From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:36598) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fPnXg-0007pi-Ag for qemu-devel@nongnu.org; Mon, 04 Jun 2018 07:20:53 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fPnXf-0001QW-FZ for qemu-devel@nongnu.org; Mon, 04 Jun 2018 07:20:52 -0400 From: Stefan Hajnoczi Date: Mon, 4 Jun 2018 12:20:28 +0100 Message-Id: <20180604112036.2715-4-stefanha@redhat.com> In-Reply-To: <20180604112036.2715-1-stefanha@redhat.com> References: <20180604112036.2715-1-stefanha@redhat.com> Subject: [Qemu-devel] [PULL 03/11] raw: Implement copy offloading List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Ronnie Sahlberg , Peter Maydell , qemu-block@nongnu.org, Peter Lieven , Max Reitz , Paolo Bonzini , Kevin Wolf , Fam Zheng , Stefan Hajnoczi From: Fam Zheng Just pass down to ->file. Signed-off-by: Fam Zheng Reviewed-by: Stefan Hajnoczi Message-id: 20180601092648.24614-4-famz@redhat.com Signed-off-by: Stefan Hajnoczi --- block/raw-format.c | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) diff --git a/block/raw-format.c b/block/raw-format.c index b69a0674b3..f2e468df6f 100644 --- a/block/raw-format.c +++ b/block/raw-format.c @@ -497,6 +497,36 @@ static int raw_probe_geometry(BlockDriverState *bs, HDGeometry *geo) return bdrv_probe_geometry(bs->file->bs, geo); } +static int coroutine_fn raw_co_copy_range_from(BlockDriverState *bs, + BdrvChild *src, uint64_t src_offset, + BdrvChild *dst, uint64_t dst_offset, + uint64_t bytes, BdrvRequestFlags flags) +{ + int ret; + + ret = raw_adjust_offset(bs, &src_offset, bytes, false); + if (ret) { + return ret; + } + return bdrv_co_copy_range_from(bs->file, src_offset, dst, dst_offset, + bytes, flags); +} + +static int coroutine_fn raw_co_copy_range_to(BlockDriverState *bs, + BdrvChild *src, uint64_t src_offset, + BdrvChild *dst, uint64_t dst_offset, + uint64_t bytes, BdrvRequestFlags flags) +{ + int ret; + + ret = raw_adjust_offset(bs, &dst_offset, bytes, true); + if (ret) { + return ret; + } + return bdrv_co_copy_range_to(src, src_offset, bs->file, dst_offset, bytes, + flags); +} + BlockDriver bdrv_raw = { .format_name = "raw", .instance_size = sizeof(BDRVRawState), @@ -513,6 +543,8 @@ BlockDriver bdrv_raw = { .bdrv_co_pwrite_zeroes = &raw_co_pwrite_zeroes, .bdrv_co_pdiscard = &raw_co_pdiscard, .bdrv_co_block_status = &raw_co_block_status, + .bdrv_co_copy_range_from = &raw_co_copy_range_from, + .bdrv_co_copy_range_to = &raw_co_copy_range_to, .bdrv_truncate = &raw_truncate, .bdrv_getlength = &raw_getlength, .has_variable_length = true, -- 2.17.1