From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:38402) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1atf6m-0003Hk-0z for qemu-devel@nongnu.org; Fri, 22 Apr 2016 13:43:12 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1atf6l-0006bk-8U for qemu-devel@nongnu.org; Fri, 22 Apr 2016 13:43:11 -0400 From: Kevin Wolf Date: Fri, 22 Apr 2016 19:42:37 +0200 Message-Id: <1461346962-4676-9-git-send-email-kwolf@redhat.com> In-Reply-To: <1461346962-4676-1-git-send-email-kwolf@redhat.com> References: <1461346962-4676-1-git-send-email-kwolf@redhat.com> Subject: [Qemu-devel] [PATCH v2 08/13] block: Introduce BdrvChild.opaque List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-block@nongnu.org Cc: kwolf@redhat.com, pbonzini@redhat.com, berto@igalia.com, mreitz@redhat.com, eblake@redhat.com, stefanha@redhat.com, qemu-devel@nongnu.org BlockBackends use it to get a back pointer from BdrvChild to BlockBackend in any BdrvChildRole callbacks. Signed-off-by: Kevin Wolf --- block/block-backend.c | 2 ++ include/block/block_int.h | 1 + 2 files changed, 3 insertions(+) diff --git a/block/block-backend.c b/block/block-backend.c index 7d49d99..b72a73d 100644 --- a/block/block-backend.c +++ b/block/block-backend.c @@ -133,6 +133,7 @@ BlockBackend *blk_new_with_bs(Error **errp) bs = bdrv_new_root(); blk->root = bdrv_root_attach_child(bs, "root", &child_root); + blk->root->opaque = blk; bs->blk = blk; return blk; } @@ -458,6 +459,7 @@ void blk_insert_bs(BlockBackend *blk, BlockDriverState *bs) assert(!blk->root && !bs->blk); bdrv_ref(bs); blk->root = bdrv_root_attach_child(bs, "root", &child_root); + blk->root->opaque = blk; bs->blk = blk; notifier_list_notify(&blk->insert_bs_notifiers, blk); diff --git a/include/block/block_int.h b/include/block/block_int.h index 8f37279..ddadb7f 100644 --- a/include/block/block_int.h +++ b/include/block/block_int.h @@ -370,6 +370,7 @@ struct BdrvChild { BlockDriverState *bs; char *name; const BdrvChildRole *role; + void *opaque; QLIST_ENTRY(BdrvChild) next; QLIST_ENTRY(BdrvChild) next_parent; }; -- 1.8.3.1