From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:54123) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aiOJV-0006iL-LZ for qemu-devel@nongnu.org; Tue, 22 Mar 2016 11:33:51 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aiOJR-0003jw-QX for qemu-devel@nongnu.org; Tue, 22 Mar 2016 11:33:45 -0400 From: Kevin Wolf Date: Tue, 22 Mar 2016 16:33:09 +0100 Message-Id: <1458660792-3035-10-git-send-email-kwolf@redhat.com> In-Reply-To: <1458660792-3035-1-git-send-email-kwolf@redhat.com> References: <1458660792-3035-1-git-send-email-kwolf@redhat.com> Subject: [Qemu-devel] [PATCH 09/12] 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, berto@igalia.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 2309672..d2bd268 100644 --- a/block/block-backend.c +++ b/block/block-backend.c @@ -132,6 +132,7 @@ 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; } @@ -457,6 +458,7 @@ 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 0cc38d5..1b3c310 100644 --- a/include/block/block_int.h +++ b/include/block/block_int.h @@ -364,6 +364,7 @@ struct BdrvChild { BlockDriverState *bs; char *name; const BdrvChildRole *role; + void *opaque; QLIST_ENTRY(BdrvChild) next; QLIST_ENTRY(BdrvChild) next_parent; }; -- 1.8.3.1