qemu-kvm/SOURCES/kvm-job-remove-outdated-AioContext-locking-comments.patch

From 4ab25b33831fa207500179bd30f29388d81e4cce Mon Sep 17 00:00:00 2001
From: Stefan Hajnoczi <stefanha@redhat.com>
Date: Tue, 5 Dec 2023 13:20:10 -0500
Subject: [PATCH 093/101] job: remove outdated AioContext locking comments

RH-Author: Kevin Wolf <kwolf@redhat.com>
RH-MergeRequest: 214: Remove AioContext lock
RH-Jira: RHEL-15965
RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>
RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
RH-Commit: [24/26] 15ff2928be82d6905c22619458487fbb72d6044a (kmwolf/centos-qemu-kvm)

The AioContext lock no longer exists.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-ID: <20231205182011.1976568-14-stefanha@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
---
 include/qemu/job.h | 20 --------------------
 1 file changed, 20 deletions(-)

diff --git a/include/qemu/job.h b/include/qemu/job.h
index e502787dd8..9ea98b5927 100644
--- a/include/qemu/job.h
+++ b/include/qemu/job.h
@@ -67,8 +67,6 @@ typedef struct Job {
 
     /**
      * The completion function that will be called when the job completes.
-     * Called with AioContext lock held, since many callback implementations
-     * use bdrv_* functions that require to hold the lock.
      */
     BlockCompletionFunc *cb;
 
@@ -264,9 +262,6 @@ struct JobDriver {
      *
      * This callback will not be invoked if the job has already failed.
      * If it fails, abort and then clean will be called.
-     *
-     * Called with AioContext lock held, since many callbacs implementations
-     * use bdrv_* functions that require to hold the lock.
      */
     int (*prepare)(Job *job);
 
@@ -277,9 +272,6 @@ struct JobDriver {
      *
      * All jobs will complete with a call to either .commit() or .abort() but
      * never both.
-     *
-     * Called with AioContext lock held, since many callback implementations
-     * use bdrv_* functions that require to hold the lock.
      */
     void (*commit)(Job *job);
 
@@ -290,9 +282,6 @@ struct JobDriver {
      *
      * All jobs will complete with a call to either .commit() or .abort() but
      * never both.
-     *
-     * Called with AioContext lock held, since many callback implementations
-     * use bdrv_* functions that require to hold the lock.
      */
     void (*abort)(Job *job);
 
@@ -301,9 +290,6 @@ struct JobDriver {
      * .commit() or .abort(). Regardless of which callback is invoked after
      * completion, .clean() will always be called, even if the job does not
      * belong to a transaction group.
-     *
-     * Called with AioContext lock held, since many callbacs implementations
-     * use bdrv_* functions that require to hold the lock.
      */
     void (*clean)(Job *job);
 
@@ -318,17 +304,12 @@ struct JobDriver {
      * READY).
      * (If the callback is NULL, the job is assumed to terminate
      * without I/O.)
-     *
-     * Called with AioContext lock held, since many callback implementations
-     * use bdrv_* functions that require to hold the lock.
      */
     bool (*cancel)(Job *job, bool force);
 
 
     /**
      * Called when the job is freed.
-     * Called with AioContext lock held, since many callback implementations
-     * use bdrv_* functions that require to hold the lock.
      */
     void (*free)(Job *job);
 };
@@ -424,7 +405,6 @@ void job_ref_locked(Job *job);
  * Release a reference that was previously acquired with job_ref_locked() or
  * job_create(). If it's the last reference to the object, it will be freed.
  *
- * Takes AioContext lock internally to invoke a job->driver callback.
  * Called with job lock held.
  */
 void job_unref_locked(Job *job);
-- 
2.39.3