On Tue, Jun 04, 2019 at 07:15:02PM +0300, Vladimir Sementsov-Ogievskiy wrote:
> Hi all!
>
> Here is new parameter qiov_offset for io path, to avoid
> a lot of places with same pattern of creating local_qiov or hd_qiov
> variables.
>
> These series also includes my
> "[Qemu-devel] [PATCH 0/2] block/io: refactor padding"
> with some changes [described in 01 and 03 emails]
>
> Vladimir Sementsov-Ogievskiy (12):
> util/iov: introduce qemu_iovec_init_extended
> util/iov: improve qemu_iovec_is_zero
> block/io: refactor padding
> block: define .*_part io handlers in BlockDriver
> block/io: bdrv_co_do_copy_on_readv: use and support qiov_offset
> block/io: bdrv_co_do_copy_on_readv: lazy allocation
> block/io: bdrv_aligned_preadv: use and support qiov_offset
> block/io: bdrv_aligned_pwritev: use and support qiov_offset
> block/io: introduce bdrv_co_p{read,write}v_part
> block/qcow2: refactor qcow2_co_preadv to use buffer-based io
> block/qcow2: implement .bdrv_co_preadv_part
> block/qcow2: implement .bdrv_co_pwritev(_compressed)_part
>
> block/qcow2.h | 1 +
> include/block/block_int.h | 21 ++
> include/qemu/iov.h | 10 +-
> block/backup.c | 2 +-
> block/io.c | 532 ++++++++++++++++++++++----------------
> block/qcow2-cluster.c | 14 +-
> block/qcow2.c | 131 +++++-----
> qemu-img.c | 4 +-
> util/iov.c | 153 +++++++++--
> 9 files changed, 559 insertions(+), 309 deletions(-)qemu-iotests 077 fails after I apply this series (including your uninitialized variable fix). I'm afraid I can't include it in the block pull request, sorry! Stefan
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