From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:50540) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aOUOP-0002kI-6A for qemu-devel@nongnu.org; Wed, 27 Jan 2016 13:00:34 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aOUOO-0002dc-3k for qemu-devel@nongnu.org; Wed, 27 Jan 2016 13:00:33 -0500 From: Max Reitz Date: Wed, 27 Jan 2016 18:59:55 +0100 Message-Id: <1453917600-2663-12-git-send-email-mreitz@redhat.com> In-Reply-To: <1453917600-2663-1-git-send-email-mreitz@redhat.com> References: <1453917600-2663-1-git-send-email-mreitz@redhat.com> Subject: [Qemu-devel] [PATCH v8 11/16] block: Add list of all BlockDriverStates List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-block@nongnu.org Cc: Kevin Wolf , Fam Zheng , qemu-devel@nongnu.org, Max Reitz , Paolo Bonzini , Alberto Garcia , John Snow We need this list so that bdrv_close_all() can keep track of which BDSs are still open after having removed the BDSs from all of the BBs and having released all monitor BDS references. Signed-off-by: Max Reitz Reviewed-by: Kevin Wolf Reviewed-by: Fam Zheng --- block.c | 7 +++++++ include/block/block_int.h | 2 ++ 2 files changed, 9 insertions(+) diff --git a/block.c b/block.c index be89e8f..f8dd4a3 100644 --- a/block.c +++ b/block.c @@ -79,6 +79,9 @@ struct BdrvStates bdrv_states = QTAILQ_HEAD_INITIALIZER(bdrv_states); static QTAILQ_HEAD(, BlockDriverState) graph_bdrv_states = QTAILQ_HEAD_INITIALIZER(graph_bdrv_states); +static QTAILQ_HEAD(, BlockDriverState) all_bdrv_states = + QTAILQ_HEAD_INITIALIZER(all_bdrv_states); + static QLIST_HEAD(, BlockDriver) bdrv_drivers = QLIST_HEAD_INITIALIZER(bdrv_drivers); @@ -267,6 +270,8 @@ BlockDriverState *bdrv_new(void) bs->refcnt = 1; bs->aio_context = qemu_get_aio_context(); + QTAILQ_INSERT_TAIL(&all_bdrv_states, bs, bs_list); + return bs; } @@ -2370,6 +2375,8 @@ static void bdrv_delete(BlockDriverState *bs) /* remove from list, if necessary */ bdrv_make_anon(bs); + QTAILQ_REMOVE(&all_bdrv_states, bs, bs_list); + g_free(bs); } diff --git a/include/block/block_int.h b/include/block/block_int.h index 8730cf6..1e4c518 100644 --- a/include/block/block_int.h +++ b/include/block/block_int.h @@ -443,6 +443,8 @@ struct BlockDriverState { QTAILQ_ENTRY(BlockDriverState) node_list; /* element of the list of "drives" the guest sees */ QTAILQ_ENTRY(BlockDriverState) device_list; + /* element of the list of all BlockDriverStates (all_bdrv_states) */ + QTAILQ_ENTRY(BlockDriverState) bs_list; QLIST_HEAD(, BdrvDirtyBitmap) dirty_bitmaps; int refcnt; -- 2.7.0