diff options
Diffstat (limited to 'fs/partitions/sun.c')
| -rw-r--r-- | fs/partitions/sun.c | 91 |
1 files changed, 0 insertions, 91 deletions
diff --git a/fs/partitions/sun.c b/fs/partitions/sun.c deleted file mode 100644 index abe91ca03ed..00000000000 --- a/fs/partitions/sun.c +++ /dev/null @@ -1,91 +0,0 @@ -/* - * fs/partitions/sun.c - * - * Code extracted from drivers/block/genhd.c - * - * Copyright (C) 1991-1998 Linus Torvalds - * Re-organised Feb 1998 Russell King - */ - -#include "check.h" -#include "sun.h" - -int sun_partition(struct parsed_partitions *state, struct block_device *bdev) -{ - int i; - __be16 csum; - int slot = 1; - __be16 *ush; - Sector sect; - struct sun_disklabel { - unsigned char info[128]; /* Informative text string */ - unsigned char spare0[14]; - struct sun_info { - unsigned char spare1; - unsigned char id; - unsigned char spare2; - unsigned char flags; - } infos[8]; - unsigned char spare[246]; /* Boot information etc. */ - __be16 rspeed; /* Disk rotational speed */ - __be16 pcylcount; /* Physical cylinder count */ - __be16 sparecyl; /* extra sects per cylinder */ - unsigned char spare2[4]; /* More magic... */ - __be16 ilfact; /* Interleave factor */ - __be16 ncyl; /* Data cylinder count */ - __be16 nacyl; /* Alt. cylinder count */ - __be16 ntrks; /* Tracks per cylinder */ - __be16 nsect; /* Sectors per track */ - unsigned char spare3[4]; /* Even more magic... */ - struct sun_partition { - __be32 start_cylinder; - __be32 num_sectors; - } partitions[8]; - __be16 magic; /* Magic number */ - __be16 csum; /* Label xor'd checksum */ - } * label; - struct sun_partition *p; - unsigned long spc; - char b[BDEVNAME_SIZE]; - - label = (struct sun_disklabel *)read_dev_sector(bdev, 0, §); - if (!label) - return -1; - - p = label->partitions; - if (be16_to_cpu(label->magic) != SUN_LABEL_MAGIC) { -/* printk(KERN_INFO "Dev %s Sun disklabel: bad magic %04x\n", - bdevname(bdev, b), be16_to_cpu(label->magic)); */ - put_dev_sector(sect); - return 0; - } - /* Look at the checksum */ - ush = ((__be16 *) (label+1)) - 1; - for (csum = 0; ush >= ((__be16 *) label);) - csum ^= *ush--; - if (csum) { - printk("Dev %s Sun disklabel: Csum bad, label corrupted\n", - bdevname(bdev, b)); - put_dev_sector(sect); - return 0; - } - - /* All Sun disks have 8 partition entries */ - spc = be16_to_cpu(label->ntrks) * be16_to_cpu(label->nsect); - for (i = 0; i < 8; i++, p++) { - unsigned long st_sector; - int num_sectors; - - st_sector = be32_to_cpu(p->start_cylinder) * spc; - num_sectors = be32_to_cpu(p->num_sectors); - if (num_sectors) { - put_partition(state, slot, st_sector, num_sectors); - if (label->infos[i].id == LINUX_RAID_PARTITION) - state->parts[slot].flags = 1; - } - slot++; - } - printk("\n"); - put_dev_sector(sect); - return 1; -} |
