@@ -702,6 +702,8 @@ bool bdrv_child_can_set_aio_context(BdrvChild *c, AioContext *ctx,
GSList **ignore, Error **errp);
bool bdrv_can_set_aio_context(BlockDriverState *bs, AioContext *ctx,
GSList **ignore, Error **errp);
+AioContext *bdrv_child_get_parent_aio_context(BdrvChild *c);
+
int bdrv_probe_blocksizes(BlockDriverState *bs, BlockSizes *bsz);
int bdrv_probe_geometry(BlockDriverState *bs, HDGeometry *geo);
@@ -789,6 +789,8 @@ struct BdrvChildClass {
bool (*can_set_aio_ctx)(BdrvChild *child, AioContext *ctx,
GSList **ignore, Error **errp);
void (*set_aio_ctx)(BdrvChild *child, AioContext *ctx, GSList **ignore);
+
+ AioContext *(*get_parent_aio_context)(BdrvChild *child);
};
extern const BdrvChildClass child_of_bds;
@@ -1360,6 +1360,13 @@ static int bdrv_child_cb_update_filename(BdrvChild *c, BlockDriverState *base,
return 0;
}
+static AioContext *bdrv_child_cb_get_parent_aio_context(BdrvChild *c)
+{
+ BlockDriverState *bs = c->opaque;
+
+ return bdrv_get_aio_context(bs);
+}
+
const BdrvChildClass child_of_bds = {
.parent_is_bds = true,
.get_parent_desc = bdrv_child_get_parent_desc,
@@ -1373,8 +1380,14 @@ const BdrvChildClass child_of_bds = {
.can_set_aio_ctx = bdrv_child_cb_can_set_aio_ctx,
.set_aio_ctx = bdrv_child_cb_set_aio_ctx,
.update_filename = bdrv_child_cb_update_filename,
+ .get_parent_aio_context = bdrv_child_cb_get_parent_aio_context,
};
+AioContext *bdrv_child_get_parent_aio_context(BdrvChild *c)
+{
+ return c->klass->get_parent_aio_context(c);
+}
+
static int bdrv_open_flags(BlockDriverState *bs, int flags)
{
int open_flags = flags;
@@ -298,6 +298,13 @@ static void blk_root_detach(BdrvChild *child)
}
}
+static AioContext *blk_root_get_parent_aio_context(BdrvChild *c)
+{
+ BlockBackend *blk = c->opaque;
+
+ return blk_get_aio_context(blk);
+}
+
static const BdrvChildClass child_root = {
.inherit_options = blk_root_inherit_options,
@@ -318,6 +325,8 @@ static const BdrvChildClass child_root = {
.can_set_aio_ctx = blk_root_can_set_aio_ctx,
.set_aio_ctx = blk_root_set_aio_ctx,
+
+ .get_parent_aio_context = blk_root_get_parent_aio_context,
};
/*
@@ -163,6 +163,13 @@ static void child_job_set_aio_ctx(BdrvChild *c, AioContext *ctx,
job->job.aio_context = ctx;
}
+static AioContext *child_job_get_parent_aio_context(BdrvChild *c)
+{
+ BlockJob *job = c->opaque;
+
+ return job->job.aio_context;
+}
+
static const BdrvChildClass child_job = {
.get_parent_desc = child_job_get_parent_desc,
.drained_begin = child_job_drained_begin,
@@ -171,6 +178,7 @@ static const BdrvChildClass child_job = {
.can_set_aio_ctx = child_job_can_set_aio_ctx,
.set_aio_ctx = child_job_set_aio_ctx,
.stay_at_node = true,
+ .get_parent_aio_context = child_job_get_parent_aio_context,
};
void block_job_remove_all_bdrv(BlockJob *job)
Add new handler to get aio context and implement it in all child classes. Add corresponding public interface to be used soon. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> --- include/block/block.h | 2 ++ include/block/block_int.h | 2 ++ block.c | 13 +++++++++++++ block/block-backend.c | 9 +++++++++ blockjob.c | 8 ++++++++ 5 files changed, 34 insertions(+)