On Fri, Jun 01, 2018 at 05:26:38PM +0800, Fam Zheng wrote: > v9: Don't break older libiscsi. [patchew] > > 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 (10): > 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 +++++- > 13 files changed, 908 insertions(+), 99 deletions(-) > > -- > 2.17.0 > >
Thanks, applied to my block tree: https://github.com/stefanha/qemu/commits/block Stefan
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