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block: change config option name for cmdline partition parsing

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Recently commit bab55417b1 ("block: support embedded device command
line partition") introduced CONFIG_CMDLINE_PARSER.  However, that name
is too generic and sounds like it enables/disables generic kernel boot
arg processing, when it really is block specific.

Before this option becomes a part of a full/final release, add the BLK_
prefix to it so that it is clear in absence of any other context that it
is block specific.

In addition, fix up the following less critical items:
 - help text was not really at all helpful.
 - index file for Documentation was not updated
 - add the new arg to Documentation/kernel-parameters.txt
 - clarify wording in source comments

Signed-off-by: Paul Gortmaker <[email protected]>
Cc: Jens Axboe <[email protected]>
Cc: Cai Zhiyong <[email protected]>
Cc: Wei Yongjun <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Paul Gortmaker 2013-09-30 13:45:19 -07:00 • committed by Linus Torvalds
commit 080506ad0a
7 changed files with 24 additions and 13 deletions
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4
block/partitions/Kconfig
View file

@ -263,7 +263,7 @@ config SYSV68_PARTITION
config CMDLINE_PARTITION
bool "Command line partition support" if PARTITION_ADVANCED
select CMDLINE_PARSER
select BLK_CMDLINE_PARSER
help
Say Y here if you would read the partitions table from bootargs.
Say Y here if you want to read the partition table from bootargs.
The format for the command line is just like mtdparts.

8
block/partitions/cmdline.c
View file

@ -2,15 +2,15 @@
* Copyright (C) 2013 HUAWEI
* Author: Cai Zhiyong <caizhiyong@huawei.com>
*
* Read block device partition table from command line.
* The partition used for fixed block device (eMMC) embedded device.
* It is no MBR, save storage space. Bootloader can be easily accessed
* Read block device partition table from the command line.
* Typically used for fixed block (eMMC) embedded devices.
* It has no MBR, so saves storage space. Bootloader can be easily accessed
* by absolute address of data on the block device.
* Users can easily change the partition.
*
* The format for the command line is just like mtdparts.
*
* Verbose config please reference "Documentation/block/cmdline-partition.txt"
* For further information, see "Documentation/block/cmdline-partition.txt"
*
*/