bs, Error **errp) g_free(tb); } =20 + QSIMPLEQ_FOREACH(bm, bm_list, entry) { + /* For safety, we remove bitmap after storing. + * We may be here in two cases: + * 1. bdrv_close. It's ok to drop bitmap. + * 2. inactivation. It means migration without 'dirty-bitmaps' + * capability, so bitmaps are not marked with + * BdrvDirtyBitmap.migration flags. It's not bad to drop them t= oo, + * and reload on invalidation. + */ + if (bm->dirty_bitmap =3D=3D NULL) { + continue; + } + + bdrv_release_dirty_bitmap(bs, bm->dirty_bitmap); + } + bitmap_list_free(bm_list); return; =20 diff --git a/block/qcow2.c b/block/qcow2.c index 72d4e67b99..b958cec83d 100644 --- a/block/qcow2.c +++ b/block/qcow2.c @@ -1495,8 +1495,9 @@ static int coroutine_fn qcow2_do_open(BlockDriverStat= e *bs, QDict *options, s->autoclear_features &=3D QCOW2_AUTOCLEAR_MASK; } =20 - if (qcow2_load_dirty_bitmaps(bs, &local_err)) { - update_header =3D false; + if (!(bdrv_get_flags(bs) & BDRV_O_INACTIVE)) { + bool header_updated =3D qcow2_load_dirty_bitmaps(bs, &local_err); + update_header =3D update_header && !header_updated; } if (local_err !=3D NULL) { error_propagate(errp, local_err); diff --git a/include/block/dirty-bitmap.h b/include/block/dirty-bitmap.h index 259bd27c40..95c7847ec6 100644 --- a/include/block/dirty-bitmap.h +++ b/include/block/dirty-bitmap.h @@ -26,7 +26,6 @@ BdrvDirtyBitmap *bdrv_find_dirty_bitmap(BlockDriverState = *bs, const char *name); void bdrv_release_dirty_bitmap(BlockDriverState *bs, BdrvDirtyBitmap *bitm= ap); void bdrv_release_named_dirty_bitmaps(BlockDriverState *bs); -void bdrv_release_persistent_dirty_bitmaps(BlockDriverState *bs); void bdrv_remove_persistent_dirty_bitmap(BlockDriverState *bs, const char *name, Error **errp); @@ -72,6 +71,7 @@ void bdrv_dirty_bitmap_set_persistance(BdrvDirtyBitmap *b= itmap, void bdrv_dirty_bitmap_set_qmp_locked(BdrvDirtyBitmap *bitmap, bool qmp_lo= cked); void bdrv_merge_dirty_bitmap(BdrvDirtyBitmap *dest, const BdrvDirtyBitmap = *src, Error **errp); +void bdrv_dirty_bitmap_set_migration(BdrvDirtyBitmap *bitmap, bool migrati= on); =20 /* Functions that require manual locking. */ void bdrv_dirty_bitmap_lock(BdrvDirtyBitmap *bitmap); diff --git a/migration/block-dirty-bitmap.c b/migration/block-dirty-bitmap.c index 477826330c..dac8270d1f 100644 --- a/migration/block-dirty-bitmap.c +++ b/migration/block-dirty-bitmap.c @@ -295,6 +295,12 @@ static int init_dirty_bitmap_migration(void) continue; } =20 + /* Skip persistant bitmaps, unless it's a block migration: */ + if (bdrv_dirty_bitmap_get_persistance(bitmap) && + !migrate_use_block()) { + continue; + } + if (drive_name =3D=3D NULL) { error_report("Found bitmap '%s' in unnamed node %p. It can= 't " "be migrated", bdrv_dirty_bitmap_name(bitmap)= , bs); @@ -335,11 +341,6 @@ static int init_dirty_bitmap_migration(void) } } =20 - /* unset persistance here, to not roll back it */ - QSIMPLEQ_FOREACH(dbms, &dirty_bitmap_mig_state.dbms_list, entry) { - bdrv_dirty_bitmap_set_persistance(dbms->bitmap, false); - } - if (QSIMPLEQ_EMPTY(&dirty_bitmap_mig_state.dbms_list)) { dirty_bitmap_mig_state.no_bitmaps =3D true; } --=20 2.14.4 From nobody Wed Nov 5 02:32:57 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1532384702825110.6944044063523; Mon, 23 Jul 2018 15:25:02 -0700 (PDT) Received: from localhost ([::1]:37134 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fhjGH-0003lc-Nt for importer@patchew.org; Mon, 23 Jul 2018 18:25:01 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:45720) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fhjDf-00026T-SF for qemu-devel@nongnu.org; Mon, 23 Jul 2018 18:22:21 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fhjDe-0007vh-Nv for qemu-devel@nongnu.org; Mon, 23 Jul 2018 18:22:19 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:35502 helo=mx1.redhat.