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[PATCH v2 06/11] block: implement .change_aio_ctx in child_of_bds


From: Emanuele Giuseppe Esposito
Subject: [PATCH v2 06/11] block: implement .change_aio_ctx in child_of_bds
Date: Mon, 25 Jul 2022 08:21:15 -0400

bdrv_child_cb_change_aio_ctx() is identical to
bdrv_child_cb_can_set_aio_ctx(), as we only need
to recursively go on the parent bs.

Note: bdrv_child_try_change_aio_context() is not called by
anyone at this point.

Reviewed-by: Hanna Reitz <hreitz@redhat.com>
Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
---
 block.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/block.c b/block.c
index 221bf90268..bcc9b0d099 100644
--- a/block.c
+++ b/block.c
@@ -1239,6 +1239,14 @@ static int bdrv_child_cb_inactivate(BdrvChild *child)
     return 0;
 }
 
+static bool bdrv_child_cb_change_aio_ctx(BdrvChild *child, AioContext *ctx,
+                                         GHashTable *visited, Transaction 
*tran,
+                                         Error **errp)
+{
+    BlockDriverState *bs = child->opaque;
+    return bdrv_change_aio_context(bs, ctx, visited, tran, errp);
+}
+
 static bool bdrv_child_cb_can_set_aio_ctx(BdrvChild *child, AioContext *ctx,
                                           GSList **ignore, Error **errp)
 {
@@ -1495,6 +1503,7 @@ const BdrvChildClass child_of_bds = {
     .inactivate      = bdrv_child_cb_inactivate,
     .can_set_aio_ctx = bdrv_child_cb_can_set_aio_ctx,
     .set_aio_ctx     = bdrv_child_cb_set_aio_ctx,
+    .change_aio_ctx  = bdrv_child_cb_change_aio_ctx,
     .update_filename = bdrv_child_cb_update_filename,
     .get_parent_aio_context = child_of_bds_get_parent_aio_context,
 };
-- 
2.31.1




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