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Re: [Qemu-devel] [PATCH v2 0/6] block: Enable byte granularity I/O
From: |
Kevin Wolf |
Subject: |
Re: [Qemu-devel] [PATCH v2 0/6] block: Enable byte granularity I/O |
Date: |
Wed, 15 Jun 2016 12:33:51 +0200 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
Am 15.06.2016 um 11:02 hat Stefan Hajnoczi geschrieben:
> On Tue, Jun 14, 2016 at 03:32:29PM +0200, Kevin Wolf wrote:
> > Previous series have already converted some block drivers to byte-based
> > rather
> > than sector-based interfaces. However, the common I/O path as well as
> > raw-posix
> > still enforced a minimum alignment of 512 bytes because some sector-based
> > logic
> > was involved.
> >
> > This patch series removes these limitations and a sub-sector request
> > actually
> > ends up as a sub-sector syscall now.
> >
> > v2:
> > - Updated trace-events for bdrv_co_do_copy_on_readv() [Eric]
> > - Added some assertions [Eric]
> > - Renamed laio_submit_co() -> laio_co_submit() and added coroutine_fn
> > to its prototype [Stefan]
> > - linux-aio: Include block/block.h and use BDRV_SECTOR_SIZE instead
> > of 512 [Eric]
> >
> > Kevin Wolf (6):
> > block: Byte-based bdrv_co_do_copy_on_readv()
> > block: Prepare bdrv_aligned_preadv() for byte-aligned requests
> > block: Prepare bdrv_aligned_pwritev() for byte-aligned requests
> > raw-posix: Switch to bdrv_co_* interfaces
> > raw-posix: Implement .bdrv_co_preadv/pwritev
> > block: Don't enforce 512 byte minimum alignment
> >
> > block.c | 2 +-
> > block/io.c | 128
> > ++++++++++++++++++++++++++------------------------
> > block/linux-aio.c | 84 ++++++++++++++++++++++++---------
> > block/mirror.c | 10 ++--
> > block/raw-aio.h | 3 ++
> > block/raw-posix.c | 62 ++++++++++++------------
> > include/block/block.h | 10 ++--
> > trace-events | 2 +-
> > 8 files changed, 176 insertions(+), 125 deletions(-)
>
> Reviewed-by: Stefan Hajnoczi <address@hidden>
Thanks. Applied to my block branch.
Kevin
pgpXwOFkwQXCW.pgp
Description: PGP signature
- [Qemu-devel] [PATCH v2 0/6] block: Enable byte granularity I/O, Kevin Wolf, 2016/06/14
- [Qemu-devel] [PATCH v2 6/6] block: Don't enforce 512 byte minimum alignment, Kevin Wolf, 2016/06/14
- [Qemu-devel] [PATCH v2 1/6] block: Byte-based bdrv_co_do_copy_on_readv(), Kevin Wolf, 2016/06/14
- [Qemu-devel] [PATCH v2 5/6] raw-posix: Implement .bdrv_co_preadv/pwritev, Kevin Wolf, 2016/06/14
- [Qemu-devel] [PATCH v2 3/6] block: Prepare bdrv_aligned_pwritev() for byte-aligned requests, Kevin Wolf, 2016/06/14
- [Qemu-devel] [PATCH v2 4/6] raw-posix: Switch to bdrv_co_* interfaces, Kevin Wolf, 2016/06/14
- [Qemu-devel] [PATCH v2 2/6] block: Prepare bdrv_aligned_preadv() for byte-aligned requests, Kevin Wolf, 2016/06/14
- Re: [Qemu-devel] [PATCH v2 0/6] block: Enable byte granularity I/O, Stefan Hajnoczi, 2016/06/15
- Re: [Qemu-devel] [PATCH v2 0/6] block: Enable byte granularity I/O,
Kevin Wolf <=