partition: DOS: Add parameter for the NT disk Signature
The NT disk Signature is a unique 32-bit value in the MBR allowing
to identify a MSDOS partitioned disk. The signature can be used to
specify the Linux rootfs.
This patch adds support for the NT disk Signature in the form of a
device parameter which can both be read and written.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
1 parent 5014bf0 commit b27af5cdf36c099b2c4f29e9b71252cc8d66e223
@Sascha Hauer Sascha Hauer authored on 4 Apr 2013
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common/partitions/dos.c