[sheepdog] [PATCH v3 06/17] block/io: support int64_t bytes in bdrv_aligned_pwritev()

[Alberto Garcia]

On Thu 30 Apr 2020 01:10:22 PM CEST, Vladimir Sementsov-Ogievskiy wrote:
> We are generally moving to int64_t for both offset and bytes parameters
> on all io paths.
>
> Main motivation is realization of 64-bit write_zeroes operation for
> fast zeroing large disk chunks, up to the whole disk.
>
> We chose signed type, to be consistent with off_t (which is signed) and
> with possibility for signed return type (where negative value means
> error).
>
> So, prepare bdrv_aligned_pwritev() now and convert the dependencies:
> bdrv_co_write_req_prepare() and bdrv_co_write_req_finish() to signed
> type bytes.
>
> Series: 64bit-block-status
> Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov at virtuozzo.com>

Reviewed-by: Alberto Garcia <berto at igalia.com>

Berto