From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:55084) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZpfjF-0007xm-MJ for qemu-devel@nongnu.org; Fri, 23 Oct 2015 13:02:13 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZpfjE-0006q3-Rj for qemu-devel@nongnu.org; Fri, 23 Oct 2015 13:02:09 -0400 From: Kevin Wolf Date: Fri, 23 Oct 2015 19:01:09 +0200 Message-Id: <1445619684-18216-23-git-send-email-kwolf@redhat.com> In-Reply-To: <1445619684-18216-1-git-send-email-kwolf@redhat.com> References: <1445619684-18216-1-git-send-email-kwolf@redhat.com> Subject: [Qemu-devel] [PULL 22/37] block: Add blk_insert_bs() List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-block@nongnu.org Cc: kwolf@redhat.com, qemu-devel@nongnu.org From: Max Reitz This function associates the given BlockDriverState with the given BlockBackend. Signed-off-by: Max Reitz Reviewed-by: Kevin Wolf Signed-off-by: Kevin Wolf --- 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); -- 1.8.3.1