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[Qemu-devel] [PATCH v8 00/11] qemu-img convert with copy offloading
From: |
Fam Zheng |
Subject: |
[Qemu-devel] [PATCH v8 00/11] qemu-img convert with copy offloading |
Date: |
Fri, 1 Jun 2018 14:28:38 +0800 |
v8: Fix compiling against new glibc and libiscsi on Fedora 28 where v7 had
conflict definitions. [Stefan, myself]
- Add HAVE_COPY_FILE_RANGE in configure.
- Drop IDENT_DESCR_TGT_DESCR from scsi constants header.
v7: Fix qcow2.
v6: Pick up rev-by from Stefan and Eric.
Tweak patch 2 commit message.
v5: - Fix raw offset/bytes check for read. [Eric]
- Fix qcow2_handle_l2meta. [Stefan]
- Add coroutine_fn whereever appropriate. [Stefan]
v4: - Fix raw offset and size. [Eric]
- iscsi: Drop unnecessary return values and variables in favor of
constants. [Stefan]
- qcow2: Handle small backing case. [Stefan]
- file-posix: Translate ENOSYS to ENOTSUP. [Stefan]
- API documentation and commit message. [Stefan]
- Add rev-by to patches 3, 5 - 10. [Stefan, Eric]
This series introduces block layer API for copy offloading and makes use of it
in qemu-img convert.
For now we implemented the operation in local file protocol with
copy_file_range(2). Besides that it's possible to add similar to iscsi, nfs
and potentially more.
As far as its usage goes, in addition to qemu-img convert, we can emulate
offloading in scsi-disk (handle EXTENDED COPY command), and use the API in
block jobs too.
Fam Zheng (11):
docker: Update fedora image to 28
block: Introduce API for copy offloading
raw: Check byte range uniformly
raw: Implement copy offloading
qcow2: Implement copy offloading
file-posix: Implement bdrv_co_copy_range
iscsi: Query and save device designator when opening
iscsi: Create and use iscsi_co_wait_for_task
iscsi: Implement copy offloading
block-backend: Add blk_co_copy_range
qemu-img: Convert with copy offloading
block/block-backend.c | 18 ++
block/file-posix.c | 98 +++++++-
block/io.c | 97 ++++++++
block/iscsi.c | 314 ++++++++++++++++++++++---
block/qcow2.c | 229 +++++++++++++++---
block/raw-format.c | 96 ++++++--
configure | 17 ++
include/block/block.h | 32 +++
include/block/block_int.h | 38 +++
include/block/raw-aio.h | 10 +-
include/scsi/constants.h | 4 +
include/sysemu/block-backend.h | 4 +
qemu-img.c | 50 +++-
tests/docker/dockerfiles/fedora.docker | 2 +-
14 files changed, 909 insertions(+), 100 deletions(-)
--
2.17.0
- [Qemu-devel] [PATCH v8 00/11] qemu-img convert with copy offloading,
Fam Zheng <=
- [Qemu-devel] [PATCH v8 01/11] docker: Update fedora image to 28, Fam Zheng, 2018/06/01
- [Qemu-devel] [PATCH v8 02/11] block: Introduce API for copy offloading, Fam Zheng, 2018/06/01
- [Qemu-devel] [PATCH v8 03/11] raw: Check byte range uniformly, Fam Zheng, 2018/06/01
- [Qemu-devel] [PATCH v8 04/11] raw: Implement copy offloading, Fam Zheng, 2018/06/01
- [Qemu-devel] [PATCH v8 05/11] qcow2: Implement copy offloading, Fam Zheng, 2018/06/01
- [Qemu-devel] [PATCH v8 06/11] file-posix: Implement bdrv_co_copy_range, Fam Zheng, 2018/06/01
- [Qemu-devel] [PATCH v8 07/11] iscsi: Query and save device designator when opening, Fam Zheng, 2018/06/01
- [Qemu-devel] [PATCH v8 08/11] iscsi: Create and use iscsi_co_wait_for_task, Fam Zheng, 2018/06/01