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-rw-r--r--fs/partitions/check.c27
1 files changed, 25 insertions, 2 deletions
diff --git a/fs/partitions/check.c b/fs/partitions/check.c
index 7187a57d51e8..7881ce05daef 100644
--- a/fs/partitions/check.c
+++ b/fs/partitions/check.c
@@ -336,12 +336,31 @@ void add_partition(struct gendisk *disk, int part, sector_t start, sector_t len)
336 disk->part[part-1] = p; 336 disk->part[part-1] = p;
337} 337}
338 338
339static char *make_block_name(struct gendisk *disk)
340{
341 char *name;
342 static char *block_str = "block:";
343 int size;
344
345 size = strlen(block_str) + strlen(disk->disk_name) + 1;
346 name = kmalloc(size, GFP_KERNEL);
347 if (!name)
348 return NULL;
349 strcpy(name, block_str);
350 strcat(name, disk->disk_name);
351 return name;
352}
353
339static void disk_sysfs_symlinks(struct gendisk *disk) 354static void disk_sysfs_symlinks(struct gendisk *disk)
340{ 355{
341 struct device *target = get_device(disk->driverfs_dev); 356 struct device *target = get_device(disk->driverfs_dev);
342 if (target) { 357 if (target) {
358 char *disk_name = make_block_name(disk);
343 sysfs_create_link(&disk->kobj,&target->kobj,"device"); 359 sysfs_create_link(&disk->kobj,&target->kobj,"device");
344 sysfs_create_link(&target->kobj,&disk->kobj,"block"); 360 if (disk_name) {
361 sysfs_create_link(&target->kobj,&disk->kobj,disk_name);
362 kfree(disk_name);
363 }
345 } 364 }
346} 365}
347 366
@@ -461,8 +480,12 @@ void del_gendisk(struct gendisk *disk)
461 devfs_remove_disk(disk); 480 devfs_remove_disk(disk);
462 481
463 if (disk->driverfs_dev) { 482 if (disk->driverfs_dev) {
483 char *disk_name = make_block_name(disk);
464 sysfs_remove_link(&disk->kobj, "device"); 484 sysfs_remove_link(&disk->kobj, "device");
465 sysfs_remove_link(&disk->driverfs_dev->kobj, "block"); 485 if (disk_name) {
486 sysfs_remove_link(&disk->driverfs_dev->kobj, disk_name);
487 kfree(disk_name);
488 }
466 put_device(disk->driverfs_dev); 489 put_device(disk->driverfs_dev);
467 } 490 }
468 kobject_uevent(&disk->kobj, KOBJ_REMOVE); 491 kobject_uevent(&disk->kobj, KOBJ_REMOVE);