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-rw-r--r--fs/partitions/Kconfig2
-rw-r--r--fs/partitions/check.c33
-rw-r--r--fs/partitions/ibm.c30
3 files changed, 44 insertions, 21 deletions
diff --git a/fs/partitions/Kconfig b/fs/partitions/Kconfig
index 656bc43431b..e227a04261a 100644
--- a/fs/partitions/Kconfig
+++ b/fs/partitions/Kconfig
@@ -85,7 +85,7 @@ config ATARI_PARTITION
config IBM_PARTITION
bool "IBM disk label and partition support"
- depends on PARTITION_ADVANCED && ARCH_S390
+ depends on PARTITION_ADVANCED && S390
help
Say Y here if you would like to be able to read the hard disk
partition table format used by IBM DASD disks operating under CMS.
diff --git a/fs/partitions/check.c b/fs/partitions/check.c
index 8dc1822a702..7881ce05dae 100644
--- a/fs/partitions/check.c
+++ b/fs/partitions/check.c
@@ -226,7 +226,7 @@ static struct sysfs_ops part_sysfs_ops = {
static ssize_t part_uevent_store(struct hd_struct * p,
const char *page, size_t count)
{
- kobject_hotplug(&p->kobj, KOBJ_ADD);
+ kobject_uevent(&p->kobj, KOBJ_ADD);
return count;
}
static ssize_t part_dev_read(struct hd_struct * p, char *page)
@@ -336,12 +336,31 @@ void add_partition(struct gendisk *disk, int part, sector_t start, sector_t len)
disk->part[part-1] = p;
}
+static char *make_block_name(struct gendisk *disk)
+{
+ char *name;
+ static char *block_str = "block:";
+ int size;
+
+ size = strlen(block_str) + strlen(disk->disk_name) + 1;
+ name = kmalloc(size, GFP_KERNEL);
+ if (!name)
+ return NULL;
+ strcpy(name, block_str);
+ strcat(name, disk->disk_name);
+ return name;
+}
+
static void disk_sysfs_symlinks(struct gendisk *disk)
{
struct device *target = get_device(disk->driverfs_dev);
if (target) {
+ char *disk_name = make_block_name(disk);
sysfs_create_link(&disk->kobj,&target->kobj,"device");
- sysfs_create_link(&target->kobj,&disk->kobj,"block");
+ if (disk_name) {
+ sysfs_create_link(&target->kobj,&disk->kobj,disk_name);
+ kfree(disk_name);
+ }
}
}
@@ -360,7 +379,7 @@ void register_disk(struct gendisk *disk)
if ((err = kobject_add(&disk->kobj)))
return;
disk_sysfs_symlinks(disk);
- kobject_hotplug(&disk->kobj, KOBJ_ADD);
+ kobject_uevent(&disk->kobj, KOBJ_ADD);
/* No minors to use for partitions */
if (disk->minors == 1) {
@@ -461,10 +480,14 @@ void del_gendisk(struct gendisk *disk)
devfs_remove_disk(disk);
if (disk->driverfs_dev) {
+ char *disk_name = make_block_name(disk);
sysfs_remove_link(&disk->kobj, "device");
- sysfs_remove_link(&disk->driverfs_dev->kobj, "block");
+ if (disk_name) {
+ sysfs_remove_link(&disk->driverfs_dev->kobj, disk_name);
+ kfree(disk_name);
+ }
put_device(disk->driverfs_dev);
}
- kobject_hotplug(&disk->kobj, KOBJ_REMOVE);
+ kobject_uevent(&disk->kobj, KOBJ_REMOVE);
kobject_del(&disk->kobj);
}
diff --git a/fs/partitions/ibm.c b/fs/partitions/ibm.c
index 6327bcb2d73..78010ad60e4 100644
--- a/fs/partitions/ibm.c
+++ b/fs/partitions/ibm.c
@@ -56,7 +56,10 @@ ibm_partition(struct parsed_partitions *state, struct block_device *bdev)
struct hd_geometry *geo;
char type[5] = {0,};
char name[7] = {0,};
- struct vtoc_volume_label *vlabel;
+ union label_t {
+ struct vtoc_volume_label vol;
+ struct vtoc_cms_label cms;
+ } *label;
unsigned char *data;
Sector sect;
@@ -64,9 +67,8 @@ ibm_partition(struct parsed_partitions *state, struct block_device *bdev)
goto out_noinfo;
if ((geo = kmalloc(sizeof(struct hd_geometry), GFP_KERNEL)) == NULL)
goto out_nogeo;
- if ((vlabel = kmalloc(sizeof(struct vtoc_volume_label),
- GFP_KERNEL)) == NULL)
- goto out_novlab;
+ if ((label = kmalloc(sizeof(union label_t), GFP_KERNEL)) == NULL)
+ goto out_nolab;
if (ioctl_by_bdev(bdev, BIODASDINFO, (unsigned long)info) != 0 ||
ioctl_by_bdev(bdev, HDIO_GETGEO, (unsigned long)geo) != 0)
@@ -87,7 +89,7 @@ ibm_partition(struct parsed_partitions *state, struct block_device *bdev)
strncpy(name, data + 8, 6);
else
strncpy(name, data + 4, 6);
- memcpy (vlabel, data, sizeof(struct vtoc_volume_label));
+ memcpy(label, data, sizeof(union label_t));
put_dev_sector(sect);
EBCASC(type, 4);
@@ -100,14 +102,12 @@ ibm_partition(struct parsed_partitions *state, struct block_device *bdev)
/*
* VM style CMS1 labeled disk
*/
- int *label = (int *) vlabel;
-
- if (label[13] != 0) {
+ if (label->cms.disk_offset != 0) {
printk("CMS1/%8s(MDSK):", name);
/* disk is reserved minidisk */
- blocksize = label[3];
- offset = label[13];
- size = (label[7] - 1)*(blocksize >> 9);
+ blocksize = label->cms.block_size;
+ offset = label->cms.disk_offset;
+ size = (label->cms.block_count - 1) * (blocksize >> 9);
} else {
printk("CMS1/%8s:", name);
offset = (info->label_block + 1);
@@ -126,7 +126,7 @@ ibm_partition(struct parsed_partitions *state, struct block_device *bdev)
printk("VOL1/%8s:", name);
/* get block number and read then go through format1 labels */
- blk = cchhb2blk(&vlabel->vtoc, geo) + 1;
+ blk = cchhb2blk(&label->vol.vtoc, geo) + 1;
counter = 0;
while ((data = read_dev_sector(bdev, blk*(blocksize/512),
&sect)) != NULL) {
@@ -174,7 +174,7 @@ ibm_partition(struct parsed_partitions *state, struct block_device *bdev)
}
printk("\n");
- kfree(vlabel);
+ kfree(label);
kfree(geo);
kfree(info);
return 1;
@@ -182,8 +182,8 @@ ibm_partition(struct parsed_partitions *state, struct block_device *bdev)
out_readerr:
out_badsect:
out_noioctl:
- kfree(vlabel);
-out_novlab:
+ kfree(label);
+out_nolab:
kfree(geo);
out_nogeo:
kfree(info);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-20 05:15:20 +0000