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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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5
drivers/scsi/scsi_debug.c
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@@ -38,6 +38,7 @@
#include <linux/hrtimer.h>
#include <linux/uuid.h>
#include <linux/t10-pi.h>
#include <linux/msdos_partition.h>
#include <net/checksum.h>
@@ -4146,7 +4147,7 @@ static int scsi_debug_host_reset(struct scsi_cmnd *SCpnt)
static void __init sdebug_build_parts(unsigned char *ramp,
unsigned long store_size)
{
struct partition *pp;
struct msdos_partition *pp;
int starts[SDEBUG_MAX_PARTS + 2];
int sectors_per_part, num_sectors, k;
int heads_by_sects, start_sec, end_sec;
@@ -4171,7 +4172,7 @@ static void __init sdebug_build_parts(unsigned char *ramp,
ramp[510] = 0x55; /* magic partition markings */
ramp[511] = 0xAA;
pp = (struct partition *)(ramp + 0x1be);
pp = (struct msdos_partition *)(ramp + 0x1be);
for (k = 0; starts[k + 1]; ++k, ++pp) {
start_sec = starts[k];
end_sec = starts[k + 1] - 1;