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-rw-r--r--fs/partitions/check.c27
-rw-r--r--fs/partitions/devfs.c12
-rw-r--r--fs/partitions/ibm.c29
-rw-r--r--fs/partitions/mac.c3
4 files changed, 46 insertions, 25 deletions
diff --git a/fs/partitions/check.c b/fs/partitions/check.c
index f924f459bdb8..af0cb4b9e784 100644
--- a/fs/partitions/check.c
+++ b/fs/partitions/check.c
@@ -297,6 +297,25 @@ struct kobj_type ktype_part = {
.sysfs_ops = &part_sysfs_ops,
};
+static inline void partition_sysfs_add_subdir(struct hd_struct *p)
+{
+ struct kobject *k;
+
+ k = kobject_get(&p->kobj);
+ p->holder_dir = kobject_add_dir(k, "holders");
+ kobject_put(k);
+}
+
+static inline void disk_sysfs_add_subdirs(struct gendisk *disk)
+{
+ struct kobject *k;
+
+ k = kobject_get(&disk->kobj);
+ disk->holder_dir = kobject_add_dir(k, "holders");
+ disk->slave_dir = kobject_add_dir(k, "slaves");
+ kobject_put(k);
+}
+
void delete_partition(struct gendisk *disk, int part)
{
struct hd_struct *p = disk->part[part-1];
@@ -310,6 +329,8 @@ void delete_partition(struct gendisk *disk, int part)
p->ios[0] = p->ios[1] = 0;
p->sectors[0] = p->sectors[1] = 0;
devfs_remove("%s/part%d", disk->devfs_name, part);
+ if (p->holder_dir)
+ kobject_unregister(p->holder_dir);
kobject_unregister(&p->kobj);
}
@@ -337,6 +358,7 @@ void add_partition(struct gendisk *disk, int part, sector_t start, sector_t len)
p->kobj.parent = &disk->kobj;
p->kobj.ktype = &ktype_part;
kobject_register(&p->kobj);
+ partition_sysfs_add_subdir(p);
disk->part[part-1] = p;
}
@@ -383,6 +405,7 @@ void register_disk(struct gendisk *disk)
if ((err = kobject_add(&disk->kobj)))
return;
disk_sysfs_symlinks(disk);
+ disk_sysfs_add_subdirs(disk);
kobject_uevent(&disk->kobj, KOBJ_ADD);
/* No minors to use for partitions */
@@ -483,6 +506,10 @@ void del_gendisk(struct gendisk *disk)
devfs_remove_disk(disk);
+ if (disk->holder_dir)
+ kobject_unregister(disk->holder_dir);
+ if (disk->slave_dir)
+ kobject_unregister(disk->slave_dir);
if (disk->driverfs_dev) {
char *disk_name = make_block_name(disk);
sysfs_remove_link(&disk->kobj, "device");
diff --git a/fs/partitions/devfs.c b/fs/partitions/devfs.c
index 87f50444fd39..3f0a780c9cec 100644
--- a/fs/partitions/devfs.c
+++ b/fs/partitions/devfs.c
@@ -6,7 +6,7 @@
#include <linux/vmalloc.h>
#include <linux/genhd.h>
#include <linux/bitops.h>
-#include <asm/semaphore.h>
+#include <linux/mutex.h>
struct unique_numspace {
@@ -16,7 +16,7 @@ struct unique_numspace {
struct semaphore mutex;
};
-static DECLARE_MUTEX(numspace_mutex);
+static DEFINE_MUTEX(numspace_mutex);
static int expand_numspace(struct unique_numspace *s)
{
@@ -48,7 +48,7 @@ static int alloc_unique_number(struct unique_numspace *s)
{
int rval = 0;
- down(&numspace_mutex);
+ mutex_lock(&numspace_mutex);
if (s->num_free < 1)
rval = expand_numspace(s);
if (!rval) {
@@ -56,7 +56,7 @@ static int alloc_unique_number(struct unique_numspace *s)
--s->num_free;
__set_bit(rval, s->bits);
}
- up(&numspace_mutex);
+ mutex_unlock(&numspace_mutex);
return rval;
}
@@ -66,11 +66,11 @@ static void dealloc_unique_number(struct unique_numspace *s, int number)
int old_val;
if (number >= 0) {
- down(&numspace_mutex);
+ mutex_lock(&numspace_mutex);
old_val = __test_and_clear_bit(number, s->bits);
if (old_val)
++s->num_free;
- up(&numspace_mutex);
