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[Qemu-block] [RFC PATCH 7/8] block-backend: Add blk_co_copy_range
From: |
Fam Zheng |
Subject: |
[Qemu-block] [RFC PATCH 7/8] block-backend: Add blk_co_copy_range |
Date: |
Thu, 29 Mar 2018 19:09:13 +0800 |
It's a BlockBackend wrapper of bdrv_co_copy_range.
Signed-off-by: Fam Zheng <address@hidden>
---
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
- [Qemu-block] [RFC PATCH 0/8] qemu-img convert with copy offloading, Fam Zheng, 2018/03/29
- [Qemu-block] [RFC PATCH 1/8] block: Introduce bdrv_co_map_range API, Fam Zheng, 2018/03/29
- [Qemu-block] [RFC PATCH 2/8] qcow2: Implement bdrv_co_map_range, Fam Zheng, 2018/03/29
- [Qemu-block] [RFC PATCH 3/8] block: Introduce bdrv_co_copy_range, Fam Zheng, 2018/03/29
- [Qemu-block] [RFC PATCH 5/8] file-posix: Implement bdrv_co_map_range, Fam Zheng, 2018/03/29
- [Qemu-block] [RFC PATCH 4/8] file-posix: Implement bdrv_co_copy_range, Fam Zheng, 2018/03/29
- [Qemu-block] [RFC PATCH 6/8] raw: Implement raw_co_map_range, Fam Zheng, 2018/03/29
- [Qemu-block] [RFC PATCH 8/8] qemu-img: Convert with copy offloading, Fam Zheng, 2018/03/29
- [Qemu-block] [RFC PATCH 7/8] block-backend: Add blk_co_copy_range,
Fam Zheng <=
- Re: [Qemu-block] [Qemu-devel] [RFC PATCH 0/8] qemu-img convert with copy offloading, no-reply, 2018/03/31