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fhjDa-0007tF-9y; Mon, 23 Jul 2018 18:22:14 -0400 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.rdu2.redhat.com [10.11.54.4]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id D467A407048B; Mon, 23 Jul 2018 22:22:13 +0000 (UTC) Received: from probe.bos.redhat.com (dhcp-17-177.bos.redhat.com [10.18.17.177]) by smtp.corp.redhat.com (Postfix) with ESMTP id 723AF20290B0; Mon, 23 Jul 2018 22:22:13 +0000 (UTC) From: John Snow To: qemu-devel@nongnu.org, qemu-block@nongnu.org Date: Mon, 23 Jul 2018 18:22:09 -0400 Message-Id: <20180723222210.11077-7-jsnow@redhat.com> In-Reply-To: <20180723222210.11077-1-jsnow@redhat.com> References: <20180723222210.11077-1-jsnow@redhat.com> X-Scanned-By: MIMEDefang 2.78 on 10.11.54.4 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.7]); Mon, 23 Jul 2018 22:22:13 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.7]); Mon, 23 Jul 2018 22:22:13 +0000 (UTC) for IP:'10.11.54.4' DOMAIN:'int-mx04.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'jsnow@redhat.com' RCPT:'' X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 66.187.233.73 Subject: [Qemu-devel] [PATCH for-3.0 6/7] iotests: improve 169 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , Vladimir Sementsov-Ogievskiy , Fam Zheng , Juan Quintela , qemu-stable@nongnu.org, "Dr. David Alan Gilbert" , Stefan Hajnoczi , Max Reitz , John Snow Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Vladimir Sementsov-Ogievskiy Before previous patch, iotest 169 was actually broken for the case test_persistent__not_migbitmap__offline_shared, while formally passing. After migration log of vm_b had message: qemu-system-x86_64: Could not reopen qcow2 layer: Bitmap already exists: bitmap0 which means that invalidation failed and bs->drv =3D NULL. It was because we've loaded bitmap twice: on open and on invalidation. Add code to 169, to catch such fails. Signed-off-by: Vladimir Sementsov-Ogievskiy Signed-off-by: John Snow Reviewed-by: Stefan Hajnoczi --- tests/qemu-iotests/169 | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/tests/qemu-iotests/169 b/tests/qemu-iotests/169 index 87edc85f43..24027da8e1 100755 --- a/tests/qemu-iotests/169 +++ b/tests/qemu-iotests/169 @@ -24,6 +24,7 @@ import time import itertools import operator import new +import re from iotests import qemu_img =20 =20 @@ -136,6 +137,16 @@ class TestDirtyBitmapMigration(iotests.QMPTestCase): =20 if should_migrate: self.vm_b.shutdown() + + # catch 'Could not reopen qcow2 layer: Bitmap already exists' + # possible error + log =3D self.vm_b.get_log() + log =3D re.sub(r'^\[I \d+\.\d+\] OPENED\n', '', log) + log =3D re.sub(r'Receiving block device images\n', '', log) + log =3D re.sub(r'Completed \d+ %\r?\n?', '', log) + log =3D re.sub(r'\[I \+\d+\.\d+\] CLOSED\n?$', '', log) + self.assertEqual(log, '') + # recreate vm_b, as we don't want -incoming option (this will = lead # to "cat" process left alive after test finish) self.vm_b =3D iotests.VM(path_suffix=3D'b') --=20 2.14.4 From nobody Wed Nov 5 02:32:57 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1532384714704689.0380336428541; Mon, 23 Jul 2018 15:25:14 -0700 (PDT) Received: from localhost ([::1]:37135 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fhjGT-0003ya-N6 for importer@patchew.org; Mon, 23 Jul 2018 18:25:13 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:45815) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fhjDi-0002AO-BT for qemu-devel@nongnu.org; Mon, 23 Jul 2018 18:22:23 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fhjDg-0007xN-TS for qemu-devel@nongnu.org; Mon, 23 Jul 2018 18:22:22 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:53522 helo=mx1.redhat.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fhjDa-0007tt-OL; Mon, 23 Jul 2018 18:22:14 -0400 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.rdu2.redhat.com [10.11.54.4]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 5D26D7D84D; Mon, 23 Jul 2018 22:22:14 +0000 (UTC) Received: from probe.bos.redhat.com (dhcp-17-177.bos.redhat.com [10.18.17.177]) by smtp.corp.redhat.com (Postfix) with ESMTP id DD8B720290B6; Mon, 23 Jul 2018 22:22:13 +0000 (UTC) From: John Snow To: qemu-devel@nongnu.org, qemu-block@nongnu.org Date: Mon, 23 Jul 2018 18:22:10 -0400 Message-Id: <20180723222210.11077-8-jsnow@redhat.com> In-Reply-To: <20180723222210.11077-1-jsnow@redhat.com> References: <20180723222210.11077-1-jsnow@redhat.com> X-Scanned-By: MIMEDefang 2.78 on 10.11.54.4 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.2]); Mon, 23 Jul 2018 22:22:14 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.2]); Mon, 23 Jul 2018 22:22:14 +0000 (UTC) for IP:'10.11.54.4' DOMAIN:'int-mx04.