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Diffstat (limited to 'blockjob.c')
-rw-r--r--blockjob.c29
1 files changed, 24 insertions, 5 deletions
diff --git a/blockjob.c b/blockjob.c
index 0e9ed0336d..9b619f385a 100644
--- a/blockjob.c
+++ b/blockjob.c
@@ -68,6 +68,23 @@ static const BdrvChildRole child_job = {
.stay_at_node = true,
};
+static void block_job_drained_begin(void *opaque)
+{
+ BlockJob *job = opaque;
+ block_job_pause(job);
+}
+
+static void block_job_drained_end(void *opaque)
+{
+ BlockJob *job = opaque;
+ block_job_resume(job);
+}
+
+static const BlockDevOps block_job_dev_ops = {
+ .drained_begin = block_job_drained_begin,
+ .drained_end = block_job_drained_end,
+};
+
BlockJob *block_job_next(BlockJob *job)
{
if (!job) {
@@ -205,11 +222,6 @@ void *block_job_create(const char *job_id, const BlockJobDriver *driver,
}
job = g_malloc0(driver->instance_size);
- error_setg(&job->blocker, "block device is in use by block job: %s",
- BlockJobType_lookup[driver->job_type]);
- block_job_add_bdrv(job, "main node", bs, 0, BLK_PERM_ALL, &error_abort);
- bdrv_op_unblock(bs, BLOCK_OP_TYPE_DATAPLANE, job->blocker);
-
job->driver = driver;
job->id = g_strdup(job_id);
job->blk = blk;
@@ -219,8 +231,15 @@ void *block_job_create(const char *job_id, const BlockJobDriver *driver,
job->paused = true;
job->pause_count = 1;
job->refcnt = 1;
+
+ error_setg(&job->blocker, "block device is in use by block job: %s",
+ BlockJobType_lookup[driver->job_type]);
+ block_job_add_bdrv(job, "main node", bs, 0, BLK_PERM_ALL, &error_abort);
bs->job = job;
+ blk_set_dev_ops(blk, &block_job_dev_ops, job);
+ bdrv_op_unblock(bs, BLOCK_OP_TYPE_DATAPLANE, job->blocker);
+
QLIST_INSERT_HEAD(&block_jobs, job, job_list);
blk_add_aio_context_notifier(blk, block_job_attached_aio_context,