yeahuh / rpms / qemu-kvm

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From 02727b3014f58b63b589176a191a0ced5def4a65 Mon Sep 17 00:00:00 2001
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From: Kevin Wolf <kwolf@redhat.com>
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Date: Tue, 26 Jun 2018 09:48:19 +0200
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Subject: [PATCH 111/268] job: Move .complete callback to Job
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RH-Author: Kevin Wolf <kwolf@redhat.com>
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Message-id: <20180626094856.6924-37-kwolf@redhat.com>
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Patchwork-id: 81084
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O-Subject: [RHV-7.6 qemu-kvm-rhev PATCH v2 36/73] job: Move .complete callback to Job
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Bugzilla: 1513543
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RH-Acked-by: Jeffrey Cody <jcody@redhat.com>
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RH-Acked-by: Max Reitz <mreitz@redhat.com>
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RH-Acked-by: Fam Zheng <famz@redhat.com>
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This moves the .complete callback that tells a READY job to complete
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from BlockJobDriver to JobDriver. The wrapper function job_complete()
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doesn't require anything block job specific any more and can be moved
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to Job.
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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Reviewed-by: Max Reitz <mreitz@redhat.com>
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(cherry picked from commit 3453d97243c72988c89a0105fa9546890eae7bd4)
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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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 block/mirror.c               | 10 +++++-----
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 blockdev.c                   |  2 +-
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 blockjob.c                   | 23 +++++------------------
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 include/block/blockjob.h     | 10 ----------
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 include/block/blockjob_int.h |  6 ------
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 include/qemu/job.h           |  8 ++++++++
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 job.c                        | 16 ++++++++++++++++
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 tests/test-bdrv-drain.c      |  6 +++---
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 tests/test-blockjob.c        | 10 +++++-----
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 9 files changed, 43 insertions(+), 48 deletions(-)
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diff --git a/block/mirror.c b/block/mirror.c
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index a579bd8..656237a 100644
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--- a/block/mirror.c
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+++ b/block/mirror.c
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@@ -905,16 +905,16 @@ immediate_exit:
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     job_defer_to_main_loop(&s->common.job, mirror_exit, data);
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 }
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-static void mirror_complete(BlockJob *job, Error **errp)
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+static void mirror_complete(Job *job, Error **errp)
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 {
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-    MirrorBlockJob *s = container_of(job, MirrorBlockJob, common);
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+    MirrorBlockJob *s = container_of(job, MirrorBlockJob, common.job);
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     BlockDriverState *target;
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     target = blk_bs(s->target);
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     if (!s->synced) {
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         error_setg(errp, "The active block job '%s' cannot be completed",
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-                   job->job.id);
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+                   job->id);
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         return;
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     }
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@@ -995,8 +995,8 @@ static const BlockJobDriver mirror_job_driver = {
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         .drain                  = block_job_drain,
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         .start                  = mirror_run,
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         .pause                  = mirror_pause,
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+        .complete               = mirror_complete,
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     },
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-    .complete               = mirror_complete,
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     .attached_aio_context   = mirror_attached_aio_context,
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     .drain                  = mirror_drain,
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 };
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@@ -1010,8 +1010,8 @@ static const BlockJobDriver commit_active_job_driver = {
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         .drain                  = block_job_drain,
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         .start                  = mirror_run,
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         .pause                  = mirror_pause,
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+        .complete               = mirror_complete,
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     },
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-    .complete               = mirror_complete,
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     .attached_aio_context   = mirror_attached_aio_context,
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     .drain                  = mirror_drain,
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 };
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diff --git a/blockdev.c b/blockdev.c
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index 24deaf1..dd9a080 100644
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--- a/blockdev.c
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+++ b/blockdev.c
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@@ -3895,7 +3895,7 @@ void qmp_block_job_complete(const char *device, Error **errp)
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     }
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     trace_qmp_block_job_complete(job);
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-    block_job_complete(job, errp);
