[Qemu-block] [RFC v3 08/14] blockjobs: add commit, abort, clean helpers

[John Snow]

The completed_single function is getting a little mucked up with
checking to see which callbacks exist, so let's factor them out.

Signed-off-by: John Snow <address@hidden>
---
 blockjob.c | 35 ++++++++++++++++++++++++++---------
 1 file changed, 26 insertions(+), 9 deletions(-)

diff --git a/blockjob.c b/blockjob.c
index 3d678d6ce2..1b169a0814 100644
--- a/blockjob.c
+++ b/blockjob.c
@@ -376,6 +376,29 @@ void block_job_start(BlockJob *job)
     bdrv_coroutine_enter(blk_bs(job->blk), job->co);
 }
 
+static void block_job_commit(BlockJob *job)
+{
+    assert(!job->ret);
+    if (job->driver->commit) {
+        job->driver->commit(job);
+    }
+}
+
+static void block_job_abort(BlockJob *job)
+{
+    assert(job->ret);
+    if (job->driver->abort) {
+        job->driver->abort(job);
+    }
+}
+
+static void block_job_clean(BlockJob *job)
+{
+    if (job->driver->clean) {
+        job->driver->clean(job);
+    }
+}
+
 static void block_job_completed_single(BlockJob *job)
 {
     assert(job->completed);
@@ -386,17 +409,11 @@ static void block_job_completed_single(BlockJob *job)
     }
 
     if (!job->ret) {
-        if (job->driver->commit) {
-            job->driver->commit(job);
-        }
+        block_job_commit(job);
     } else {
-        if (job->driver->abort) {
-            job->driver->abort(job);
-        }
-    }
-    if (job->driver->clean) {
-        job->driver->clean(job);
+        block_job_abort(job);
     }
+    block_job_clean(job);
 
     if (job->cb) {
         job->cb(job->opaque, job->ret);
-- 
2.14.3