From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:56390) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Z7mb1-00046M-Pe for qemu-devel@nongnu.org; Wed, 24 Jun 2015 11:28:16 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Z7mb0-0006Mo-O2 for qemu-devel@nongnu.org; Wed, 24 Jun 2015 11:28:15 -0400 Received: from mx1.redhat.com ([209.132.183.28]:50161) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Z7mb0-0006Mj-Ja for qemu-devel@nongnu.org; Wed, 24 Jun 2015 11:28:14 -0400 From: Stefan Hajnoczi Date: Wed, 24 Jun 2015 16:27:54 +0100 Message-Id: <1435159686-14817-4-git-send-email-stefanha@redhat.com> In-Reply-To: <1435159686-14817-1-git-send-email-stefanha@redhat.com> References: <1435159686-14817-1-git-send-email-stefanha@redhat.com> Subject: [Qemu-devel] [PULL 03/15] block-backend: Introduce blk_drain() List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Kevin Wolf , Peter Maydell , Alexander Yarygin , Christian Borntraeger , Stefan Hajnoczi , Cornelia Huck , Paolo Bonzini From: Alexander Yarygin This patch introduces the blk_drain() function which allows to replace blk_drain_all() when only one BlockDriverState needs to be drained. Cc: Christian Borntraeger Cc: Cornelia Huck Cc: Kevin Wolf Cc: Paolo Bonzini Cc: Stefan Hajnoczi Signed-off-by: Alexander Yarygin Reviewed-by: Paolo Bonzini Acked-by: Kevin Wolf Message-id: 1434537440-28236-2-git-send-email-yarygin@linux.vnet.ibm.com Signed-off-by: Stefan Hajnoczi --- block/block-backend.c | 5 +++++ include/sysemu/block-backend.h | 1 + 2 files changed, 6 insertions(+) diff --git a/block/block-backend.c b/block/block-backend.c index 93e46f3..aee8a12 100644 --- a/block/block-backend.c +++ b/block/block-backend.c @@ -700,6 +700,11 @@ int blk_flush_all(void) return bdrv_flush_all(); } +void blk_drain(BlockBackend *blk) +{ + bdrv_drain(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 b4a4d5e..8fc960f 100644 --- a/include/sysemu/block-backend.h +++ b/include/sysemu/block-backend.h @@ -118,6 +118,7 @@ int blk_co_discard(BlockBackend *blk, int64_t sector_num, int nb_sectors); int blk_co_flush(BlockBackend *blk); int blk_flush(BlockBackend *blk); int blk_flush_all(void); +void blk_drain(BlockBackend *blk); void blk_drain_all(void); BlockdevOnError blk_get_on_error(BlockBackend *blk, bool is_read); BlockErrorAction blk_get_error_action(BlockBackend *blk, bool is_read, -- 2.4.3