Re: [Qemu-block] [Qemu-devel] [PATCH v2 4/5] block: Simplify use of BDRV_BLOCK_RAW

[Fam Zheng]

On Wed, 05/24 15:28, Eric Blake wrote:
> The lone caller that cares about a return of BDRV_BLOCK_RAW
> (namely, io.c:bdrv_co_get_block_status) completely replaces the
> return value, so there is no point in passing BDRV_BLOCK_DATA.
> 
> Signed-off-by: Eric Blake <address@hidden>
> 
> ---
> v2: fix subject, tweak commit message
> ---
>  block/commit.c     | 2 +-
>  block/mirror.c     | 2 +-
>  block/raw-format.c | 2 +-
>  block/vpc.c        | 2 +-
>  4 files changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/block/commit.c b/block/commit.c
> index 76a0d98..cf662ba 100644
> --- a/block/commit.c
> +++ b/block/commit.c
> @@ -239,7 +239,7 @@ static int64_t coroutine_fn 
> bdrv_commit_top_get_block_status(
>  {
>      *pnum = nb_sectors;
>      *file = bs->backing->bs;
> -    return BDRV_BLOCK_RAW | BDRV_BLOCK_OFFSET_VALID | BDRV_BLOCK_DATA |
> +    return BDRV_BLOCK_RAW | BDRV_BLOCK_OFFSET_VALID |
>             (sector_num << BDRV_SECTOR_BITS);
>  }
> 
> diff --git a/block/mirror.c b/block/mirror.c
> index 4563ba7..432d58d 100644
> --- a/block/mirror.c
> +++ b/block/mirror.c
> @@ -1046,7 +1046,7 @@ static int64_t coroutine_fn 
> bdrv_mirror_top_get_block_status(
>  {
>      *pnum = nb_sectors;
>      *file = bs->backing->bs;
> -    return BDRV_BLOCK_RAW | BDRV_BLOCK_OFFSET_VALID | BDRV_BLOCK_DATA |
> +    return BDRV_BLOCK_RAW | BDRV_BLOCK_OFFSET_VALID |
>             (sector_num << BDRV_SECTOR_BITS);
>  }
> 
> diff --git a/block/raw-format.c b/block/raw-format.c
> index 36e6503..1136eba 100644
> --- a/block/raw-format.c
> +++ b/block/raw-format.c
> @@ -259,7 +259,7 @@ static int64_t coroutine_fn 
> raw_co_get_block_status(BlockDriverState *bs,
>      *pnum = nb_sectors;
>      *file = bs->file->bs;
>      sector_num += s->offset / BDRV_SECTOR_SIZE;
> -    return BDRV_BLOCK_RAW | BDRV_BLOCK_OFFSET_VALID | BDRV_BLOCK_DATA |
> +    return BDRV_BLOCK_RAW | BDRV_BLOCK_OFFSET_VALID |
>             (sector_num << BDRV_SECTOR_BITS);
>  }
> 
> diff --git a/block/vpc.c b/block/vpc.c
> index ecfee77..048504b 100644
> --- a/block/vpc.c
> +++ b/block/vpc.c
> @@ -701,7 +701,7 @@ static int64_t coroutine_fn 
> vpc_co_get_block_status(BlockDriverState *bs,
>      if (be32_to_cpu(footer->type) == VHD_FIXED) {
>          *pnum = nb_sectors;
>          *file = bs->file->bs;
> -        return BDRV_BLOCK_RAW | BDRV_BLOCK_OFFSET_VALID | BDRV_BLOCK_DATA |
> +        return BDRV_BLOCK_RAW | BDRV_BLOCK_OFFSET_VALID |
>                 (sector_num << BDRV_SECTOR_BITS);
>      }
> 
> -- 
> 2.9.4
> 
> 

Reviewed-by: Fam Zheng <address@hidden>