From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:47106) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ag8Pb-0007V8-3O for qemu-devel@nongnu.org; Wed, 16 Mar 2016 06:10:43 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ag8PX-0005gm-CM for qemu-devel@nongnu.org; Wed, 16 Mar 2016 06:10:43 -0400 From: Fam Zheng Date: Wed, 16 Mar 2016 18:10:16 +0800 Message-Id: <1458123018-18651-3-git-send-email-famz@redhat.com> In-Reply-To: <1458123018-18651-1-git-send-email-famz@redhat.com> References: <1458123018-18651-1-git-send-email-famz@redhat.com> Subject: [Qemu-devel] [PATCH 2/4] block-backend: Introduce blk_drained_begin/end List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Kevin Wolf , qemu-block@nongnu.org, "Michael S. Tsirkin" , tubo@linux.vnet.ibm.com, Stefan Hajnoczi , cornelia.huck@de.ibm.com, pbonzini@redhat.com, borntraeger@de.ibm.com They forward the call to bdrv_* counterparts. Signed-off-by: Fam Zheng --- block/block-backend.c | 14 ++++++++++++++ include/sysemu/block-backend.h | 2 ++ 2 files changed, 16 insertions(+) diff --git a/block/block-backend.c b/block/block-backend.c index 03e71b4..d686a63 100644 --- a/block/block-backend.c +++ b/block/block-backend.c @@ -891,6 +891,20 @@ void blk_drain(BlockBackend *blk) } } +void blk_drained_begin(BlockBackend *blk) +{ + if (blk->bs) { + bdrv_drained_begin(blk->bs); + } +} + +void blk_drained_end(BlockBackend *blk) +{ + if (blk->bs) { + bdrv_drained_end(blk->bs); + } +} + void blk_drain_all(void) { bdrv_drain_all(); diff --git a/include/sysemu/block-backend.h b/include/sysemu/block-backend.h index 00d69ba..2cd53d0 100644 --- a/include/sysemu/block-backend.h +++ b/include/sysemu/block-backend.h @@ -128,6 +128,8 @@ int blk_co_flush(BlockBackend *blk); int blk_flush(BlockBackend *blk); int blk_flush_all(void); void blk_drain(BlockBackend *blk); +void blk_drained_begin(BlockBackend *blk); +void blk_drained_end(BlockBackend *blk); void blk_drain_all(void); void blk_set_on_error(BlockBackend *blk, BlockdevOnError on_read_error, BlockdevOnError on_write_error); -- 2.4.3