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Tue, 7 Apr 2020 14:26:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1586269622; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=MdR86qhHe1uxu++4yPJ0hB+9l58TZF1dgQH78D6dqRQ=; b=HewoupjShwoOWvkw+xDRbd/w68Nw468TADgtAdSJiULWN1u9rx95ABoNeGJOLZGkDLKid3 bshWvzeCrpB59dNvKnkSECOQ1kYK4luYLk7yOCkOL5a9VSLXRd9kSxHWMOmIN2qLGLEfF1 qo/n71ZfTpilk8wkIZ5qIS37uGwZCmU= X-MC-Unique: O-AYAPH6OKORbUKs-ue0vQ-1 From: Kevin Wolf To: qemu-block@nongnu.org Subject: [PULL 2/7] replication: assert we own context before job_cancel_sync Date: Tue, 7 Apr 2020 16:26:11 +0200 Message-Id: <20200407142616.7961-3-kwolf@redhat.com> In-Reply-To: <20200407142616.7961-1-kwolf@redhat.com> References: <20200407142616.7961-1-kwolf@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 207.211.31.120 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: , Cc: kwolf@redhat.com, peter.maydell@linaro.org, qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @redhat.com) Content-Type: text/plain; charset="utf-8" From: Stefan Reiter job_cancel_sync requires the job's lock to be held, all other callers already do this (replication_stop, drive_backup_abort, blockdev_backup_abort, job_cancel_sync_all, cancel_common). In this case we're in a BlockDriver handler, so we already have a lock, just assert that it is the same as the one used for the commit_job. Signed-off-by: Stefan Reiter Message-Id: <20200407115651.69472-3-s.reiter@proxmox.com> Signed-off-by: Kevin Wolf --- block/replication.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/block/replication.c b/block/replication.c index 413d95407d..da013c2041 100644 --- a/block/replication.c +++ b/block/replication.c @@ -144,12 +144,15 @@ fail: static void replication_close(BlockDriverState *bs) { BDRVReplicationState *s =3D bs->opaque; + Job *commit_job; =20 if (s->stage =3D=3D BLOCK_REPLICATION_RUNNING) { replication_stop(s->rs, false, NULL); } if (s->stage =3D=3D BLOCK_REPLICATION_FAILOVER) { - job_cancel_sync(&s->commit_job->job); + commit_job =3D &s->commit_job->job; + assert(commit_job->aio_context =3D=3D qemu_get_current_aio_context= ()); + job_cancel_sync(commit_job); } =20 if (s->mode =3D=3D REPLICATION_MODE_SECONDARY) { --=20 2.20.1