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Re: [Qemu-devel] [Qemu-block] [PATCH] block/vhdx: Use IEC binary prefixe
From: |
John Snow |
Subject: |
Re: [Qemu-devel] [Qemu-block] [PATCH] block/vhdx: Use IEC binary prefixes from "qemu/units.h" |
Date: |
Mon, 25 Mar 2019 16:48:05 -0400 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.4.0 |
On 3/21/19 5:40 AM, Stefano Garzarella wrote:
> IEC binary prefixes are defined in "qemu/units.h", so we
> can remove redundant definitions in "block/vhdx.h".
>
> Signed-off-by: Stefano Garzarella <address@hidden>
> ---
> block/vhdx-log.c | 1 +
> block/vhdx.c | 4 +++-
> block/vhdx.h | 5 -----
> 3 files changed, 4 insertions(+), 6 deletions(-)
>
> diff --git a/block/vhdx-log.c b/block/vhdx-log.c
> index 3149ff08d8..ad9905eb6d 100644
> --- a/block/vhdx-log.c
> +++ b/block/vhdx-log.c
> @@ -18,6 +18,7 @@
> *
> */
> #include "qemu/osdep.h"
> +#include "qemu/units.h"
> #include "qapi/error.h"
> #include "qemu-common.h"
> #include "block/block_int.h"
> diff --git a/block/vhdx.c b/block/vhdx.c
> index b785aef4b7..e9b16c5ef6 100644
> --- a/block/vhdx.c
> +++ b/block/vhdx.c
> @@ -16,6 +16,7 @@
> */
>
> #include "qemu/osdep.h"
> +#include "qemu/units.h"
> #include "qapi/error.h"
> #include "block/block_int.h"
> #include "block/qdict.h"
> @@ -1889,7 +1890,8 @@ static int coroutine_fn
> vhdx_co_create(BlockdevCreateOptions *opts,
> return -EINVAL;
> }
> if (block_size > VHDX_BLOCK_SIZE_MAX) {
> - error_setg(errp, "Block size must not exceed %d",
> VHDX_BLOCK_SIZE_MAX);
> + error_setg(errp, "Block size must not exceed %" PRId64,
> + VHDX_BLOCK_SIZE_MAX);
Oh, changing the constants changes the inferred type of this constant,
correct?
> return -EINVAL;
> }
>
> diff --git a/block/vhdx.h b/block/vhdx.h
> index 1bfb4e4f73..deb6e362ad 100644
> --- a/block/vhdx.h
> +++ b/block/vhdx.h
> @@ -18,11 +18,6 @@
> #ifndef BLOCK_VHDX_H
> #define BLOCK_VHDX_H
>
> -#define KiB (1 * 1024)
> -#define MiB (KiB * 1024)
> -#define GiB (MiB * 1024)
> -#define TiB ((uint64_t) GiB * 1024)
> -
I'd include units.h here because there are other references to
KiB/MiB/GiB and so on throughout the rest of this header file.
I think it's bad form to have a header that cannot be included unless
you include other headers manually alongside it.
> #define DEFAULT_LOG_SIZE 1048576 /* 1MiB */
> /* Structures and fields present in the VHDX file */
>
>