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| author | Cai Zhiyong <caizhiyong@huawei.com> | 2013-09-11 23:20:09 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-09-12 00:56:57 +0200 |
| commit | bab55417b10c95e6bff8cea315c315adfa009487 (patch) | |
| tree | 56bfc578d47c7ea786bf6a35bf946f37e9b458b1 /block/partitions/cmdline.h | |
| parent | block/blk-sysfs.c: replace strict_strtoul() with kstrtoul() (diff) | |
| download | linux-bab55417b10c95e6bff8cea315c315adfa009487.tar.xz linux-bab55417b10c95e6bff8cea315c315adfa009487.zip | |
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 <caizhiyong@huawei.com>
Cc: Karel Zak <kzak@redhat.com>
Cc: "Wanglin (Albert)" <albert.wanglin@huawei.com>
Cc: Marius Groeger <mag@sysgo.de>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Brian Norris <computersforpeace@gmail.com>
Cc: Artem Bityutskiy <dedekind@infradead.org>
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'block/partitions/cmdline.h')
| -rw-r--r-- | block/partitions/cmdline.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/block/partitions/cmdline.h b/block/partitions/cmdline.h new file mode 100644 index 000000000000..26e0f8da1414 --- /dev/null +++ b/block/partitions/cmdline.h @@ -0,0 +1,2 @@ + +int cmdline_partition(struct parsed_partitions *state); |