From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:60813) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1f1VRU-0001rj-JE for qemu-devel@nongnu.org; Thu, 29 Mar 2018 07:10:09 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1f1VRT-0003J3-Jr for qemu-devel@nongnu.org; Thu, 29 Mar 2018 07:10:04 -0400 From: Fam Zheng Date: Thu, 29 Mar 2018 19:09:13 +0800 Message-Id: <20180329110914.20888-8-famz@redhat.com> In-Reply-To: <20180329110914.20888-1-famz@redhat.com> References: <20180329110914.20888-1-famz@redhat.com> Subject: [Qemu-devel] [RFC PATCH 7/8] block-backend: Add blk_co_copy_range List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: qemu-block@nongnu.org, Fam Zheng , Kevin Wolf , Max Reitz , pbonzini@redhat.com, Stefan Hajnoczi , eblake@redhat.com It's a BlockBackend wrapper of bdrv_co_copy_range. Signed-off-by: Fam Zheng --- block/block-backend.c | 8 ++++++++ include/sysemu/block-backend.h | 4 ++++ 2 files changed, 12 insertions(+) diff --git a/block/block-backend.c b/block/block-backend.c index 681b240b12..54b0789282 100644 --- a/block/block-backend.c +++ b/block/block-backend.c @@ -2217,3 +2217,11 @@ void blk_unregister_buf(BlockBackend *blk, void *host) { bdrv_unregister_buf(blk_bs(blk), host); } + +int coroutine_fn blk_co_copy_range(BlockBackend *blk_in, int64_t off_in, + BlockBackend *blk_out, int64_t off_out, + int bytes) +{ + return bdrv_co_copy_range(blk_in->root, off_in, blk_out->root, off_out, + bytes); +} diff --git a/include/sysemu/block-backend.h b/include/sysemu/block-backend.h index 92ab624fac..1fde14b461 100644 --- a/include/sysemu/block-backend.h +++ b/include/sysemu/block-backend.h @@ -232,4 +232,8 @@ void blk_set_force_allow_inactivate(BlockBackend *blk); void blk_register_buf(BlockBackend *blk, void *host, size_t size); void blk_unregister_buf(BlockBackend *blk, void *host); +int blk_co_copy_range(BlockBackend *blk_in, int64_t off_in, + BlockBackend *blk_out, int64_t off_out, + int bytes); + #endif -- 2.14.3