aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--block/backup.c8
-rw-r--r--block/mirror.c10
-rw-r--r--blockjob.c34
3 files changed, 35 insertions, 17 deletions
diff --git a/block/backup.c b/block/backup.c
index 910ed764aa..916817d8b1 100644
--- a/block/backup.c
+++ b/block/backup.c
@@ -300,13 +300,6 @@ static void backup_clean(Job *job)
s->target = NULL;
}
-static void backup_attached_aio_context(BlockJob *job, AioContext *aio_context)
-{
- BackupBlockJob *s = container_of(job, BackupBlockJob, common);
-
- blk_set_aio_context(s->target, aio_context);
-}
-
void backup_do_checkpoint(BlockJob *job, Error **errp)
{
BackupBlockJob *backup_job = container_of(job, BackupBlockJob, common);
@@ -558,7 +551,6 @@ static const BlockJobDriver backup_job_driver = {
.abort = backup_abort,
.clean = backup_clean,
},
- .attached_aio_context = backup_attached_aio_context,
.drain = backup_drain,
};
diff --git a/block/mirror.c b/block/mirror.c
index ff15cfb197..ec4bd9f404 100644
--- a/block/mirror.c
+++ b/block/mirror.c
@@ -1142,13 +1142,6 @@ static bool mirror_drained_poll(BlockJob *job)
return !!s->in_flight;
}
-static void mirror_attached_aio_context(BlockJob *job, AioContext *new_context)
-{
- MirrorBlockJob *s = container_of(job, MirrorBlockJob, common);
-
- blk_set_aio_context(s->target, new_context);
-}
-
static void mirror_drain(BlockJob *job)
{
MirrorBlockJob *s = container_of(job, MirrorBlockJob, common);
@@ -1178,7 +1171,6 @@ static const BlockJobDriver mirror_job_driver = {
.complete = mirror_complete,
},
.drained_poll = mirror_drained_poll,
- .attached_aio_context = mirror_attached_aio_context,
.drain = mirror_drain,
};
@@ -1196,7 +1188,6 @@ static const BlockJobDriver commit_active_job_driver = {
.complete = mirror_complete,
},
.drained_poll = mirror_drained_poll,
- .attached_aio_context = mirror_attached_aio_context,
.drain = mirror_drain,
};
@@ -1612,6 +1603,7 @@ static void mirror_start_job(const char *job_id, BlockDriverState *bs,
* ensure that. */
blk_set_force_allow_inactivate(s->target);
}
+ blk_set_allow_aio_context_change(s->target, true);
s->replaces = g_strdup(replaces);
s->on_source_error = on_source_error;
diff --git a/blockjob.c b/blockjob.c
index 730101d282..24e6093a9c 100644
--- a/blockjob.c
+++ b/blockjob.c
@@ -183,11 +183,44 @@ static void child_job_drained_end(BdrvChild *c)
job_resume(&job->job);
}
+static bool child_job_can_set_aio_ctx(BdrvChild *c, AioContext *ctx,
+ GSList **ignore, Error **errp)
+{
+ BlockJob *job = c->opaque;
+ GSList *l;
+
+ for (l = job->nodes; l; l = l->next) {
+ BdrvChild *sibling = l->data;
+ if (!bdrv_child_can_set_aio_context(sibling, ctx, ignore, errp)) {
+ return false;
+ }
+ }
+ return true;
+}
+
+static void child_job_set_aio_ctx(BdrvChild *c, AioContext *ctx,
+ GSList **ignore)
+{
+ BlockJob *job = c->opaque;
+ GSList *l;
+
+ for (l = job->nodes; l; l = l->next) {
+ BdrvChild *sibling = l->data;
+ if (g_slist_find(*ignore, sibling)) {
+ continue;
+ }
+ *ignore = g_slist_prepend(*ignore, sibling);
+ bdrv_set_aio_context_ignore(sibling->bs, ctx, ignore);
+ }
+}
+
static const BdrvChildRole child_job = {
.get_parent_desc = child_job_get_parent_desc,
.drained_begin = child_job_drained_begin,
.drained_poll = child_job_drained_poll,
.drained_end = child_job_drained_end,
+ .can_set_aio_ctx = child_job_can_set_aio_ctx,
+ .set_aio_ctx = child_job_set_aio_ctx,
.stay_at_node = true,
};
@@ -440,6 +473,7 @@ void *block_job_create(const char *job_id, const BlockJobDriver *driver,
blk_add_aio_context_notifier(blk, block_job_attached_aio_context,
block_job_detach_aio_context, job);
+ blk_set_allow_aio_context_change(blk, true);
/* Only set speed when necessary to avoid NotSupported error */
if (speed != 0) {