From bab55417b10c95e6bff8cea315c315adfa009487 Mon Sep 17 00:00:00 2001 From: Cai Zhiyong Date: Wed, 11 Sep 2013 14:20:09 -0700 Subject: block: support embedded device command line partition 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 by absolute address of data on the block device. Users can easily change the partition. This code reference MTD partition, source "drivers/mtd/cmdlinepart.c" About the partition verbose reference "Documentation/block/cmdline-partition.txt" [akpm@linux-foundation.org: fix printk text] [yongjun_wei@trendmicro.com.cn: fix error return code in parse_parts()] Signed-off-by: Cai Zhiyong Cc: Karel Zak Cc: "Wanglin (Albert)" Cc: Marius Groeger Cc: David Woodhouse Cc: Jens Axboe Cc: Brian Norris Cc: Artem Bityutskiy Signed-off-by: Wei Yongjun Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- block/Kconfig | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'block/Kconfig') diff --git a/block/Kconfig b/block/Kconfig index a7e40a7c82142..7f38e40fee081 100644 --- a/block/Kconfig +++ b/block/Kconfig @@ -99,6 +99,12 @@ config BLK_DEV_THROTTLING See Documentation/cgroups/blkio-controller.txt for more information. +config CMDLINE_PARSER + bool "Block device command line partition parser" + default n + ---help--- + Parsing command line, get the partitions information. + menu "Partition Types" source "block/partitions/Kconfig" -- cgit v1.2.3