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From 46887feac666d0d7633ff3f5af5721fe2a80a8ab Mon Sep 17 00:00:00 2001
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From: Kevin Wolf <kwolf@redhat.com>
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Date: Wed, 8 Apr 2020 17:29:13 +0100
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Subject: [PATCH 2/6] replication: assert we own context before job_cancel_sync
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RH-Author: Kevin Wolf <kwolf@redhat.com>
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Message-id: <20200408172917.18712-3-kwolf@redhat.com>
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Patchwork-id: 94595
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O-Subject: [RHEL-AV-8.2.0 qemu-kvm PATCH 2/6] replication: assert we own context before job_cancel_sync
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Bugzilla: 1817621
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RH-Acked-by: Eric Blake <eblake@redhat.com>
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RH-Acked-by: Danilo de Paula <ddepaula@redhat.com>
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RH-Acked-by: Max Reitz <mreitz@redhat.com>
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From: Stefan Reiter <s.reiter@proxmox.com>
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job_cancel_sync requires the job's lock to be held, all other callers
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already do this (replication_stop, drive_backup_abort,
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blockdev_backup_abort, job_cancel_sync_all, cancel_common).
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In this case we're in a BlockDriver handler, so we already have a lock,
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just assert that it is the same as the one used for the commit_job.
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Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
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Message-Id: <20200407115651.69472-3-s.reiter@proxmox.com>
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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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(cherry picked from commit 08558e33257ec796594bd411261028a93414a70c)
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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Signed-off-by: Danilo C. L. de Paula <ddepaula@redhat.com>
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---
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block/replication.c | 5 ++++-
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1 file changed, 4 insertions(+), 1 deletion(-)
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diff --git a/block/replication.c b/block/replication.c
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index 99532ce..0ce27ee 100644
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--- a/block/replication.c
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+++ b/block/replication.c
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@@ -144,12 +144,15 @@ fail:
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static void replication_close(BlockDriverState *bs)
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{
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BDRVReplicationState *s = bs->opaque;
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+ Job *commit_job;
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if (s->stage == BLOCK_REPLICATION_RUNNING) {
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replication_stop(s->rs, false, NULL);
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}
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if (s->stage == BLOCK_REPLICATION_FAILOVER) {
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- job_cancel_sync(&s->commit_job->job);
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+ commit_job = &s->commit_job->job;
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+ assert(commit_job->aio_context == qemu_get_current_aio_context());
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+ job_cancel_sync(commit_job);
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}
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if (s->mode == REPLICATION_MODE_SECONDARY) {
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--
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1.8.3.1
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