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-rw-r--r--block.c23
-rw-r--r--blockjob.c13
-rw-r--r--include/block/blockjob.h7
3 files changed, 22 insertions, 21 deletions
diff --git a/block.c b/block.c
index 45cddd6773..736432f67e 100644
--- a/block.c
+++ b/block.c
@@ -2209,8 +2209,7 @@ static void bdrv_close(BlockDriverState *bs)
void bdrv_close_all(void)
{
- BlockDriverState *bs;
- AioContext *aio_context;
+ block_job_cancel_sync_all();
/* Drop references from requests still in flight, such as canceled block
* jobs whose AIO context has not been polled yet */
@@ -2219,25 +2218,7 @@ void bdrv_close_all(void)
blk_remove_all_bs();
blockdev_close_all_bdrv_states();
- /* Cancel all block jobs */
- while (!QTAILQ_EMPTY(&all_bdrv_states)) {
- QTAILQ_FOREACH(bs, &all_bdrv_states, bs_list) {
- aio_context = bdrv_get_aio_context(bs);
-
- aio_context_acquire(aio_context);
- if (bs->job) {
- block_job_cancel_sync(bs->job);
- aio_context_release(aio_context);
- break;
- }
- aio_context_release(aio_context);
- }
-
- /* All the remaining BlockDriverStates are referenced directly or
- * indirectly from block jobs, so there needs to be at least one BDS
- * directly used by a block job */
- assert(bs);
- }
+ assert(QTAILQ_EMPTY(&all_bdrv_states));
}
static void change_parent_backing_link(BlockDriverState *from,
diff --git a/blockjob.c b/blockjob.c
index 0f1bc77b1d..e916b41030 100644
--- a/blockjob.c
+++ b/blockjob.c
@@ -331,6 +331,19 @@ int block_job_cancel_sync(BlockJob *job)
return block_job_finish_sync(job, &block_job_cancel_err, NULL);
}
+void block_job_cancel_sync_all(void)
+{
+ BlockJob *job;
+ AioContext *aio_context;
+
+ while ((job = QLIST_FIRST(&block_jobs))) {
+ aio_context = bdrv_get_aio_context(job->bs);
+ aio_context_acquire(aio_context);
+ block_job_cancel_sync(job);
+ aio_context_release(aio_context);
+ }
+}
+
int block_job_complete_sync(BlockJob *job, Error **errp)
{
return block_job_finish_sync(job, &block_job_complete, errp);
diff --git a/include/block/blockjob.h b/include/block/blockjob.h
index 30bb2c6fd6..4ac68314ae 100644
--- a/include/block/blockjob.h
+++ b/include/block/blockjob.h
@@ -371,6 +371,13 @@ bool block_job_is_paused(BlockJob *job);
int block_job_cancel_sync(BlockJob *job);
/**
+ * block_job_cancel_sync_all:
+ *
+ * Synchronously cancels all jobs using block_job_cancel_sync().
+ */
+void block_job_cancel_sync_all(void);
+
+/**
* block_job_complete_sync:
* @job: The job to be completed.
* @errp: Error object which may be set by block_job_complete(); this is not