From: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
To: Stefan Hajnoczi <stefanha@redhat.com>
Cc: "fam@euphon.net" <fam@euphon.net>,
"kwolf@redhat.com" <kwolf@redhat.com>,
Denis Lunev <den@virtuozzo.com>,
"qemu-block@nongnu.org" <qemu-block@nongnu.org>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
"mreitz@redhat.com" <mreitz@redhat.com>,
"jsnow@redhat.com" <jsnow@redhat.com>
Subject: Re: [Qemu-devel] [PATCH v2 00/12] block: qiov_offset parameter for io
Date: Mon, 29 Jul 2019 15:34:17 +0000 [thread overview]
Message-ID: <c2c182d8-eddb-91d5-48a4-73631e7868ab@virtuozzo.com> (raw)
In-Reply-To: <20190729152400.GB21033@stefanha-x1.localdomain>
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
>
Thanks! Than I can base my further work on parallelizing qcow2
read/write loops on it, great! (long ago v1 was
[PATCH 0/7] qcow2: async handling of fragmented io)
--
Best regards,
Vladimir
next prev parent reply other threads:[~2019-07-29 15:35 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-04 16:15 [Qemu-devel] [PATCH v2 00/12] block: qiov_offset parameter for io Vladimir Sementsov-Ogievskiy
2019-06-04 16:15 ` [Qemu-devel] [PATCH v2 01/12] util/iov: introduce qemu_iovec_init_extended Vladimir Sementsov-Ogievskiy
2019-06-05 11:54 ` Vladimir Sementsov-Ogievskiy
2019-06-04 16:15 ` [Qemu-devel] [PATCH v2 02/12] util/iov: improve qemu_iovec_is_zero Vladimir Sementsov-Ogievskiy
2019-06-04 16:15 ` [Qemu-devel] [PATCH v2 03/12] block/io: refactor padding Vladimir Sementsov-Ogievskiy
2019-06-04 16:15 ` [Qemu-devel] [PATCH v2 04/12] block: define .*_part io handlers in BlockDriver Vladimir Sementsov-Ogievskiy
2019-06-04 16:15 ` [Qemu-devel] [PATCH v2 05/12] block/io: bdrv_co_do_copy_on_readv: use and support qiov_offset Vladimir Sementsov-Ogievskiy
2019-06-04 16:15 ` [Qemu-devel] [PATCH v2 06/12] block/io: bdrv_co_do_copy_on_readv: lazy allocation Vladimir Sementsov-Ogievskiy
2019-06-04 16:15 ` [Qemu-devel] [PATCH v2 07/12] block/io: bdrv_aligned_preadv: use and support qiov_offset Vladimir Sementsov-Ogievskiy
2019-06-04 16:15 ` [Qemu-devel] [PATCH v2 08/12] block/io: bdrv_aligned_pwritev: " Vladimir Sementsov-Ogievskiy
2019-06-04 16:15 ` [Qemu-devel] [PATCH v2 09/12] block/io: introduce bdrv_co_p{read, write}v_part Vladimir Sementsov-Ogievskiy
2019-06-04 16:15 ` [Qemu-devel] [PATCH v2 10/12] block/qcow2: refactor qcow2_co_preadv to use buffer-based io Vladimir Sementsov-Ogievskiy
2019-06-04 16:15 ` [Qemu-devel] [PATCH v2 11/12] block/qcow2: implement .bdrv_co_preadv_part Vladimir Sementsov-Ogievskiy
2019-06-04 16:15 ` [Qemu-devel] [PATCH v2 12/12] block/qcow2: implement .bdrv_co_pwritev(_compressed)_part Vladimir Sementsov-Ogievskiy
2019-06-04 17:48 ` [Qemu-devel] [PATCH v2 00/12] block: qiov_offset parameter for io no-reply
2019-06-28 8:43 ` Stefan Hajnoczi
2019-07-25 8:28 ` Vladimir Sementsov-Ogievskiy
2019-07-29 15:24 ` Stefan Hajnoczi
2019-07-29 15:34 ` Vladimir Sementsov-Ogievskiy [this message]
2019-08-15 11:12 ` Vladimir Sementsov-Ogievskiy
2019-08-22 14:48 ` [Qemu-devel] [Qemu-block] " Stefan Hajnoczi
2019-08-22 15:50 ` [Qemu-devel] " Stefan Hajnoczi
2019-08-22 17:24 ` Vladimir Sementsov-Ogievskiy
2019-08-22 17:39 ` Vladimir Sementsov-Ogievskiy
2019-08-22 17:59 ` Vladimir Sementsov-Ogievskiy
2019-08-23 16:21 ` Stefan Hajnoczi
2019-08-24 10:15 ` Vladimir Sementsov-Ogievskiy
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