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Re: [Qemu-block] [PATCH v9] qemu-img: add the 'dd' subcommand
From: |
Stefan Hajnoczi |
Subject: |
Re: [Qemu-block] [PATCH v9] qemu-img: add the 'dd' subcommand |
Date: |
Wed, 10 Aug 2016 10:45:57 +0100 |
User-agent: |
Mutt/1.6.2 (2016-07-01) |
On Wed, Aug 10, 2016 at 04:43:12AM +0200, Reda Sallahi wrote:
> This patch adds a basic dd subcommand analogous to dd(1) to qemu-img.
>
> For the start, this implements the bs, if, of and count options and requires
> both if and of to be specified (no stdin/stdout if not specified) and doesn't
> support tty, pipes, etc.
>
> The image format must be specified with -O for the output if the raw format
> is not the intended one.
>
> Two tests are added to test qemu-img dd.
>
> Signed-off-by: Reda Sallahi <address@hidden>
> ---
> Changes from v8:
> * Add an overflow check.
> Changes from v7:
> * Remove a C99-style for loop.
> Changes from v6:
> * Remove get_size() to use qemu_strtosz_suffix() instead.
> * Type changes for some fields in DdIo and DdInfo.
> Changes from v5:
> * Add dd sections on qemu-img.texi.
> Changes from v4:
> * Fix the exit status.
> Changes from v3:
> * Delete an unused (so far) field in DdIo.
> Changes from v2:
> * Add copyright headers to new files.
> Changes from v1:
> * Removal of dead code.
> * Fix a memory leak.
> * Complete the cleanup function in the test cases.
>
> qemu-img-cmds.hx | 6 +
> qemu-img.c | 303
> ++++++++++++++++++++++++++++++++++++++-
> qemu-img.texi | 25 ++++
> tests/qemu-iotests/158 | 67 +++++++++
> tests/qemu-iotests/158.out | 15 ++
> tests/qemu-iotests/159 | 70 +++++++++
> tests/qemu-iotests/159.out | 87 +++++++++++
> tests/qemu-iotests/common.filter | 9 ++
> tests/qemu-iotests/common.rc | 5 +-
> tests/qemu-iotests/group | 2 +
> 10 files changed, 584 insertions(+), 5 deletions(-)
> create mode 100755 tests/qemu-iotests/158
> create mode 100644 tests/qemu-iotests/158.out
> create mode 100755 tests/qemu-iotests/159
> create mode 100644 tests/qemu-iotests/159.out
Reviewed-by: Stefan Hajnoczi <address@hidden>
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