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'jsnow@redhat.com' RCPT:'' X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 66.187.233.73 Subject: [Qemu-devel] [PATCH for-3.0 7/7] iotests: 169: add cases for source vm resuming X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , Vladimir Sementsov-Ogievskiy , Fam Zheng , Juan Quintela , qemu-stable@nongnu.org, "Dr. David Alan Gilbert" , Stefan Hajnoczi , Max Reitz , John Snow Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Vladimir Sementsov-Ogievskiy Test that we can resume source vm after [failed] migration, and bitmaps are ok. Signed-off-by: Vladimir Sementsov-Ogievskiy Signed-off-by: John Snow Reviewed-by: Stefan Hajnoczi --- tests/qemu-iotests/169 | 59 ++++++++++++++++++++++++++++++++++++++++++= +++- tests/qemu-iotests/169.out | 4 ++-- 2 files changed, 60 insertions(+), 3 deletions(-) diff --git a/tests/qemu-iotests/169 b/tests/qemu-iotests/169 index 24027da8e1..9cd8853d3c 100755 --- a/tests/qemu-iotests/169 +++ b/tests/qemu-iotests/169 @@ -77,6 +77,57 @@ class TestDirtyBitmapMigration(iotests.QMPTestCase): self.assert_qmp(result, 'error/desc', "Dirty bitmap 'bitmap0' not found"); =20 + def do_test_migration_resume_source(self, persistent, migrate_bitmaps): + granularity =3D 512 + + # regions =3D ((start, count), ...) + regions =3D ((0, 0x10000), + (0xf0000, 0x10000), + (0xa0201, 0x1000)) + + mig_caps =3D [{'capability': 'events', 'state': True}] + if migrate_bitmaps: + mig_caps.append({'capability': 'dirty-bitmaps', 'state': True}) + + result =3D self.vm_a.qmp('migrate-set-capabilities', + capabilities=3Dmig_caps) + self.assert_qmp(result, 'return', {}) + + self.add_bitmap(self.vm_a, granularity, persistent) + for r in regions: + self.vm_a.hmp_qemu_io('drive0', 'write %d %d' % r) + sha256 =3D self.get_bitmap_hash(self.vm_a) + + result =3D self.vm_a.qmp('migrate', uri=3Dmig_cmd) + while True: + event =3D self.vm_a.event_wait('MIGRATION') + if event['data']['status'] =3D=3D 'completed': + break + + # test that bitmap is still here + self.check_bitmap(self.vm_a, False if persistent else sha256) + + self.vm_a.qmp('cont') + + # test that bitmap is still here after invalidation + self.check_bitmap(self.vm_a, sha256) + + # shutdown and check that invalidation didn't fail + self.vm_a.shutdown() + + # catch 'Could not reopen qcow2 layer: Bitmap already exists' + # possible error + log =3D self.vm_a.get_log() + log =3D re.sub(r'^\[I \d+\.\d+\] OPENED\n', '', log) + log =3D re.sub(r'^(wrote .* bytes at offset .*\n.*KiB.*ops.*sec.*\= n){3}', + '', log) + log =3D re.sub(r'\[I \+\d+\.\d+\] CLOSED\n?$', '', log) + self.assertEqual(log, '') + + # test that bitmap is still persistent + self.vm_a.launch() + self.check_bitmap(self.vm_a, sha256 if persistent else False) + def do_test_migration(self, persistent, migrate_bitmaps, online, shared_storage): granularity =3D 512 @@ -157,7 +208,7 @@ class TestDirtyBitmapMigration(iotests.QMPTestCase): =20 def inject_test_case(klass, name, method, *args, **kwargs): mc =3D operator.methodcaller(method, *args, **kwargs) - setattr(klass, 'test_' + name, new.instancemethod(mc, None, klass)) + setattr(klass, 'test_' + method + name, new.instancemethod(mc, None, k= lass)) =20 for cmb in list(itertools.product((True, False), repeat=3D4)): name =3D ('_' if cmb[0] else '_not_') + 'persistent_' @@ -168,6 +219,12 @@ for cmb in list(itertools.product((True, False), repea= t=3D4)): inject_test_case(TestDirtyBitmapMigration, name, 'do_test_migration', *list(cmb)) =20 +for cmb in list(itertools.product((True, False), repeat=3D2)): + name =3D ('_' if cmb[0] else '_not_') + 'persistent_' + name +=3D ('_' if cmb[1] else '_not_') + 'migbitmap' + + inject_test_case(TestDirtyBitmapMigration, name, + 'do_test_migration_resume_source', *list(cmb)) =20 if __name__ =3D=3D '__main__': iotests.main(supported_fmts=3D['qcow2']) diff --git a/tests/qemu-iotests/169.out b/tests/qemu-iotests/169.out index b6f257674e..3a89159833 100644 --- a/tests/qemu-iotests/169.out +++ b/tests/qemu-iotests/169.out @@ -1,5 +1,5 @@ -................ +.................... ---------------------------------------------------------------------- -Ran 16 tests +Ran 20 tests =20 OK --=20 2.14.4