qemu-kvm/0037-jobs-remove-job_defer_...

120 lines
3.8 KiB
Diff

From 1827993a08cc8c86cc40ca9ccb7ef668261b2bc4 Mon Sep 17 00:00:00 2001
From: John Snow <jsnow@redhat.com>
Date: Tue, 25 Sep 2018 22:34:15 +0100
Subject: jobs: remove job_defer_to_main_loop
RH-Author: John Snow <jsnow@redhat.com>
Message-id: <20180925223431.24791-10-jsnow@redhat.com>
Patchwork-id: 82275
O-Subject: [RHEL8/rhel qemu-kvm PATCH 09/25] jobs: remove job_defer_to_main_loop
Bugzilla: 1632939
RH-Acked-by: Jeffrey Cody <jcody@redhat.com>
RH-Acked-by: Max Reitz <mreitz@redhat.com>
RH-Acked-by: Kevin Wolf <kwolf@redhat.com>
Now that the job infrastructure is handling the job_completed call for
all implemented jobs, we can remove the interface that allowed jobs to
schedule their own completion.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-id: 20180830015734.19765-10-jsnow@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
(cherry picked from commit e21a1c9831fc80ae3f3c1affdfa43350035d8588)
Signed-off-by: John Snow <jsnow@redhat.com>
Signed-off-by: Danilo C. L. de Paula <ddepaula@redhat.com>
---
include/qemu/job.h | 17 -----------------
job.c | 40 ++--------------------------------------
2 files changed, 2 insertions(+), 55 deletions(-)
diff --git a/include/qemu/job.h b/include/qemu/job.h
index 23395c1..e0cff70 100644
--- a/include/qemu/job.h
+++ b/include/qemu/job.h
@@ -568,23 +568,6 @@ void job_finalize(Job *job, Error **errp);
*/
void job_dismiss(Job **job, Error **errp);
-typedef void JobDeferToMainLoopFn(Job *job, void *opaque);
-
-/**
- * @job: The job
- * @fn: The function to run in the main loop
- * @opaque: The opaque value that is passed to @fn
- *
- * This function must be called by the main job coroutine just before it
- * returns. @fn is executed in the main loop with the job AioContext acquired.
- *
- * Block jobs must call bdrv_unref(), bdrv_close(), and anything that uses
- * bdrv_drain_all() in the main loop.
- *
- * The @job AioContext is held while @fn executes.
- */
-void job_defer_to_main_loop(Job *job, JobDeferToMainLoopFn *fn, void *opaque);
-
/**
* Synchronously finishes the given @job. If @finish is given, it is called to
* trigger completion or cancellation of the job.
diff --git a/job.c b/job.c
index 61e091a..e8d7aee 100644
--- a/job.c
+++ b/job.c
@@ -561,12 +561,8 @@ static void coroutine_fn job_co_entry(void *opaque)
assert(job && job->driver && job->driver->run);
job_pause_point(job);
job->ret = job->driver->run(job, &job->err);
- if (!job->deferred_to_main_loop) {
- job->deferred_to_main_loop = true;
- aio_bh_schedule_oneshot(qemu_get_aio_context(),
- job_exit,
- job);
- }
+ job->deferred_to_main_loop = true;
+ aio_bh_schedule_oneshot(qemu_get_aio_context(), job_exit, job);
}
@@ -969,38 +965,6 @@ void job_complete(Job *job, Error **errp)
job->driver->complete(job, errp);
}
-
-typedef struct {
- Job *job;
- JobDeferToMainLoopFn *fn;
- void *opaque;
-} JobDeferToMainLoopData;
-
-static void job_defer_to_main_loop_bh(void *opaque)
-{
- JobDeferToMainLoopData *data = opaque;
- Job *job = data->job;
- AioContext *aio_context = job->aio_context;
-
- aio_context_acquire(aio_context);
- data->fn(data->job, data->opaque);
- aio_context_release(aio_context);
-
- g_free(data);
-}
-
-void job_defer_to_main_loop(Job *job, JobDeferToMainLoopFn *fn, void *opaque)
-{
- JobDeferToMainLoopData *data = g_malloc(sizeof(*data));
- data->job = job;
- data->fn = fn;
- data->opaque = opaque;
- job->deferred_to_main_loop = true;
-
- aio_bh_schedule_oneshot(qemu_get_aio_context(),
- job_defer_to_main_loop_bh, data);
-}
-
int job_finish_sync(Job *job, void (*finish)(Job *, Error **errp), Error **errp)
{
Error *local_err = NULL;
--
1.8.3.1