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-rw-r--r--fs/partitions/check.c43
1 files changed, 35 insertions, 8 deletions
diff --git a/fs/partitions/check.c b/fs/partitions/check.c
index af0cb4b9e78..45ae7dd3c65 100644
--- a/fs/partitions/check.c
+++ b/fs/partitions/check.c
@@ -331,7 +331,9 @@ void delete_partition(struct gendisk *disk, int part)
devfs_remove("%s/part%d", disk->devfs_name, part);
if (p->holder_dir)
kobject_unregister(p->holder_dir);
- kobject_unregister(&p->kobj);
+ kobject_uevent(&p->kobj, KOBJ_REMOVE);
+ kobject_del(&p->kobj);
+ kobject_put(&p->kobj);
}
void add_partition(struct gendisk *disk, int part, sector_t start, sector_t len)
@@ -357,7 +359,10 @@ void add_partition(struct gendisk *disk, int part, sector_t start, sector_t len)
snprintf(p->kobj.name,KOBJ_NAME_LEN,"%s%d",disk->kobj.name,part);
p->kobj.parent = &disk->kobj;
p->kobj.ktype = &ktype_part;
- kobject_register(&p->kobj);
+ kobject_init(&p->kobj);
+ kobject_add(&p->kobj);
+ if (!disk->part_uevent_suppress)
+ kobject_uevent(&p->kobj, KOBJ_ADD);
partition_sysfs_add_subdir(p);
disk->part[part-1] = p;
}
@@ -367,6 +372,7 @@ static char *make_block_name(struct gendisk *disk)
char *name;
static char *block_str = "block:";
int size;
+ char *s;
size = strlen(block_str) + strlen(disk->disk_name) + 1;
name = kmalloc(size, GFP_KERNEL);
@@ -374,6 +380,10 @@ static char *make_block_name(struct gendisk *disk)
return NULL;
strcpy(name, block_str);
strcat(name, disk->disk_name);
+ /* ewww... some of these buggers have / in name... */
+ s = strchr(name, '/');
+ if (s)
+ *s = '!';
return name;
}
@@ -395,6 +405,8 @@ void register_disk(struct gendisk *disk)
{
struct block_device *bdev;
char *s;
+ int i;
+ struct hd_struct *p;
int err;
strlcpy(disk->kobj.name,disk->disk_name,KOBJ_NAME_LEN);
@@ -406,13 +418,12 @@ void register_disk(struct gendisk *disk)
return;
disk_sysfs_symlinks(disk);
disk_sysfs_add_subdirs(disk);
- kobject_uevent(&disk->kobj, KOBJ_ADD);
/* No minors to use for partitions */
if (disk->minors == 1) {
if (disk->devfs_name[0] != '\0')
devfs_add_disk(disk);
- return;
+ goto exit;
}
/* always add handle for the whole disk */
@@ -420,16 +431,32 @@ void register_disk(struct gendisk *disk)
/* No such device (e.g., media were just removed) */
if (!get_capacity(disk))
- return;
+ goto exit;
bdev = bdget_disk(disk, 0);
if (!bdev)
- return;
+ goto exit;
+ /* scan partition table, but suppress uevents */
bdev->bd_invalidated = 1;
- if (blkdev_get(bdev, FMODE_READ, 0) < 0)
- return;
+ disk->part_uevent_suppress = 1;
+ err = blkdev_get(bdev, FMODE_READ, 0);
+ disk->part_uevent_suppress = 0;
+ if (err < 0)
+ goto exit;
blkdev_put(bdev);
+
+exit:
+ /* announce disk after possible partitions are already created */
+ kobject_uevent(&disk->kobj, KOBJ_ADD);
+
+ /* announce possible partitions */
+ for (i = 1; i < disk->minors; i++) {
+ p = disk->part[i-1];
+ if (!p || !p->nr_sects)
+ continue;
+ kobject_uevent(&p->kobj, KOBJ_ADD);
+ }
}
int rescan_partitions(struct gendisk *disk, struct block_device *bdev)