diff options
Diffstat (limited to 'block/partitions')
| -rw-r--r-- | block/partitions/core.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/block/partitions/core.c b/block/partitions/core.c index 6dc534b502a9..c5b47627210a 100644 --- a/block/partitions/core.c +++ b/block/partitions/core.c @@ -274,10 +274,10 @@ struct device_type part_type = { .uevent = part_uevent, }; -static void delete_partition_work_fn(struct work_struct *work) +static void hd_struct_free_work(struct work_struct *work) { - struct hd_struct *part = container_of(to_rcu_work(work), struct hd_struct, - rcu_work); + struct hd_struct *part = + container_of(to_rcu_work(work), struct hd_struct, rcu_work); part->start_sect = 0; part->nr_sects = 0; @@ -285,13 +285,21 @@ static void delete_partition_work_fn(struct work_struct *work) put_device(part_to_dev(part)); } -void __delete_partition(struct percpu_ref *ref) +static void hd_struct_free(struct percpu_ref *ref) { struct hd_struct *part = container_of(ref, struct hd_struct, ref); - INIT_RCU_WORK(&part->rcu_work, delete_partition_work_fn); + + INIT_RCU_WORK(&part->rcu_work, hd_struct_free_work); queue_rcu_work(system_wq, &part->rcu_work); } +int hd_ref_init(struct hd_struct *part) +{ + if (percpu_ref_init(&part->ref, hd_struct_free, 0, GFP_KERNEL)) + return -ENOMEM; + return 0; +} + /* * Must be called either with bd_mutex held, before a disk can be opened or * after all disk users are gone. |