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[Qemu-block] [PATCH v8 04/11] raw: Implement copy offloading
From: |
Fam Zheng |
Subject: |
[Qemu-block] [PATCH v8 04/11] raw: Implement copy offloading |
Date: |
Fri, 1 Jun 2018 14:28:42 +0800 |
Just pass down to ->file.
Signed-off-by: Fam Zheng <address@hidden>
Reviewed-by: Stefan Hajnoczi <address@hidden>
---
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,
--
2.17.0
- [Qemu-block] [PATCH v8 00/11] qemu-img convert with copy offloading, Fam Zheng, 2018/06/01
- [Qemu-block] [PATCH v8 01/11] docker: Update fedora image to 28, Fam Zheng, 2018/06/01
- [Qemu-block] [PATCH v8 02/11] block: Introduce API for copy offloading, Fam Zheng, 2018/06/01
- [Qemu-block] [PATCH v8 03/11] raw: Check byte range uniformly, Fam Zheng, 2018/06/01
- [Qemu-block] [PATCH v8 04/11] raw: Implement copy offloading,
Fam Zheng <=
- [Qemu-block] [PATCH v8 05/11] qcow2: Implement copy offloading, Fam Zheng, 2018/06/01
- [Qemu-block] [PATCH v8 06/11] file-posix: Implement bdrv_co_copy_range, Fam Zheng, 2018/06/01
- [Qemu-block] [PATCH v8 07/11] iscsi: Query and save device designator when opening, Fam Zheng, 2018/06/01
- [Qemu-block] [PATCH v8 08/11] iscsi: Create and use iscsi_co_wait_for_task, Fam Zheng, 2018/06/01
- [Qemu-block] [PATCH v8 09/11] iscsi: Implement copy offloading, Fam Zheng, 2018/06/01
- [Qemu-block] [PATCH v8 10/11] block-backend: Add blk_co_copy_range, Fam Zheng, 2018/06/01
- [Qemu-block] [PATCH v8 11/11] qemu-img: Convert with copy offloading, Fam Zheng, 2018/06/01
- Re: [Qemu-block] [Qemu-devel] [PATCH v8 00/11] qemu-img convert with copy offloading, no-reply, 2018/06/01