1 files changed, 48 insertions, 0 deletions

diff --git a/block/partitions/ultrix.c b/block/partitions/ultrix.c
new file mode 100644
index 000000000000..8dbaf9f77a99
--- /dev/null
+++ b/block/partitions/ultrix.c
@@ -0,0 +1,48 @@
+/*
+ *  fs/partitions/ultrix.c
+ *
+ *  Code extracted from drivers/block/genhd.c
+ *
+ *  Re-organised Jul 1999 Russell King
+ */
+
+#include "check.h"
+#include "ultrix.h"
+
+int ultrix_partition(struct parsed_partitions *state)
+{
+        int i;
+        Sector sect;
+        unsigned char *data;
+        struct ultrix_disklabel {
+                s32     pt_magic;       /* magic no. indicating part. info exits */
+                s32     pt_valid;       /* set by driver if pt is current */
+                struct  pt_info {
+                        s32             pi_nblocks; /* no. of sectors */
+                        u32             pi_blkoff;  /* block offset for start */
+                } pt_part[8];
+        } *label;
+
+#define PT_MAGIC        0x032957        /* Partition magic number */
+#define PT_VALID        1               /* Indicates if struct is valid */
+
+        data = read_part_sector(state, (16384 - sizeof(*label))/512, &sect);
+        if (!data)
+                return -1;
+        
+        label = (struct ultrix_disklabel *)(data + 512 - sizeof(*label));
+
+        if (label->pt_magic == PT_MAGIC && label->pt_valid == PT_VALID) {
+                for (i=0; i<8; i++)
+                        if (label->pt_part[i].pi_nblocks)
+                                put_partition(state, i+1, 
+                                              label->pt_part[i].pi_blkoff,
+                                              label->pt_part[i].pi_nblocks);
+                put_dev_sector(sect);
+                strlcat(state->pp_buf, "\n", PAGE_SIZE);
+                return 1;
+        } else {
+                put_dev_sector(sect);
+                return 0;
+        }
+}