On Thu, Aug 15, 2019 at 11:12:35AM +0000, Vladimir Sementsov-Ogievskiy wrote:
> 29.07.2019 18:24, Stefan Hajnoczi wrote:
> > 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(-)
> >>
> >> --
> >> 2.18.0
> >
> > Thanks, applied to my block tree:
> > https://github.com/stefanha/qemu/commits/block
> >
> > Stefan
> >
>
> Could you please squash this into 01:
>
> diff --git a/util/iov.c b/util/iov.c
> index 0ed75e764c..5059e10431 100644
> --- a/util/iov.c
> +++ b/util/iov.c
> @@ -422,7 +422,7 @@ void qemu_iovec_init_extended(
> void *tail_buf, size_t tail_len)
> {
> size_t mid_head, mid_tail;
> - int total_niov, mid_niov;
> + int total_niov, mid_niov = 0;
> struct iovec *p, *mid_iov;
>
> if (mid_len) {Done. Sending the pull request today. Stefan
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