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block: move struct partition out of genhd.h

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struct partition is the on-disk format of a MSDOS partition table entry.
Move it out of genhd.h into a new msdos_partition.h header and give it
a msdos_ prefix to avoid confusion.
Also move the magic number from block/partitions/msdos.h to the new
header so that it can be used by the SCSI drivers looking at the DOS
partition tables.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig
2020-03-24 08:25:26 +01:00
committed by Jens Axboe
parent cbb5cb3b29
commit 1442f76d43
9 changed files with 51 additions and 47 deletions
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3
drivers/scsi/scsicam.c
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@@ -17,6 +17,7 @@
#include <linux/genhd.h>
#include <linux/kernel.h>
#include <linux/blkdev.h>
#include <linux/msdos_partition.h>
#include <asm/unaligned.h>
#include <scsi/scsicam.h>
@@ -61,7 +62,7 @@ bool scsi_partsize(struct block_device *bdev, sector_t capacity, int geom[3])
{
int cyl, ext_cyl, end_head, end_cyl, end_sector;
unsigned int logical_end, physical_end, ext_physical_end;
struct partition *p, *largest = NULL;
struct msdos_partition *p, *largest = NULL;
void *buf;
int ret = false;