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-rw-r--r--block/ioctl.c2
-rw-r--r--fs/partitions/check.c15
-rw-r--r--fs/partitions/msdos.c2
-rw-r--r--fs/partitions/sgi.c2
-rw-r--r--fs/partitions/sun.c5
-rw-r--r--include/linux/genhd.h8
6 files changed, 26 insertions, 8 deletions
diff --git a/block/ioctl.c b/block/ioctl.c
index f6962b64660..e3f5eb9882c 100644
--- a/block/ioctl.c
+++ b/block/ioctl.c
@@ -61,7 +61,7 @@ static int blkpg_ioctl(struct block_device *bdev, struct blkpg_ioctl_arg __user
}
}
/* all seems OK */
- add_partition(disk, part, start, length);
+ add_partition(disk, part, start, length, ADDPART_FLAG_NONE);
mutex_unlock(&bdev->bd_mutex);
return 0;
case BLKPG_DEL_PARTITION:
diff --git a/fs/partitions/check.c b/fs/partitions/check.c
index 3d73d94d93a..ac32a2e8540 100644
--- a/fs/partitions/check.c
+++ b/fs/partitions/check.c
@@ -365,7 +365,7 @@ void delete_partition(struct gendisk *disk, int part)
kobject_put(&p->kobj);
}
-void add_partition(struct gendisk *disk, int part, sector_t start, sector_t len)
+void add_partition(struct gendisk *disk, int part, sector_t start, sector_t len, int flags)
{
struct hd_struct *p;
@@ -390,6 +390,15 @@ void add_partition(struct gendisk *disk, int part, sector_t start, sector_t len)
if (!disk->part_uevent_suppress)
kobject_uevent(&p->kobj, KOBJ_ADD);
sysfs_create_link(&p->kobj, &block_subsys.kset.kobj, "subsystem");
+ if (flags & ADDPART_FLAG_WHOLEDISK) {
+ static struct attribute addpartattr = {
+ .name = "whole_disk",
+ .mode = S_IRUSR | S_IRGRP | S_IROTH,
+ .owner = THIS_MODULE,
+ };
+
+ sysfs_create_file(&p->kobj, &addpartattr);
+ }
partition_sysfs_add_subdir(p);
disk->part[part-1] = p;
}
@@ -543,9 +552,9 @@ int rescan_partitions(struct gendisk *disk, struct block_device *bdev)
printk(" %s: p%d exceeds device capacity\n",
disk->disk_name, p);
}
- add_partition(disk, p, from, size);
+ add_partition(disk, p, from, size, state->parts[p].flags);
#ifdef CONFIG_BLK_DEV_MD
- if (state->parts[p].flags)
+ if (state->parts[p].flags & ADDPART_FLAG_RAID)
md_autodetect_dev(bdev->bd_dev+p);
#endif
}
diff --git a/fs/partitions/msdos.c b/fs/partitions/msdos.c
index 8c7af177781..d964d1f90de 100644
--- a/fs/partitions/msdos.c
+++ b/fs/partitions/msdos.c
@@ -155,7 +155,7 @@ parse_extended(struct parsed_partitions *state, struct block_device *bdev,
put_partition(state, state->next, next, size);
if (SYS_IND(p) == LINUX_RAID_PARTITION)
- state->parts[state->next].flags = 1;
+ state->parts[state->next].flags = ADDPART_FLAG_RAID;
loopct = 0;
if (++state->next == state->limit)
goto done;
diff --git a/fs/partitions/sgi.c b/fs/partitions/sgi.c
index 6fa4ff89510..ed5ac83fe83 100644
--- a/fs/partitions/sgi.c
+++ b/fs/partitions/sgi.c
@@ -72,7 +72,7 @@ int sgi_partition(struct parsed_partitions *state, struct block_device *bdev)
if (blocks) {
put_partition(state, slot, start, blocks);
if (be32_to_cpu(p->type) == LINUX_RAID_PARTITION)
- state->parts[slot].flags = 1;
+ state->parts[slot].flags = ADDPART_FLAG_RAID;
}
slot++;
}
diff --git a/fs/partitions/sun.c b/fs/partitions/sun.c
index 0a5927c806c..123f8b46c8b 100644
--- a/fs/partitions/sun.c
+++ b/fs/partitions/sun.c
@@ -80,8 +80,11 @@ int sun_partition(struct parsed_partitions *state, struct block_device *bdev)
num_sectors = be32_to_cpu(p->num_sectors);
if (num_sectors) {
put_partition(state, slot, st_sector, num_sectors);
+ state->parts[slot].flags = 0;
if (label->infos[i].id == LINUX_RAID_PARTITION)
- state->parts[slot].flags = 1;
+ state->parts[slot].flags |= ADDPART_FLAG_RAID;
+ if (label->infos[i].id == SUN_WHOLE_DISK)
+ state->parts[slot].flags |= ADDPART_FLAG_WHOLEDISK;
}
slot++;
}
diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index 0a022b2f63f..247734f7881 100644
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -20,6 +20,8 @@ enum {
LINUX_EXTENDED_PARTITION = 0x85,
WIN98_EXTENDED_PARTITION = 0x0f,
+ SUN_WHOLE_DISK = DOS_EXTENDED_PARTITION,
+
LINUX_SWAP_PARTITION = 0x82,
LINUX_RAID_PARTITION = 0xfd, /* autodetect RAID partition */
@@ -400,10 +402,14 @@ struct unixware_disklabel {
#ifdef __KERNEL__
+#define ADDPART_FLAG_NONE 0
+#define ADDPART_FLAG_RAID 1
+#define ADDPART_FLAG_WHOLEDISK 2
+
char *disk_name (struct gendisk *hd, int part, char *buf);
extern int rescan_partitions(struct gendisk *disk, struct block_device *bdev);
-extern void add_partition(struct gendisk *, int, sector_t, sector_t);
+extern void add_partition(struct gendisk *, int, sector_t, sector_t, int);
extern void delete_partition(struct gendisk *, int);
extern struct gendisk *alloc_disk_node(int minors, int node_id);