[U-Boot] [PATCH v7 9/9] GPT: provide commands to selectively rename partitions
Bin Meng
bmeng.cn at gmail.com
Mon Jun 26 01:52:42 UTC 2017
Hi
On Mon, Jun 26, 2017 at 7:43 AM, <alison at peloton-tech.com> wrote:
> From: Alison Chaiken <alison at peloton-tech.com>
>
> This patch provides support in u-boot for renaming GPT
> partitions. The renaming is accomplished via new 'gpt swap'
> and 'gpt rename' commands.
>
> The 'swap' mode returns an error if no matching partition names
> are found, or if the number of partitions with one name does not equal
> the number with the second name. The 'rename' variant always
> succeeds as long as a partition with the provided number exists.
>
> Rewriting the partition table has the side-effect that all partitions
> end up with "msftdata" flag set. The reason is that partition type
> PARTITION_BASIC_DATA_GUID is hard-coded in the gpt_fill_pte()
> function. This does not appear to cause any harm.
>
> Changes since v7:
>
> -- Removed several casts in create_gpt_partitions_list() and
> do_rename_gpt_parts() as suggested by Lothar Waßmann. The cast of
> gpt_part_info.name to char* is needed to silence a compiler
> warning.
>
> -- Substituted simple_strtol() for atoi() in do_gpt_rename_parts() as
> suggested by Tom Rini and Wolfgang Denk.
>
> -- Fixed bug in do_rename_gpt_parts() where 0 was returned as a valid
> number of partitions with which to continue.
>
> -- Added a comment to do_rename_gpt_parts() noting that the debug()
> string it optionally prints is useful as input to the pre-existing
> 'gpt write' and 'gpt verify' commands.
>
> -- Changed some -1 return values to -ENODEV and -EINVAL as suggested
> by Tom Rini.
>
Can you please remove the changelog from the commit message, instead
put it in the commit-notes section below ---?
>
> Signed-off-by: Alison Chaiken <alison at peloton-tech.com>
> ---
> cmd/Kconfig | 8 ++
> cmd/gpt.c | 239 +++++++++++++++++++++++++++++++++++++++++++++++++++++++--
> doc/README.gpt | 20 ++++-
> 3 files changed, 261 insertions(+), 6 deletions(-)
>
[snip]
Regards,
Bin
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