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(-) > > -- > 1.8.3.1 >
Reviewed-by: Stefan Hajnoczi <stefa...@redhat.com>
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