On Tue, Jan 27, 2004 at 10:32:13AM +0100, Sven Luther wrote:
> Seems ok for me. Also, i guess that there are other partition types,
> like the amiga partitition table the pegasos boxes mostly use, which has
> a 32bit identifier for partition types. I guess it is the task of the
> RAID code to have some per partition type checking for this RAID autodetect
> magic.
it's done in fs/partitions/. it could be made anything, as long as it's put
in the raid docs so people know.
here's a patch of mine for alpha, to give you an idea.
--
Tom Vier <tmv@comcast.net>
DSA Key ID 0xE6CB97DA
diff -urN linux-2.4.10-ac7-patched-build/fs/partitions/osf.c linux-2.4.10-ac7-patched-build-osf/fs/partitions/osf.c
--- linux-2.4.10-ac7-patched-build/fs/partitions/osf.c Sat Oct 6 13:25:48 2001
+++ linux-2.4.10-ac7-patched-build-osf/fs/partitions/osf.c Sat Oct 6 13:25:20 2001
@@ -7,6 +7,7 @@
* Re-organised Feb 1998 Russell King
*/
+#include <linux/config.h>
#include <linux/fs.h>
#include <linux/genhd.h>
#include <linux/kernel.h>
@@ -17,6 +18,10 @@
#include "check.h"
#include "osf.h"
+#if CONFIG_BLK_DEV_MD
+extern void md_autodetect_dev(kdev_t dev);
+#endif
+
int osf_partition(struct gendisk *hd, struct block_device *bdev,
unsigned long first_sector, int current_minor)
{
@@ -74,10 +79,16 @@
for (i = 0 ; i < le16_to_cpu(label->d_npartitions); i++, partition++) {
if ((current_minor & mask) == 0)
break;
- if (le32_to_cpu(partition->p_size))
- add_gd_partition(hd, current_minor,
- first_sector+le32_to_cpu(partition->p_offset),
- le32_to_cpu(partition->p_size));
+ if (le32_to_cpu(partition->p_size)) {
+ add_gd_partition(hd, current_minor,
+ first_sector+le32_to_cpu(partition->p_offset),
+ le32_to_cpu(partition->p_size));
+#if CONFIG_BLK_DEV_MD
+ if (partition->p_fstype == LINUX_RAID_PARTITION) {
+ md_autodetect_dev(MKDEV(hd->major,current_minor));
+ }
+#endif
+ }
current_minor++;
}
printk("\n");
