static struct class *uverbs_class;
-DEFINE_MUTEX(ib_uverbs_idr_mutex);
+DEFINE_SPINLOCK(ib_uverbs_idr_lock);
DEFINE_IDR(ib_uverbs_pd_idr);
DEFINE_IDR(ib_uverbs_mr_idr);
DEFINE_IDR(ib_uverbs_mw_idr);
struct ib_uverbs_device *dev =
container_of(ref, struct ib_uverbs_device, ref);
- kfree(dev);
+ complete(&dev->comp);
}
void ib_uverbs_release_ucq(struct ib_uverbs_file *file,
if (!context)
return 0;
- mutex_lock(&ib_uverbs_idr_mutex);
-
list_for_each_entry_safe(uobj, tmp, &context->ah_list, list) {
- struct ib_ah *ah = idr_find(&ib_uverbs_ah_idr, uobj->id);
- idr_remove(&ib_uverbs_ah_idr, uobj->id);
+ struct ib_ah *ah = uobj->object;
+
+ idr_remove_uobj(&ib_uverbs_ah_idr, uobj);
ib_destroy_ah(ah);
- list_del(&uobj->list);
kfree(uobj);
}
list_for_each_entry_safe(uobj, tmp, &context->qp_list, list) {
- struct ib_qp *qp = idr_find(&ib_uverbs_qp_idr, uobj->id);
+ struct ib_qp *qp = uobj->object;
struct ib_uqp_object *uqp =
container_of(uobj, struct ib_uqp_object, uevent.uobject);
- idr_remove(&ib_uverbs_qp_idr, uobj->id);
+
+ idr_remove_uobj(&ib_uverbs_qp_idr, uobj);
ib_uverbs_detach_umcast(qp, uqp);
ib_destroy_qp(qp);
- list_del(&uobj->list);
ib_uverbs_release_uevent(file, &uqp->uevent);
kfree(uqp);
}
list_for_each_entry_safe(uobj, tmp, &context->cq_list, list) {
- struct ib_cq *cq = idr_find(&ib_uverbs_cq_idr, uobj->id);
+ struct ib_cq *cq = uobj->object;
struct ib_uverbs_event_file *ev_file = cq->cq_context;
struct ib_ucq_object *ucq =
container_of(uobj, struct ib_ucq_object, uobject);
- idr_remove(&ib_uverbs_cq_idr, uobj->id);
+
+ idr_remove_uobj(&ib_uverbs_cq_idr, uobj);
ib_destroy_cq(cq);
- list_del(&uobj->list);
ib_uverbs_release_ucq(file, ev_file, ucq);
kfree(ucq);
}
list_for_each_entry_safe(uobj, tmp, &context->srq_list, list) {
- struct ib_srq *srq = idr_find(&ib_uverbs_srq_idr, uobj->id);
+ struct ib_srq *srq = uobj->object;
struct ib_uevent_object *uevent =
container_of(uobj, struct ib_uevent_object, uobject);
- idr_remove(&ib_uverbs_srq_idr, uobj->id);
+
+ idr_remove_uobj(&ib_uverbs_srq_idr, uobj);
ib_destroy_srq(srq);
- list_del(&uobj->list);
ib_uverbs_release_uevent(file, uevent);
kfree(uevent);
}
/* XXX Free MWs */
list_for_each_entry_safe(uobj, tmp, &context->mr_list, list) {
- struct ib_mr *mr = idr_find(&ib_uverbs_mr_idr, uobj->id);
+ struct ib_mr *mr = uobj->object;
struct ib_device *mrdev = mr->device;
struct ib_umem_object *memobj;
- idr_remove(&ib_uverbs_mr_idr, uobj->id);
+ idr_remove_uobj(&ib_uverbs_mr_idr, uobj);
ib_dereg_mr(mr);
memobj = container_of(uobj, struct ib_umem_object, uobject);
ib_umem_release_on_close(mrdev, &memobj->umem);
- list_del(&uobj->list);
kfree(memobj);
}
list_for_each_entry_safe(uobj, tmp, &context->pd_list, list) {
- struct ib_pd *pd = idr_find(&ib_uverbs_pd_idr, uobj->id);
- idr_remove(&ib_uverbs_pd_idr, uobj->id);
+ struct ib_pd *pd = uobj->object;
+
+ idr_remove_uobj(&ib_uverbs_pd_idr, uobj);
ib_dealloc_pd(pd);
- list_del(&uobj->list);
kfree(uobj);
}
- mutex_unlock(&ib_uverbs_idr_mutex);
-
return context->device->dealloc_ucontext(context);
}
* module reference.
*/
filp->f_op = fops_get(&uverbs_event_fops);
- filp->f_vfsmnt = mntget(uverbs_event_mnt);
- filp->f_dentry = dget(uverbs_event_mnt->mnt_root);
- filp->f_mapping = filp->f_dentry->d_inode->i_mapping;
+ filp->f_path.mnt = mntget(uverbs_event_mnt);
+ filp->f_path.dentry = dget(uverbs_event_mnt->mnt_root);
+ filp->f_mapping = filp->f_path.dentry->d_inode->i_mapping;
filp->f_flags = O_RDONLY;
filp->f_mode = FMODE_READ;
filp->private_data = ev_file;
return;
kref_init(&uverbs_dev->ref);
+ init_completion(&uverbs_dev->comp);
spin_lock(&map_lock);
uverbs_dev->devnum = find_first_zero_bit(dev_map, IB_UVERBS_MAX_DEVICES);
err:
kref_put(&uverbs_dev->ref, ib_uverbs_release_dev);
+ wait_for_completion(&uverbs_dev->comp);
+ kfree(uverbs_dev);
return;
}
spin_unlock(&map_lock);
clear_bit(uverbs_dev->devnum, dev_map);
+
kref_put(&uverbs_dev->ref, ib_uverbs_release_dev);
+ wait_for_completion(&uverbs_dev->comp);
+ kfree(uverbs_dev);
}
-static struct super_block *uverbs_event_get_sb(struct file_system_type *fs_type, int flags,
- const char *dev_name, void *data)
+static int uverbs_event_get_sb(struct file_system_type *fs_type, int flags,
+ const char *dev_name, void *data,
+ struct vfsmount *mnt)
{
return get_sb_pseudo(fs_type, "infinibandevent:", NULL,
- INFINIBANDEVENTFS_MAGIC);
+ INFINIBANDEVENTFS_MAGIC, mnt);
}
static struct file_system_type uverbs_event_fs = {