[PATCH] Amiga partition fix

From: Thomas Richter
Date: Tue Sep 07 2004 - 11:01:30 EST



Hi,

what happened to Joanne Dow's patch to fix the recognition of
Amiga RDSK blocks? In case that got lost, here's the patch again:

/* snip */

--- amiga.c 2004-08-09 08:52:07.268123677 -0700
+++ amiga.c.orig 2004-08-09 08:51:31.527104456 -0700
@@ -31,7 +31,6 @@ amiga_partition(struct parsed_partitions
struct RigidDiskBlock *rdb;
struct PartitionBlock *pb;
int start_sect, nr_sects, blk, part, res = 0;
- int blksize = 1; /* Multiplier for disk block size */
int slot = 1;
char b[BDEVNAME_SIZE];

@@ -66,14 +65,10 @@ amiga_partition(struct parsed_partitions
bdevname(bdev, b), blk);
}

- /* blksize is blocks per 512 byte standard block */
- blksize = be32_to_cpu( rdb->rdb_BlockBytes ) / 512;
-
- printk(" RDSK (%d)", blksize * 512); /* Be more informative */
+ printk(" RDSK");
blk = be32_to_cpu(rdb->rdb_PartitionList);
put_dev_sector(sect);
for (part = 1; blk>0 && part<=16; part++, put_dev_sector(sect)) {
- blk *= blksize; /* Read in terms partition table understands */
data = read_dev_sector(bdev, blk, &sect);
if (!data) {
if (warn_no_part)
@@ -93,32 +88,13 @@ amiga_partition(struct parsed_partitions
nr_sects = (be32_to_cpu(pb->pb_Environment[10]) + 1 -
be32_to_cpu(pb->pb_Environment[9])) *
be32_to_cpu(pb->pb_Environment[3]) *
- be32_to_cpu(pb->pb_Environment[5]) *
- blksize;
+ be32_to_cpu(pb->pb_Environment[5]);
if (!nr_sects)
continue;
start_sect = be32_to_cpu(pb->pb_Environment[9]) *
be32_to_cpu(pb->pb_Environment[3]) *
- be32_to_cpu(pb->pb_Environment[5]) *
- blksize;
+ be32_to_cpu(pb->pb_Environment[5]);
put_partition(state,slot++,start_sect,nr_sects);
- {
- /* Be even more informative to aid mounting */
- char dostype[ 4 ];
- u32 *dt = (u32*) dostype;
- *dt = pb->pb_Environment[ 16 ];
- if ( dostype[ 3 ] < ' ')
- printk( " (%c%c%c^%c)",
- dostype[ 0 ], dostype[ 1 ],
- dostype[ 2 ], dostype[ 3 ] + '@' );
- else
- printk( " (%c%c%c%c)",
- dostype[ 0 ], dostype[ 1 ],
- dostype[ 2 ], dostype[ 3 ]);
- printk( "(res %d spb %d)",
- be32_to_cpu( pb->pb_Environment[ 6 ]),
- be32_to_cpu( pb->pb_Environment[ 4 ]));
- }
res = 1;
}
printk("\n");

/* snip */

So long,
Thomas

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