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From 2278ae1bb1dbbf0038e4bcc96ecdd875498c5eec 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 09:48:34 +0200
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Subject: [PATCH 126/268] blockjob: Remove BlockJob.driver
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RH-Author: Kevin Wolf <kwolf@redhat.com>
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Message-id: <20180626094856.6924-52-kwolf@redhat.com>
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Patchwork-id: 81123
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O-Subject: [RHV-7.6 qemu-kvm-rhev PATCH v2 51/73] blockjob: Remove BlockJob.driver
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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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BlockJob.driver is redundant with Job.driver and only used in very few
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places any more. Remove it.
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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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(cherry picked from commit 9f6bb4c004a6458227b9eec6aff3f79afe159699)
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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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 blockjob.c               | 17 ++++++++++-------
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 include/block/blockjob.h |  3 ---
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 2 files changed, 10 insertions(+), 10 deletions(-)
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diff --git a/blockjob.c b/blockjob.c
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index 5c8ff6f..0306533 100644
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--- a/blockjob.c
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+++ b/blockjob.c
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@@ -103,10 +103,12 @@ static void block_job_attached_aio_context(AioContext *new_context,
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                                            void *opaque)
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 {
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     BlockJob *job = opaque;
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+    const JobDriver *drv = job->job.driver;
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+    BlockJobDriver *bjdrv = container_of(drv, BlockJobDriver, job_driver);
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     job->job.aio_context = new_context;
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-    if (job->driver->attached_aio_context) {
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-        job->driver->attached_aio_context(job, new_context);
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+    if (bjdrv->attached_aio_context) {
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+        bjdrv->attached_aio_context(job, new_context);
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     }
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     job_resume(&job->job);
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@@ -115,10 +117,12 @@ static void block_job_attached_aio_context(AioContext *new_context,
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 void block_job_drain(Job *job)
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 {
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     BlockJob *bjob = container_of(job, BlockJob, job);
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+    const JobDriver *drv = job->driver;
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+    BlockJobDriver *bjdrv = container_of(drv, BlockJobDriver, job_driver);
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     blk_drain(bjob->blk);
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-    if (bjob->driver->drain) {
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-        bjob->driver->drain(bjob);
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+    if (bjdrv->drain) {
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+        bjdrv->drain(bjob);
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     }
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 }
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@@ -201,7 +205,7 @@ bool block_job_is_internal(BlockJob *job)
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 const BlockJobDriver *block_job_driver(BlockJob *job)
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 {
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-    return job->driver;
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+    return container_of(job->job.driver, BlockJobDriver, job_driver);
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 }
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 /* Assumes the job_mutex is held */
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@@ -386,8 +390,7 @@ void *block_job_create(const char *job_id, const BlockJobDriver *driver,
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     assert(job->job.driver->user_resume == &block_job_user_resume);
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     assert(job->job.driver->drain == &block_job_drain);
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-    job->driver        = driver;
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-    job->blk           = blk;
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+    job->blk = blk;
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     job->finalize_cancelled_notifier.notify = block_job_event_cancelled;
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     job->finalize_completed_notifier.notify = block_job_event_completed;
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diff --git a/include/block/blockjob.h b/include/block/blockjob.h
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index 3021d11..32c00b7 100644
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--- a/include/block/blockjob.h
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+++ b/include/block/blockjob.h
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@@ -43,9 +43,6 @@ typedef struct BlockJob {
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     /** Data belonging to the generic Job infrastructure */
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     Job job;
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-    /** The job type, including the job vtable.  */
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-    const BlockJobDriver *driver;
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-
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     /** The block device on which the job is operating.  */
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     BlockBackend *blk;
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-- 
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1.8.3.1
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