[PATCH v9 17/21] blockjob.h: categorize fields in struct BlockJob

[Emanuele Giuseppe Esposito <eesposit@redhat.com>]

The same job lock is being used also to protect some of blockjob fields.
Categorize them just as done in job.h.

Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
---
 include/block/blockjob.h | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

diff --git a/include/block/blockjob.h b/include/block/blockjob.h
index 8b65d3949d..912e10b083 100644
--- a/include/block/blockjob.h
+++ b/include/block/blockjob.h
@@ -40,10 +40,16 @@ typedef struct BlockJobDriver BlockJobDriver;
  * Long-running operation on a BlockDriverState.
  */
 typedef struct BlockJob {
-    /** Data belonging to the generic Job infrastructure */
+    /**
+     * Data belonging to the generic Job infrastructure.
+     * Protected by job mutex.
+     */
     Job job;
 
-    /** Status that is published by the query-block-jobs QMP API */
+    /**
+     * Status that is published by the query-block-jobs QMP API.
+     * Protected by job mutex.
+     */
     BlockDeviceIoStatus iostatus;
 
     /** Speed that was set with @block_job_set_speed.  */
@@ -55,6 +61,8 @@ typedef struct BlockJob {
     /** Block other operations when block job is running */
     Error *blocker;
 
+    /** All notifiers are set once in block_job_create() and never modified. */
+
     /** Called when a cancelled job is finalised. */
     Notifier finalize_cancelled_notifier;
 
@@ -70,7 +78,10 @@ typedef struct BlockJob {
     /** Called when the job coroutine yields or terminates */
     Notifier idle_notifier;
 
-    /** BlockDriverStates that are involved in this block job */
+    /**
+     * BlockDriverStates that are involved in this block job.
+     * Always modified and read under QEMU global mutex (GLOBAL_STATE_CODE)
+     */
     GSList *nodes;
 } BlockJob;
 
-- 
2.31.1