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+    job_complete(&job->job, errp);
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     aio_context_release(aio_context);
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 }
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diff --git a/blockjob.c b/blockjob.c
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index 63e1669..0ca7672 100644
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--- a/blockjob.c
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+++ b/blockjob.c
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@@ -481,24 +481,6 @@ int64_t block_job_ratelimit_get_delay(BlockJob *job, uint64_t n)
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     return ratelimit_calculate_delay(&job->limit, n);
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 }
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-void block_job_complete(BlockJob *job, Error **errp)
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-{
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-    /* Should not be reachable via external interface for internal jobs */
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-    assert(job->job.id);
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-    if (job_apply_verb(&job->job, JOB_VERB_COMPLETE, errp)) {
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-        return;
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-    }
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-    if (job->job.pause_count || job_is_cancelled(&job->job) ||
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-        !job->driver->complete)
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-    {
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-        error_setg(errp, "The active block job '%s' cannot be completed",
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-                   job->job.id);
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-        return;
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-    }
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-
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-    job->driver->complete(job, errp);
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-}
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-
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 void block_job_finalize(BlockJob *job, Error **errp)
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 {
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     assert(job && job->job.id);
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@@ -571,6 +553,11 @@ void block_job_cancel_sync_all(void)
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     }
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 }
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+static void block_job_complete(BlockJob *job, Error **errp)
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+{
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+    job_complete(&job->job, errp);
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+}
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+
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 int block_job_complete_sync(BlockJob *job, Error **errp)
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 {
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     return block_job_finish_sync(job, &block_job_complete, errp);
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diff --git a/include/block/blockjob.h b/include/block/blockjob.h
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index d975efe..85ce18a 100644
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--- a/include/block/blockjob.h
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+++ b/include/block/blockjob.h
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@@ -154,16 +154,6 @@ void block_job_set_speed(BlockJob *job, int64_t speed, Error **errp);
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 void block_job_cancel(BlockJob *job, bool force);
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 /**
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- * block_job_complete:
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- * @job: The job to be completed.
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- * @errp: Error object.
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- *
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- * Asynchronously complete the specified job.
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- */
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-void block_job_complete(BlockJob *job, Error **errp);
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-
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-
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-/**
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  * block_job_finalize:
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  * @job: The job to fully commit and finish.
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  * @errp: Error object.
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diff --git a/include/block/blockjob_int.h b/include/block/blockjob_int.h
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index 38fe22d..b8ca7bb 100644
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--- a/include/block/blockjob_int.h
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+++ b/include/block/blockjob_int.h
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@@ -39,12 +39,6 @@ struct BlockJobDriver {
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     JobDriver job_driver;
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     /**
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-     * Optional callback for job types whose completion must be triggered
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-     * manually.
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-     */
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-    void (*complete)(BlockJob *job, Error **errp);
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-
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-    /**
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      * If the callback is not NULL, prepare will be invoked when all the jobs
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      * belonging to the same transaction complete; or upon this job's completion
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      * if it is not in a transaction.
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diff --git a/include/qemu/job.h b/include/qemu/job.h
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index aebc195..8f7f71a 100644
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--- a/include/qemu/job.h
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+++ b/include/qemu/job.h
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@@ -167,6 +167,12 @@ struct JobDriver {
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      */
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     void (*user_resume)(Job *job);
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+    /**
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+     * Optional callback for job types whose completion must be triggered
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+     * manually.