+ mutex_unlock(&numspace_mutex);
}
}
diff --git a/fs/partitions/ibm.c b/fs/partitions/ibm.c
index 1e4a93835fed..830c55d86ab1 100644
--- a/fs/partitions/ibm.c
+++ b/fs/partitions/ibm.c
@@ -1,15 +1,9 @@
/*
- * File...........: linux/fs/partitions/ibm.c
+ * File...........: linux/fs/partitions/ibm.c
* Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com>
* Volker Sameske <sameske@de.ibm.com>
* Bugreports.to..: <Linux390@de.ibm.com>
* (C) IBM Corporation, IBM Deutschland Entwicklung GmbH, 1999,2000
-
- * History of changes (starts July 2000)
- * 07/10/00 Fixed detection of CMS formatted disks
- * 02/13/00 VTOC partition support added
- * 12/27/01 fixed PL030593 (CMS reserved minidisk not detected on 64 bit)
- * 07/24/03 no longer using contents of freed page for CMS label recognition (BZ3611)
*/
#include <linux/config.h>
@@ -25,7 +19,7 @@
#include "ibm.h"
/*
- * compute the block number from a
+ * compute the block number from a
* cyl-cyl-head-head structure
*/
static inline int
@@ -34,9 +28,8 @@ cchh2blk (struct vtoc_cchh *ptr, struct hd_geometry *geo) {
ptr->hh * geo->sectors;
}
-
/*
- * compute the block number from a
+ * compute the block number from a
* cyl-cyl-head-head-block structure
*/
static inline int
@@ -48,7 +41,7 @@ cchhb2blk (struct vtoc_cchhb *ptr, struct hd_geometry *geo) {
/*
*/
-int
+int
ibm_partition(struct parsed_partitions *state, struct block_device *bdev)
{
int blocksize, offset, size;
@@ -77,7 +70,7 @@ ibm_partition(struct parsed_partitions *state, struct block_device *bdev)
goto out_nogeo;
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)
goto out_noioctl;
@@ -154,13 +147,13 @@ ibm_partition(struct parsed_partitions *state, struct block_device *bdev)
/* OK, we got valid partition data */
offset = cchh2blk(&f1.DS1EXT1.llimit, geo);
- size = cchh2blk(&f1.DS1EXT1.ulimit, geo) -
+ size = cchh2blk(&f1.DS1EXT1.ulimit, geo) -
offset + geo->sectors;
if (counter >= state->limit)
break;
- put_partition(state, counter + 1,
- offset * (blocksize >> 9),
- size * (blocksize >> 9));
+ put_partition(state, counter + 1,
+ offset * (blocksize >> 9),
+ size * (blocksize >> 9));
counter++;
blk++;
}
@@ -175,7 +168,7 @@ ibm_partition(struct parsed_partitions *state, struct block_device *bdev)
offset = (info->label_block + 1);
size = i_size >> 9;
put_partition(state, 1, offset*(blocksize >> 9),
- size-offset*(blocksize >> 9));
+ size-offset*(blocksize >> 9));
}
printk("\n");
@@ -183,7 +176,7 @@ ibm_partition(struct parsed_partitions *state, struct block_device *bdev)
kfree(geo);
kfree(info);
return 1;
-
+
out_readerr:
out_noioctl:
kfree(label);
diff --git a/fs/partitions/mac.c b/fs/partitions/mac.c
index bb22cdd0cb14..813292f21210 100644
--- a/fs/partitions/mac.c
+++ b/fs/partitions/mac.c
@@ -12,6 +12,7 @@
#include "mac.h"
#ifdef CONFIG_PPC_PMAC
+#include <asm/machdep.h>
extern void note_bootable_part(dev_t dev, int part, int goodness);
#endif
@@ -79,7 +80,7 @@ int mac_partition(struct parsed_partitions *state, struct block_device *bdev)
* If this is the first bootable partition, tell the
* setup code, in case it wants to make this the root.
*/
- if (_machine == _MACH_Pmac) {
+ if (machine_is(powermac)) {
int goodness = 0;
mac_fix_string(part->processor, 16);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-21 06:42:28 +0100