From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:52453) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZljIO-0008Dl-NY for qemu-devel@nongnu.org; Mon, 12 Oct 2015 16:02:12 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZljIN-0000wg-TO for qemu-devel@nongnu.org; Mon, 12 Oct 2015 16:02:08 -0400 From: Max Reitz Date: Mon, 12 Oct 2015 22:00:25 +0200 Message-Id: <1444680042-13207-23-git-send-email-mreitz@redhat.com> In-Reply-To: <1444680042-13207-1-git-send-email-mreitz@redhat.com> References: <1444680042-13207-1-git-send-email-mreitz@redhat.com> Subject: [Qemu-devel] [PATCH v6 22/39] block: Add blk_insert_bs() List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-block@nongnu.org Cc: Kevin Wolf , Alberto Garcia , Markus Armbruster , qemu-devel@nongnu.org, Max Reitz , John Snow , Stefan Hajnoczi This function associates the given BlockDriverState with the given BlockBackend. Signed-off-by: Max Reitz --- block/block-backend.c | 11 +++++++++++ include/sysemu/block-backend.h | 1 + 2 files changed, 12 insertions(+) diff --git a/block/block-backend.c b/block/block-backend.c index a5c58c5..19fdaae 100644 --- a/block/block-backend.c +++ b/block/block-backend.c @@ -334,6 +334,17 @@ void blk_hide_on_behalf_of_hmp_drive_del(BlockBackend *blk) } /* + * Associates a new BlockDriverState with @blk. + */ +void blk_insert_bs(BlockBackend *blk, BlockDriverState *bs) +{ + assert(!blk->bs && !bs->blk); + bdrv_ref(bs); + blk->bs = bs; + bs->blk = blk; +} + +/* * Attach device model @dev to @blk. * Return 0 on success, -EBUSY when a device model is attached already. */ diff --git a/include/sysemu/block-backend.h b/include/sysemu/block-backend.h index 52e35a1..9306a52 100644 --- a/include/sysemu/block-backend.h +++ b/include/sysemu/block-backend.h @@ -72,6 +72,7 @@ BlockBackend *blk_by_name(const char *name); BlockBackend *blk_next(BlockBackend *blk); BlockDriverState *blk_bs(BlockBackend *blk); +void blk_insert_bs(BlockBackend *blk, BlockDriverState *bs); void blk_hide_on_behalf_of_hmp_drive_del(BlockBackend *blk); -- 2.6.1