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+     */
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+    void (*complete)(Job *job, Error **errp);
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+
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     /*
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      * If the callback is not NULL, it will be invoked when the job has to be
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      * synchronously cancelled or completed; it should drain any activities
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@@ -363,6 +369,8 @@ int job_apply_verb(Job *job, JobVerb verb, Error **errp);
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 /** The @job could not be started, free it. */
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 void job_early_fail(Job *job);
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+/** Asynchronously complete the specified @job. */
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+void job_complete(Job *job, Error **errp);;
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 typedef void JobDeferToMainLoopFn(Job *job, void *opaque);
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diff --git a/job.c b/job.c
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index 3772a35..8ceac0b 100644
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--- a/job.c
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+++ b/job.c
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@@ -556,6 +556,22 @@ int job_finalize_single(Job *job)
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     return 0;
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 }
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+void job_complete(Job *job, Error **errp)
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+{
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+    /* Should not be reachable via external interface for internal jobs */
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+    assert(job->id);
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+    if (job_apply_verb(job, JOB_VERB_COMPLETE, errp)) {
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+        return;
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+    }
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+    if (job->pause_count || job_is_cancelled(job) || !job->driver->complete) {
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+        error_setg(errp, "The active block job '%s' cannot be completed",
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+                   job->id);
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+        return;
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+    }
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+
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+    job->driver->complete(job, errp);
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+}
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+
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 typedef struct {
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     Job *job;
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diff --git a/tests/test-bdrv-drain.c b/tests/test-bdrv-drain.c
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index 58ea566..b428aac 100644
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--- a/tests/test-bdrv-drain.c
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+++ b/tests/test-bdrv-drain.c
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@@ -514,9 +514,9 @@ static void coroutine_fn test_job_start(void *opaque)
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     job_defer_to_main_loop(&s->common.job, test_job_completed, NULL);
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 }
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-static void test_job_complete(BlockJob *job, Error **errp)
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+static void test_job_complete(Job *job, Error **errp)
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 {
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-    TestBlockJob *s = container_of(job, TestBlockJob, common);
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+    TestBlockJob *s = container_of(job, TestBlockJob, common.job);
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     s->should_complete = true;
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 }
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@@ -527,8 +527,8 @@ BlockJobDriver test_job_driver = {
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         .user_resume    = block_job_user_resume,
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         .drain          = block_job_drain,
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         .start          = test_job_start,
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+        .complete       = test_job_complete,
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     },
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-    .complete       = test_job_complete,
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 };
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 static void test_blockjob_common(enum drain_type drain_type)
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diff --git a/tests/test-blockjob.c b/tests/test-blockjob.c
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index 592a136..e44c608 100644
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--- a/tests/test-blockjob.c
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+++ b/tests/test-blockjob.c
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@@ -171,9 +171,9 @@ static void cancel_job_completed(Job *job, void *opaque)
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     block_job_completed(bjob, 0);
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 }
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-static void cancel_job_complete(BlockJob *job, Error **errp)
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+static void cancel_job_complete(Job *job, Error **errp)
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 {
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-    CancelJob *s = container_of(job, CancelJob, common);
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+    CancelJob *s = container_of(job, CancelJob, common.job);
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     s->should_complete = true;
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 }
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@@ -204,8 +204,8 @@ static const BlockJobDriver test_cancel_driver = {
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         .user_resume   = block_job_user_resume,
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         .drain         = block_job_drain,
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         .start         = cancel_job_start,
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+        .complete      = cancel_job_complete,
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     },
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-    .complete      = cancel_job_complete,
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 };
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 static CancelJob *create_common(BlockJob **pjob)
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@@ -333,7 +333,7 @@ static void test_cancel_pending(void)
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     block_job_enter(job);
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     assert(job->job.status == JOB_STATUS_READY);
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-    block_job_complete(job, &error_abort);
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+    job_complete(&job->job, &error_abort);
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     block_job_enter(job);
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     while (!s->completed) {
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         aio_poll(qemu_get_aio_context(), true);
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@@ -357,7 +357,7 @@ static void test_cancel_concluded(void)
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     block_job_enter(job);
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     assert(job->job.status == JOB_STATUS_READY);
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-    block_job_complete(job, &error_abort);
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+    job_complete(&job->job, &error_abort);
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     block_job_enter(job);
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     while (!s->completed) {
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         aio_poll(qemu_get_aio_context(), true);
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-- 
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1.8.3.1
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