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From ba435686f6f81197fe01a47ee8962b5ea60fce6c Mon Sep 17 00:00:00 2001
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From: John Snow <jsnow@redhat.com>
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Date: Tue, 25 Sep 2018 22:34:15 +0100
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Subject: [PATCH 12/28] jobs: remove job_defer_to_main_loop
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RH-Author: John Snow <jsnow@redhat.com>
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Message-id: <20180925223431.24791-10-jsnow@redhat.com>
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Patchwork-id: 82275
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O-Subject: [RHEL8/rhel qemu-kvm PATCH 09/25] jobs: remove job_defer_to_main_loop
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Bugzilla: 1632939
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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: Kevin Wolf <kwolf@redhat.com>
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Now that the job infrastructure is handling the job_completed call for
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all implemented jobs, we can remove the interface that allowed jobs to
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schedule their own completion.
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Signed-off-by: John Snow <jsnow@redhat.com>
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Reviewed-by: Max Reitz <mreitz@redhat.com>
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Message-id: 20180830015734.19765-10-jsnow@redhat.com
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Signed-off-by: Max Reitz <mreitz@redhat.com>
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(cherry picked from commit e21a1c9831fc80ae3f3c1affdfa43350035d8588)
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Signed-off-by: John Snow <jsnow@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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include/qemu/job.h | 17 -----------------
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job.c | 40 ++--------------------------------------
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2 files changed, 2 insertions(+), 55 deletions(-)
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diff --git a/include/qemu/job.h b/include/qemu/job.h
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index 952ac3a..04090ba 100644
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--- a/include/qemu/job.h
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+++ b/include/qemu/job.h
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@@ -553,23 +553,6 @@ void job_finalize(Job *job, Error **errp);
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*/
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void job_dismiss(Job **job, Error **errp);
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-typedef void JobDeferToMainLoopFn(Job *job, void *opaque);
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-
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-/**
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- * @job: The job
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- * @fn: The function to run in the main loop
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- * @opaque: The opaque value that is passed to @fn
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- *
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- * This function must be called by the main job coroutine just before it
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- * returns. @fn is executed in the main loop with the job AioContext acquired.
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- *
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- * Block jobs must call bdrv_unref(), bdrv_close(), and anything that uses
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- * bdrv_drain_all() in the main loop.
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- *
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- * The @job AioContext is held while @fn executes.
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- */
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-void job_defer_to_main_loop(Job *job, JobDeferToMainLoopFn *fn, void *opaque);
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-
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/**
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* Synchronously finishes the given @job. If @finish is given, it is called to
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* trigger completion or cancellation of the job.
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diff --git a/job.c b/job.c
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index e935a36..edcae98 100644
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--- a/job.c
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+++ b/job.c
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@@ -556,12 +556,8 @@ static void coroutine_fn job_co_entry(void *opaque)
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assert(job && job->driver && job->driver->run);
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job_pause_point(job);
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job->ret = job->driver->run(job, &job->err);
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- if (!job->deferred_to_main_loop) {
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- job->deferred_to_main_loop = true;
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- aio_bh_schedule_oneshot(qemu_get_aio_context(),
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- job_exit,
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- job);
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- }
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+ job->deferred_to_main_loop = true;
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+ aio_bh_schedule_oneshot(qemu_get_aio_context(), job_exit, job);
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}
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@@ -964,38 +960,6 @@ void job_complete(Job *job, Error **errp)
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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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- JobDeferToMainLoopFn *fn;
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- void *opaque;
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-} JobDeferToMainLoopData;
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-
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-static void job_defer_to_main_loop_bh(void *opaque)
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-{
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- JobDeferToMainLoopData *data = opaque;
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- Job *job = data->job;
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- AioContext *aio_context = job->aio_context;
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-
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- aio_context_acquire(aio_context);
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- data->fn(data->job, data->opaque);
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- aio_context_release(aio_context);
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-
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- g_free(data);
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-}
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-
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-void job_defer_to_main_loop(Job *job, JobDeferToMainLoopFn *fn, void *opaque)
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-{
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- JobDeferToMainLoopData *data = g_malloc(sizeof(*data));
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- data->job = job;
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- data->fn = fn;
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- data->opaque = opaque;
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- job->deferred_to_main_loop = true;
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-
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- aio_bh_schedule_oneshot(qemu_get_aio_context(),
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- job_defer_to_main_loop_bh, data);
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-}
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-
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int job_finish_sync(Job *job, void (*finish)(Job *, Error **errp), Error **errp)
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{
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Error *local_err = NULL;
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--
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1.8.3.1
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