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Diffstat (limited to 'blockjob.c')
-rw-r--r--blockjob.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/blockjob.c b/blockjob.c
index 32007f3..e68181a 100644
--- a/blockjob.c
+++ b/blockjob.c
@@ -144,9 +144,9 @@ static TransactionActionDrv change_child_job_context = {
.clean = g_free,
};
-static bool child_job_change_aio_ctx(BdrvChild *c, AioContext *ctx,
- GHashTable *visited, Transaction *tran,
- Error **errp)
+static bool GRAPH_RDLOCK
+child_job_change_aio_ctx(BdrvChild *c, AioContext *ctx, GHashTable *visited,
+ Transaction *tran, Error **errp)
{
BlockJob *job = c->opaque;
BdrvStateChildJobContext *s;
@@ -198,6 +198,7 @@ void block_job_remove_all_bdrv(BlockJob *job)
* one to make sure that such a concurrent access does not attempt
* to process an already freed BdrvChild.
*/
+ bdrv_drain_all_begin();
bdrv_graph_wrlock();
while (job->nodes) {
GSList *l = job->nodes;
@@ -211,6 +212,7 @@ void block_job_remove_all_bdrv(BlockJob *job)
g_slist_free_1(l);
}
bdrv_graph_wrunlock();
+ bdrv_drain_all_end();
}
bool block_job_has_bdrv(BlockJob *job, BlockDriverState *bs)
@@ -496,6 +498,7 @@ void *block_job_create(const char *job_id, const BlockJobDriver *driver,
int ret;
GLOBAL_STATE_CODE();
+ bdrv_drain_all_begin();
bdrv_graph_wrlock();
if (job_id == NULL && !(flags & JOB_INTERNAL)) {
@@ -506,6 +509,7 @@ void *block_job_create(const char *job_id, const BlockJobDriver *driver,
flags, cb, opaque, errp);
if (job == NULL) {
bdrv_graph_wrunlock();
+ bdrv_drain_all_end();
return NULL;
}
@@ -544,10 +548,12 @@ void *block_job_create(const char *job_id, const BlockJobDriver *driver,
}
bdrv_graph_wrunlock();
+ bdrv_drain_all_end();
return job;
fail:
bdrv_graph_wrunlock();
+ bdrv_drain_all_end();
job_early_fail(&job->job);
return NULL;
}